KR101043831B1 - RFID system - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an RFID system, and discloses a technique for remotely controlling a driving device by assigning an identification code to the driving device using an RFID device. The present invention includes an RFID device in which data read / write operation is performed according to a wireless signal applied from an antenna unit, and the RFID device is connected to an external driving device and a control signal generated by a wireless signal. And driving means for outputting a driving signal for controlling the driving device to the connection portion.

Description

RFID system {RFID system}

The present invention relates to an RFID system, and a technology for automatically identifying a thing by communicating with a reader by transmitting and receiving a radio signal.

Radio Frequency IDentification Tag Chip is a contactless automatic device that attaches an RFID tag to an object to be identified and automatically communicates with an RFID reader by transmitting and receiving using a wireless signal. It is a technology that provides an identification method. As RFID is used, it is possible to compensate for the disadvantages of the conventional automatic identification technology, barcode and optical character recognition technology.

Recently, RFID tags have been used in various cases, such as logistics management systems, user authentication systems, electronic money systems, transportation systems.

For example, in the logistics management system, cargo classification or inventory management is performed using an integrated circuit (IC) tag in which data is recorded instead of a delivery slip or a tag. In the user authentication system, admission management and the like are performed using an IC card that records personal information and the like.

Meanwhile, a nonvolatile ferroelectric memory may be used as a memory used for an RFID tag. In general, nonvolatile ferroelectric memory, or ferroelectric random access memory (FeRAM), has a data processing speed of about dynamic random access memory (DRAM) and is attracting attention as a next-generation memory device because of its characteristic that data is preserved even when the power is turned off. have.

The FeRAM is a device having a structure almost similar to that of a DRAM, and uses a ferroelectric capacitor as a memory device. Ferroelectrics have a high residual polarization characteristic, and as a result, the data is not erased even when the electric field is removed.

1 is a block diagram of a general RFID device.

The RFID device according to the related art includes an antenna unit 1, an analog unit 10, a digital unit 20, and a memory unit 30.

Here, the antenna unit 1 serves to receive a radio signal transmitted from an external RFID reader. The wireless signal received through the antenna unit 1 is input to the analog unit 10 through the antenna pads 11 and 12.

The analog unit 10 amplifies the input wireless signal to generate a power supply voltage VDD which is a driving voltage of the RFID tag. The operation command signal is detected from the input wireless signal, and the command signal CMD is output to the digital unit 20. In addition, the analog unit 10 senses the output voltage VDD and outputs a power-on reset signal POR and a clock CLK to the digital unit 20 for controlling the reset operation.

The digital unit 20 receives the power supply voltage VDD, the power-on reset signal POR, the clock CLK, and the command signal CMD from the analog unit 10, and outputs a response signal RP to the analog unit 10. The digital unit 20 also outputs the address ADD, input / output data I / O, control signal CTR, and clock CLK to the memory unit 30. In addition, the memory unit 30 reads / writes data using a memory element and stores the data.

Here, the RFID device uses a frequency of several bands, the characteristics of which vary depending on the frequency band. In general, the lower the frequency band, the slower the recognition speed, the RFID device operates in a short distance, and is less affected by the environment. On the contrary, the higher the frequency band, the faster the recognition speed and the longer the distance is affected by the environment.

The present invention has the following object.

First, an object of the present invention is to remotely control each driving device by assigning an identification code to the driving device using an RFID device.

Second, an ID code is assigned to each driving device by using an RFID device having a built-in sensor and an external sensor, and a separate output level can be set by sending a driving command to each RFID device separately using a radio signal. Its purpose is to.

Third, an ID code is assigned to each driving device by using an RFID device having an embedded micro controller unit (MCU) and an external MCU, and a driving command is separately transmitted to each RFID device by using a radio signal. The purpose is to set a separate output level.

Fourth, the handle value can be pre-assigned to a plurality of RFID devices by using a fixed handle mode, and the selection and control of each RFID device can be arbitrarily performed using the designated handle value to improve operation efficiency. The purpose is to make it.

According to an aspect of the present invention, there is provided an RFID system including an RFID device in which data read / write is performed according to a wireless signal applied from an antenna unit, and the RFID device includes a connection unit connected to an external driving device; And driving means for outputting a driving signal for controlling the driving apparatus to the connecting portion according to the control signals generated by the wireless signal, wherein the connecting portion includes an output pad connected to the driving apparatus through the connecting pin. do.

The present invention includes an RFID device in which data read / write operation is performed according to a wireless signal applied from an antenna unit, and the RFID device includes a connection unit connected to an external driving device; A sensor control block for converting the sensing value sensed by the sensing element into digital code data and outputting the digital code data; And driving means for outputting a driving signal for controlling the driving apparatus according to the digital code data to the connecting portion, wherein the connecting portion includes an output pad connected to the driving apparatus through the connecting pin.

In addition, the present invention is an RFID device that the read / write operation of the data in accordance with the radio signal applied from the antenna unit; And a sensor connected to the outside of the RFID device and outputting a value sensed through the sensing element to the RFID device, wherein the RFID device is connected to an external driving device; A sensor interface unit configured to receive a sensing signal applied from a sensor; And a driving means for outputting a driving signal for controlling the driving apparatus according to the output of the sensor interface unit, wherein the connecting portion includes an output pad connected to the driving apparatus through a connecting pin.

In addition, the present invention includes an RFID device that the read / write operation of the data in accordance with the radio signal applied from the antenna unit, the RFID device is connected to the external drive device; A microcontroller unit (MCU) control block for programming code data to change drive signals; And driving means for outputting a driving signal for controlling the driving device according to the output data of the microcontroller unit control block to the connecting part, wherein the connecting part includes an output pad connected to the driving device through the connecting pin. .

In addition, the present invention is an RFID device that the read / write operation of the data in accordance with the radio signal applied from the antenna unit; And a microcontroller unit (MCU) processor connected to the outside of the RFID device and configured to program code data to the RFID device, the RFID device comprising: a connection unit connected to an external driving device; A serial interface controller configured to receive code data applied from a microcontroller unit processor; And driving means for outputting a driving signal for controlling the driving apparatus according to the output of the serial interface controller to the connection unit.

In addition, the present invention includes an RFID device that the read / write operation of the data in accordance with the radio signal applied from the antenna unit, the RFID device is connected to the external drive device; Drive means for outputting a drive signal for controlling the drive device according to the control signals generated by the radio signal to the connecting portion; And a fixed handle mode control unit configured to output preset handle data to the RFID device in the fixed handle mode according to the command signal generated by the wireless signal.

The present invention has the following effects.

First, by using an RFID device to assign an identification code (ID) to the drive device, it is possible to remotely control each drive device.

Second, an ID code is assigned to each driving device by using an RFID device having an internal sensor and an external sensor, and a separate output level can be set by sending a driving command to each RFID device separately using a wireless signal. Make sure

Third, an ID code is assigned to each driving device by using an RFID device having an embedded micro controller unit (MCU) and an external MCU, and a driving command is separately transmitted to each RFID device by using a radio signal. To set a separate output level.

Fourth, the handle value can be pre-assigned to a plurality of RFID devices by using a fixed handle mode, and the selection and control of each RFID device can be arbitrarily performed using the designated handle value to improve operation efficiency. Make sure

In addition, the preferred embodiment of the present invention is for the purpose of illustration, those skilled in the art will be able to various modifications, changes, replacements and additions through the spirit and scope of the appended claims, such configuration changes, etc. It should be seen as belonging to a range.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram of a radio frequency identification (RFID) device according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). , A driving means 200, a power supply voltage applying pad P1, a ground voltage applying pad P2, and a plurality of output pads OP1 to OPn. Here, the driving means 200 includes a digital analog converter register (DAC) 210, a power register 220 and a digital analog converting driver 230.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs input / output data I / O (× m), a write enable signal WE, an output enable signal OE, and a chip enable signal CE to the DAC register 210. The operation signal ACT is output to 220.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage element and serves to read data stored in the storage element.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, in the present invention, since the power consumed by the driving means 200 is large, power is supplied to the inside of the RFID device through separate power supply voltage applying pads P1 and ground voltage applying pads P2.

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

3 is a detailed block diagram illustrating the DAC register 210 of FIG. 2.

The DAC register 210 includes an input / output buffer 211, a register controller 212, a plurality of nonvolatile registers R1 to Rm, and a register output unit 213.

The input / output buffer 211 buffers data I / O (× m) input / output between the DAC register 210 and the digital unit 140. The register control unit 212 outputs register control signals according to the write enable signal WE, the output enable signal OE, and the chip enable signal CE applied from the digital unit 140. The register controller 212 is reset according to the power-on reset signal POR applied from the power-on reset unit 120.

Here, the register control signals include a pull-up enable signal ENP, a write enable signal WEN, a cell plate signal CPL, and a pull-down enable signal ENN.

The plurality of nonvolatile registers R1 to Rm may include data D1, Db1 to Dm, according to the pull-up enable signal ENP, the write enable signal WEN, the cell plate signal CPL, and the pull-down enable signal ENN applied from the register controller 212. Output Dbm. The register output unit 213 controls the output data D1, Db1 to Dm, and Dbm of the registers R1 to Rm and outputs a plurality of drive control signals b1 to bm to the DAC driver 230.

4 is a detailed circuit diagram illustrating the nonvolatile registers R1 to Rm of FIG. 3.

The nonvolatile register R includes a pull-up part PU, a PMOS latch part PL, an input / output part I_O, a nonvolatile ferroelectric capacitor part NSC, an NMOS latch part NL, and a pull-down part PD.

Here, the pull-up unit PU includes a PMOS transistor PM1. The PMOS transistor PM1 is connected between the power supply voltage VCC applying terminal and the PMOS latch unit PL to receive a pull-up enable signal ENP through the gate terminal.

The PMOS latch unit PL includes PMOS transistors PM2 and PM3. The PMOS transistors PM2 and PM3 are connected between the PMOS transistors PM1 and the nodes ND1 and ND2 so that the gate terminals are cross coupled.

The input / output unit I_O includes NMOS transistors N1 and N2. Here, the NMOS transistor N1 is connected between the node ND1 and the data D input / output terminal, and the write enable signal WEN is applied through the gate terminal. In addition, the NMOS transistor N2 is connected between the node ND2 and the data Db input / output terminal, and the write enable signal WEN is applied through the gate terminal.

The nonvolatile ferroelectric capacitor unit NSC includes a plurality of nonvolatile ferroelectric capacitors FC1 to FC4. Here, the nonvolatile ferroelectric capacitors FC1 and FC2 are connected between the application terminal of the cell plate signal CPL and the nodes ND1 and ND2, respectively, and the nonvolatile ferroelectric capacitors FC3 and FC4 are respectively connected between the nodes ND1, ND2 and the ground voltage terminal.

The NMOS latch portion NL includes NMOS transistors N3 and N4. Here, the NMOS transistors N3 and N4 are connected between the NMOS transistor N5 and the nodes ND1 and ND2 so that the gate terminals are cross coupled.

The pull-down section PD includes an NMOS transistor N5. The NMOS transistor N5 is connected between the NMOS latch portion NL and the ground voltage terminal, and a pull-down enable signal ENN is applied through the gate terminal.

5 is an operation timing diagram of a nonvolatile register R during a power-on operation.

First, when the initial power-on power supply reaches the stable power supply voltage VCC level, the power-on reset signal POR is activated low. When the power-on reset signal POR transitions to a low voltage level, the cell plate signal CPL transitions to a high level. Therefore, the charge stored in the nonvolatile ferroelectric capacitors FC1 and FC2 causes a voltage difference at the nodes ND1 and ND2 across the cell by the capacitance load of the nonvolatile ferroelectric capacitors FC3 and FC4. At this time, the write enable signal WEN maintains a low voltage level.

Subsequently, when a sufficient voltage difference is generated across the nodes ND1 and ND2, the pull-up enable signal ENP is activated low to turn on the PMOS transistor PM1, and the pull-down enable signal ENN is activated high, so that the NMOS transistor N5 is turned on. It is on. As a result, the data of the nodes ND1 and ND2 across the cell are amplified by the PMOS latch unit PL and the NMOS latch unit NL.

Subsequently, when amplification of the data is completed, the cell plate signal CPL transitions back to low to recover high data of the nonvolatile ferroelectric capacitor FC1 or the nonvolatile ferroelectric capacitor FC2.

6 is an operation timing diagram for the nonvolatile register R in the program mode.

First, while the power-on reset signal POR maintains the low voltage level, the write enable signal WEN transitions to the high voltage level. Accordingly, the NMOS transistors N1 and N2 are turned on to input data D and Db to the nodes ND1 and ND2 across the cell.

At this time, the cell plate signal CPL transitions to a high level. After a predetermined time, the pull-up enable signal ENP transitions to a low voltage level, and the pull-down enable signal ENN transitions to a high voltage level. Accordingly, the voltage levels of the nodes ND1 and ND2 are stored in the nonvolatile ferroelectric capacitor unit NSC in a nonvolatile state.

7 is an operation flowchart of an RFID system according to the present invention.

First, when the power supply voltage VDD is applied from the power supply voltage application pad P1 and the ground voltage GND is applied from the ground voltage application pad P2, power is supplied to the entire RFID system (step S10). Then, the power-on reset signal POR The values of the nonvolatile registers R1 to Rm are automatically restored (step S11).

Then, the output state of the DAC driver 230 is determined by the initial set values of the restored nonvolatile registers R1 to Rm. That is, the levels of the output signals OUT1 to OUTn are determined by the plurality of drive control signals b1 to bm output from the DAC register 210. The power of the DAC driver 230 is controlled according to the state of the power register 220.

Subsequently, when a readout command is applied through the antenna unit ANT, the demodulator 110, and the digital unit 140, an ID code value stored in the memory unit 150 is output. That is, the value of the ID code output from the memory unit 150 is transmitted to the external reader through the digital unit 140, the modulator 100, and the antenna unit ANT. (Step S12) That is, a plurality of RFID devices If present, the ID code of each RFID device is checked to perform a control operation corresponding to the corresponding ID code.

Next, the DAC control command is applied to the corresponding RFID device using the designated ID code. (Step S13) That is, the DAC control command is transmitted through the antenna unit ANT, the demodulator 110, and the digital unit 140. Is applied to the register 210.

If the DAC control command corresponds to the power control command, the power register 220 is operated by the operation signal ACT to set the register value. (Step S14) Accordingly, the power register 220 is powered on and reset. A power on / off signal is output to the DAC driver 230 according to the signal POR and the operation signal ACT.

Thereafter, it is determined whether the DAC control command applied through the digital unit 140 is a DAC register 210 read command or a program command (step S15).

If the DAC control command is in the DAC register 210 read mode, the value of the DAC register 210 is read out (step S16). That is, the plurality of driving control signals b1 to bm stored in the DAC register 210 are read out. Will output the value. The register value output from the DAC register 210 is transmitted to an external reader through the digital unit 140, the modulator 100, and the antenna unit ANT.

On the other hand, when the DAC control command is in the DAC register 210 program mode, data is programmed in the DAC register 210 according to the control signals WE, OE, and CE (step S17). The register 210 is reset to change the values of the plurality of driving control signals b1 to bm.

Thereafter, the DAC register 210 outputs a plurality of driving control signals b1 to bm corresponding to the programmed value to the DAC driver 230. Then, the DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

8 is a configuration diagram illustrating an application device of the RFID system including the DAC register 210.

The antenna unit ANT is connected to the RFID device through the antenna pads PAD (+) and PAD (-). That is, the antenna unit ANT is connected to the input pin of the RFID device. In addition, the RFID device is connected to the driving device through a connection pin (PIN).

That is, the output signals OUT1 through OUTn output through the output pads OP1 to OPn of the DAC driver 230 are connected to the driving device through the connection pin PIN. The output pads OP1 to OPn are connected to an external driving device through a connection pin (PIN), and correspond to a connection part connecting the RFID device and the driving device to each other. Here, the driving device corresponds to a driving control device for controlling the operation of a light emitting diode (LED), a motor, a speaker, or the like.

In addition, the present invention includes an electrostatic discharge (ESD) circuit inside the RFID device. An electrostatic discharge (ESD) circuit is included in the RFID device and is connected to the driving device through the output pads OP1 to OPn and the connecting pin PIN.

9 is another embodiment of a radio frequency identification (RFID) device according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). , A driving means 200, a sensor control block 300, a power supply voltage application pad P1, a ground voltage application pad P2, and a plurality of output pads OP1 to OPn.

Herein, the driving means 200 includes a DAC register 210, a power supply register 220, and a DAC driver 230. The sensor control block 300 includes a sensing controller 310, a sensing unit 320, a sensing signal processor 330, and an analog digital converter (ADC) 340. The present invention is to embed the sensor control block 300 inside the RFID device.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs input / output data I / O (× m), a write enable signal WE, an output enable signal OE, and a chip enable signal CE to the DAC register 210. The operation signal ACT is output to 220. That is, the operation signal applied from the external reader is passed through the antenna unit ANT, the demodulation unit 110, and the digital unit 140 to the DAC by the write enable signal WE, the output enable signal OE, and the chip enable signal CE. It is applied to the register 210.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage element and serves to read data stored in the storage element.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, in the present invention, since the power consumed by the driving means 200 and the sensor control block 300 is large, power is supplied to the inside of the RFID device through separate power voltage applying pads P1 and ground voltage applying pads P2. .

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

In addition, the initial set value of the DAC register 210 is set according to the radio signal RF applied from the antenna unit ANT. Accordingly, when controlling the power supply of the RFID device, when reading the stored value of the DAC register 210, a radio signal applied from the antenna unit ANT is used to change the initial set value.

The sensing controller 310 controls the operations of the digital unit 140, the sensing signal processor 330, and the analog to digital converter 340. The sensing unit 320 includes a sensing element that detects sensing parameters such as temperature, pressure, acceleration, gas, and light. For example, the sensing unit 320 detects a sensing value of temperature, pressure, acceleration, gas, light, etc. as a voltage value, converts it into a current value, and outputs the converted value. The sensing element may include a complementary metal-oxide-semiconductor (CMOS) image sensor, a pixel element, a diode element, a resistance element, or the like. Accordingly, when the sensing parameter is a temperature, a current value corresponding to the detected temperature is output.

The sensing signal processor 330 compensates and amplifies an offset of the sensing signal applied from the sensing unit 320.

In addition, the analog-to-digital converter 340 converts a sensing signal, which is an analog signal applied from the sensing signal processor 330, into digital code data under the control of the sensing controller 310. Digital code data output from the analog to digital converter 340 is output to the input / output bus. That is, the digital code data output from the analog-to-digital converter 340 is applied to the input / output data I / O bus and output to the digital unit 140 or to the DAC register 210.

Here, whether the digital code data applied to the input / output data I / O bus is output to the digital unit 140 or to the DAC register 210 is determined by the control signals WE, OE, and CE. .

That is, an external reader may want to know the sensing data of the sensing unit 320. In this case, in order to transmit the signal sensed by the sensing unit 320 to an external reader, the sensing unit may be transmitted to the digital unit 140 through the sensing signal processor 330, the analog-digital converter 340, and the input / output data I / O bus. do. The demodulator 110 and the antenna unit ANT are transmitted to an external reader.

On the other hand, in order to output the signal sensed by the sensing unit 320 to the DAC register 210 to program new data in the register, the sensing signal processor 330, the analog-to-digital converter 340, and the input / output data I / It is output to the DAC register 210 via the O bus.

The DAC register 210 includes a register therein to store digital code data applied from the analog to digital converter 340. In addition, the plurality of driving signals b1 to bm are output by comparing the set data and the internal register data through wireless signals.

10 is another embodiment of a radio frequency identification (RFID) device according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). , A driving means 200, a sensor interface unit 400, a power supply voltage applying pad P1, a ground voltage applying pad P2, a plurality of output pads OP1 to OPn, and a plurality of sensing pads SP1 to SP3.

Herein, the driving means 200 includes a DAC register 210, a power supply register 220, and a DAC driver 230. The sensor interface 400 includes a sensing controller 410 and a serial interface port 420. In the present invention, the sensor is external to the RFID device to receive the sensing signal through the external sensing pads SP1 to SP3 to program the DAC register 210.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs input / output data I / O (× m), a write enable signal WE, an output enable signal OE, and a chip enable signal CE to the DAC register 210. The operation signal ACT is output to 220. That is, the operation signal applied from the external reader is passed through the antenna unit ANT, the demodulation unit 110, and the digital unit 140 to the DAC by the write enable signal WE, the output enable signal OE, and the chip enable signal CE. Is applied to the register 210.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage device and serves to read data stored in the storage device.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, in the present invention, since the power consumed by the driving means 200 and the sensor interface 400 is large, power is supplied to the inside of the RFID device through separate power voltage applying pads P1 and ground voltage applying pads P2. .

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

In addition, the initial set value of the DAC register 210 is set according to the radio signal RF applied from the antenna unit ANT. Accordingly, when controlling the power supply of the RFID device, when reading the stored value of the DAC register 210, a radio signal applied from the antenna unit ANT is used to change the initial set value.

In addition, the sensing controller 310 controls the operations of the digital unit 140 and the serial interface port 420. Here, the serial interface port 420 preferably consists of an I2C port. The serial interface port 420 is a component for serially interfacing sensing data applied from an external sensor to an RFID device. The RFID device includes sensing pads SP1 to SP3 to perform an interface operation with the outside. The clock SCL is applied to the serial interface port 420 through the sensing pad SP1, the data SDA is applied through the sensing pad SP2, and the interrupt signal / INT is applied through the sensing pad SP3.

Here, the clock SCL represents the serial clock used by the I2C port, the data SDA represents the serial data open drain used by the I2C port, and the interrupt signal / INT represents the interrupt and data ready signal. Indicates.

The sensor SEN outside the RFID device includes a sensing element that detects sensing parameters such as temperature, pressure, acceleration, gas, light, and the like. For example, the sensor SEN detects sensing values such as temperature, pressure, acceleration, gas, and light as voltage values, converts them into current values, and outputs them to the sensing pads SP1 to SP3. The sensing element may include a complementary metal-oxide-semiconductor (CMOS) image sensor, a pixel element, a diode element, a resistance element, or the like. Accordingly, when the sensing parameter is a temperature, a current value corresponding to the detected temperature is output.

The sensing signal applied through the sensing pads SP1 to SP3 is applied to the serial interface port 420. The sensing unit 410 is applied to the digital unit 140. The digital unit 140 compensates and amplifies an offset of the sensing signal applied from the sensing controller 410. The digital unit 140 converts a sensing signal, which is an analog signal applied from the sensing control unit 410, into digital code data. Digital code data output from the digital unit 140 is output to the DAC register 210 through an input / output bus.

On the other hand, an external reader may want to know the register value of the DAC register 210. In this case, in order to transmit the signal stored in the DAC register 210 to an external reader, the signal is transmitted to an external reader via the digital unit 140, the demodulator 110, and the antenna unit ANT.

On the other hand, in order to output a signal sensed by the sensor SEN to the DAC register 210 to program new data in the register, a sensing signal applied through the sensing pads SP1 to SP3 is applied to the serial interface port 420. The digital code data is applied to the DAC register 210 through the sensing controller 410, the digital unit 140, and the input / output data I / O bus.

The DAC register 210 includes a register therein to store digital code data applied from the digital unit 140. In addition, the plurality of driving signals b1 to bm are output by comparing the set data and the internal register data through wireless signals.

11 is an operation flowchart of the RFID system according to FIGS. 9 and 10.

First, when the power supply voltage VDD is applied from the power supply voltage application pad P1 and the ground voltage GND is applied from the ground voltage application pad P2, power is supplied to the entire RFID system (step S20). Then, the power-on reset signal POR is applied. The value of the DAC register 210 is automatically restored. (Step S21) Accordingly, when the automatic sensing control mode is activated, a control signal corresponding to the sensing signal is automatically generated. (Step S22)

Then, the output state of the DAC driver 230 is determined by the initial set value of the restored DAC register 210. That is, the levels of the output signals OUT1 to OUTn are determined by the plurality of drive control signals b1 to bm output from the DAC register 210. The power of the DAC driver 230 is controlled according to the state of the power register 220.

Subsequently, when the value sensed from the sensor SEN is changed, a new update event occurs (step S23). In this case, the sensing signal applied from the sensing pads SP1 to SP3 is applied to the serial interface port 420. The sensing controller 410 is applied to the DAC register 210 via the digital unit 140.

Accordingly, the program mode of the DAC register is activated to program data in the DAC register 210 according to the control signals WE, OE, and CE applied from the digital unit 140. (Step S24) Accordingly, The new data is reset to the DAC register 210 to change the values of the plurality of drive control signals b1 to bm.

Thereafter, the DAC register 210 outputs a plurality of driving control signals b1 to bm corresponding to the programmed value to the DAC driver 230. Then, the DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

12 is a configuration diagram illustrating an application device of an RFID system including an external sensor SEN.

The antenna unit ANT is connected to the RFID device through the antenna pads PAD (+) and PAD (-). That is, the antenna unit ANT is connected to the input pin of the RFID device. In addition, the RFID device is connected to the driving device through a connection pin (PIN).

That is, the output signals OUT1 through OUTn output through the output pads OP1 to OPn of the DAC driver 230 are connected to the driving device through the connection pin PIN. Here, the driving device corresponds to a driving control device for controlling the operation of a light emitting diode (LED), a motor, a speaker, or the like.

In addition, the present invention includes an electrostatic discharge (ESD) circuit inside the RFID device. An electrostatic discharge (ESD) circuit is included in the RFID device and is connected to the driving device through the output pads OP1 to OPn and the connecting pin PIN.

The sensor SEN is connected to the RFID device through a serial interface bus SIB outside the RFID device. The sensing signal of the sensor SEN is applied to the inside of the RFID device through the sensing pads SP1 to SP3 of the RFID device.

The present invention covers the functions of an RFID device recognizing an ID code and a function of a ubiquitous sensor network (USN) using a sensor to control a driving device. Accordingly, the user may remotely control the driving device wirelessly using an RFID device including an internal sensor or an external sensor.

In the present invention, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, the driving means 200, the sensor interface A configuration including the unit 400 is defined as an 'RFID device', and a configuration including an external sensor SEN is defined as an 'RFID system'.

13 is another embodiment of a radio frequency identification (RFID) device according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). , A driving means 200, a micro controller unit (MCU) control block 500, a power supply voltage application pad P1, a ground voltage application pad P2, and a plurality of output pads OP1 to OPn.

Herein, the driving means 200 includes a DAC register 210, a power supply register 220, and a DAC driver 230. The MCU control block 500 includes an interface unit 510 and a microcontroller unit processor (520). The present invention is to embed the MCU control block 500 in the RFID device.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs input / output data I / O (× m), a write enable signal WE, an output enable signal OE, and a chip enable signal CE to the DAC register 210. The operation signal ACT is output to 220. That is, the operation signal applied from the external reader is passed through the antenna unit ANT, the demodulation unit 110, and the digital unit 140 to the DAC by the write enable signal WE, the output enable signal OE, and the chip enable signal CE. Is applied to the register 210.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage element and serves to read data stored in the storage element.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, in the present invention, since the power consumed by the driving means 200 and the MCU control block 500 is large, power is supplied to the inside of the RFID device through separate power voltage applying pads P1 and ground voltage applying pads P2. .

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

In addition, the initial set value of the DAC register 210 is set according to the radio signal RF applied from the antenna unit ANT. Accordingly, when controlling the power supply of the RFID device, when reading the stored value of the DAC register 210, a radio signal applied from the antenna unit ANT is used to change the initial set value.

The interface unit 510 controls the operations of the digital unit 510 and the MCU processor 520. In order to program the data programmed by the MCU processor 520 to the DAC register 210 and program new data in the register, the DAC is provided through the interface unit 510, the digital unit 140, and the input / output data I / O bus. It is output to the register 210.

The DAC register 210 includes a register therein and stores data applied from the digital unit 140. In addition, the plurality of driving signals b1 to bm are output by comparing the set data and the internal register data through wireless signals.

The MCU processor 520 uses some of the memory of the memory unit 150 as code data and working data memory. Accordingly, it is possible to change the drive signal of the DAC register 210 by changing the internal program of the MCU processor 520. The interface unit 510 is responsible for controlling the digital unit 140 and the MCU processor 520.

14 is another embodiment of a radio frequency identification (RFID) system according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). , A driving means 200, a serial interface controller 600, a power supply voltage application pad P1, a ground voltage application pad P2, a plurality of output pads OP1 to OPn, and a plurality of pads SP4 to SP6.

Herein, the driving means 200 includes a DAC register 210, a power supply register 220, and a DAC driver 230. The serial interface controller 600 includes a serial interface unit 610 and a serial interface port 620. In the present invention, the MCU is external to the RFID device to receive the serial interface signal through the external pads SP4 to SP6 to program the DAC register 210.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through the antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs the input / output data I / O (× m), the write enable signal WE, the output enable signal OE, and the chip enable signal CE to the DAC register 210. The operation signal ACT is output to the register 220. That is, the operation signal applied from the external reader is passed through the antenna unit ANT, the demodulation unit 110, and the digital unit 140 to the DAC by the write enable signal WE, the output enable signal OE, and the chip enable signal CE. Is applied to the register 210.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage element and serves to read data stored in the storage element.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, according to the present invention, since the power consumed by the driving means 200 and the serial interface controller 600 is large, power is supplied to the inside of the RFID device through separate power voltage applying pads P1 and ground voltage applying pads P2. Done.

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. Accordingly, it is only necessary to update the new program data applied to the DAC register 210.

The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. For example, when the driving target to be controlled by the driving device is an LED, the number of seconds after the command signal is applied by the data stored in the power register 220 may be set to turn on and off the LED. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

In addition, the initial set value of the DAC register 210 is set according to the radio signal RF applied from the antenna unit ANT. Accordingly, when controlling the power supply of the RFID device, when reading the stored value of the DAC register 210, a radio signal applied from the antenna unit ANT is used to change the initial set value.

The serial interface unit 610 controls the operations of the digital unit 140 and the serial interface port 620. Here, the serial interface port 620 is preferably made of an I2C port. The serial interface port 620 is a component for serially interfacing serial data applied from an external MCU processor to an RFID device. The RFID device includes pads SP4 to SP6 to perform an interface operation with the outside. The clock interface SCL is applied to the serial interface port 620 through the pad SP4, the data SDA is applied through the pad SP5, and the interrupt signal / INT is applied through the pad SP6.

Here, the clock SCL represents the serial clock used by the I2C port, the data SDA represents the serial data open drain used by the I2C port, and the interrupt signal / INT represents the interrupt and data ready signal. Indicates.

The MCU processor 630 external to the RFID device is a processor for generating a driving signal of the DAC register 210 by an internal program operation. The external MCU processor 630 outputs the programmed code to the pads SP4 to SP6.

The program information applied through the pads SP4 to SP6 is applied to the serial interface port 620. Then, the digital interface 140 is applied to the digital unit 140 through the serial interface unit 610. The digital unit 140 outputs program information applied from the serial interface unit 610 to the DAC register 210 through an input / output bus.

On the other hand, an external reader may want to know the register value of the DAC register 210. In this case, in order to transmit the signal stored in the DAC register 210 to an external reader, the signal is transmitted to an external reader via the digital unit 140, the demodulator 110, and the antenna unit ANT.

On the other hand, in order to output the information programmed in the external MCU processor 630 to the DAC register 210 to program new data in the register, information applied through the pads SP4 to SP6 is applied to the serial interface port 620. do. Digital code data is applied to the DAC register 210 through the serial interface unit 610, the digital unit 140, and the input / output data I / O bus.

The DAC register 210 includes a register therein to store digital code data applied from the digital unit 140. In addition, the plurality of driving signals b1 to bm are output by comparing the set data and the internal register data through wireless signals.

15 is an operation timing diagram for describing a program method of the memory unit 150 according to the present invention.

When the radio signal RF is applied from the antenna unit ANT, the command signal CMD and data DATA are programmed into the memory unit 150 via the demodulator 110 and the digital unit 140. That is, the corresponding ID code of the RFID device is programmed in advance in the memory unit 150 according to the command signal CMD and data DATA in the active area.

16 is an operation timing diagram for explaining a method of driving the DAC register 210 according to the present invention.

When a program command is applied to the digital unit 140 from an external MCU or an internal MCU, the digital unit 140 activates and outputs a chip enable signal CE, an output enable signal OE, and a write enable signal WE.

Then, the chip enable signal CE, the output enable signal OE, and the write enable signal WE are applied to the DAC register 210 through the input / output data I / O bus so that the register value of the DAC register 210 is programmed. . At this time, the operation signal ACT is activated to maintain the power register 220 in an activated state. Accordingly, the DAC driver 230 operates.

17 is an operation timing diagram for describing a method for controlling driving of an RFID device.

When the radio signal RF is applied from the antenna unit ANT, the RFID driving command signal CMD is programmed to the power register 220 via the demodulator 110 and the digital unit 140. In addition, when a driving program command is applied to the digital unit 140 from an external MCU or an internal MCU, the operation signal ACT is activated. That is, the operation signal ACT for controlling the power may be activated by a radio signal RF applied from the antenna unit ANT, or may be activated by a program command of the MCU.

18 is a block diagram illustrating an application device of an RFID system including an external MCU processor 630.

The antenna unit ANT is connected to the RFID device through the antenna pads PAD (+) and PAD (-). That is, the antenna unit ANT is connected to the input pin of the RFID device. In addition, the RFID device is connected to the driving device through a connection pin (PIN).

That is, the output signals OUT1 through OUTn output through the output pads OP1 to OPn of the DAC driver 230 are connected to the driving device through the connection pin PIN. Here, the driving device corresponds to a driving control device for controlling the operation of a light emitting diode (LED), a motor, or a speaker.

In addition, the present invention includes an electrostatic discharge (ESD) circuit inside the RFID device. An electrostatic discharge (ESD) circuit is included in the RFID device and is connected to the driving device through the output pads OP1 to OPn and the connecting pin PIN.

The MCU processor 630 is connected to the RFID device through a serial interface bus (SIB) outside the RFID device. Program information of the MCU processor 630 is applied into the RFID device through the pads SP4 to SP6 of the RFID device.

In the RFID system of the present invention, a plurality of application apparatuses are arranged in a row and column direction. In addition, one external MCU processor 630 is connected to each RFID device through a serial interface bus SIB.

The clock SCL and data SDA applying buses of the serial interface bus SIB are connected to the resistors R1 and R2. Here, the resistors R1 and R2 act as pull-up loads for pulling up the serial interface bus (SIB) and setting it to a default value (high value).

In general, the RFID device has the advantages of low power consumption, short recognition distance, and fast recognition speed. On the other hand, Zig-Bee, Wireless Fidelity (WiFi), etc., which are short-range wireless communication means, are mainly applied to home automation systems and chip sizes are larger than RFID devices. About 10 times). Accordingly, the present invention enables the remote control of the driving device by adding a control function of the driving device that is used only for storing the ID code while taking advantage of the RFID device. The present invention is to use the RFID system in the device for remotely controlling the drive device for driving the driving target, such as LED, it is possible to reduce the cost of the remote control device.

In the present invention, the modulation unit 100, the demodulation unit 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, the driving means 200, serial interface A configuration including the controller 600 is defined as an 'RFID device', and a configuration including an external MCU processor 630 is defined as an 'RFID system'.

19 is a flowchart illustrating operations of the RFID system according to FIGS. 13 and 14.

First, when the power supply voltage VDD is applied from the power supply voltage application pad P1 and the ground voltage GND is applied from the ground voltage application pad P2, power is supplied to the entire RFID system (step S30). Then, the power-on reset signal POR is applied. The value of the DAC register 210 is automatically restored (step S31).

Thereafter, the RFID check command is applied via the antenna unit ANT, the demodulation unit 110, and the digital unit 140 (step S32). The ID code data pre-stored in the memory unit 150 is stored in the digital unit 140. When transmitted to the external reader via the modulation unit 100 and the antenna unit ANT, the reader checks whether the ID code data match. (Step S33) And, if the ID code data match, the corresponding RFID device. Is activated and an RFID control command is applied from the antenna unit ANT (step S34).

Subsequently, when the MCU control mode is activated (step S35), the program mode of the DAC register 210 is activated to the DAC register 210 according to the control signals WE, OE, and CE applied from the digital unit 140. Data is programmed. (Step S36) Accordingly, new data is reset to the DAC register 210 to change the values of the plurality of drive control signals b1 to bm.

Thereafter, the DAC register 210 outputs a plurality of driving control signals b1 to bm corresponding to the programmed value to the DAC driver 230. Then, the DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

20 is another embodiment of a radio frequency identification (RFID) device according to the present invention.

The present invention includes a modulator (100), a demodulator (110), a power on reset unit (120), a clock generator (130), a digital unit (140), and a memory unit (150). The driving means 200 includes a power supply voltage applying pad P1, a ground voltage applying pad P2, a plurality of output pads OP1 to OPn, and a fixed handle mode control unit 700.

Here, the driving means 200 includes a digital analog converter register (DAC) 210, a power register 220 and a digital analog converting driver 230. In addition, the fixed handle mode controller 700 may be included in the digital unit 140.

The antenna unit ANT is a component for transmitting and receiving data between an external reader or a writer and an RFID tag. The antenna unit ANT is connected to the RFID tag through the antenna pads PAD (+) and PAD (-). Here, the radio signal RF is used only as a means for wireless communication.

In addition, the modulator 100 modulates the response signal RP applied from the digital unit 140 and transmits the modulated response signal RP to the antenna unit ANT. The demodulator 110 detects an operation command signal from the radio signal RF applied from the antenna unit ANT and outputs the command signal CMD to the digital unit 140.

The power on reset unit 120 senses the power supply voltage VDD applied from the power supply voltage application pad P1 and outputs a power on reset signal POR for controlling the reset operation to the digital unit 140. The power on reset signal POR output from the power on reset unit 120 is also input to the DAC register 210 and the power register 220. The clock generator 130 supplies the clock CLK for controlling the operation of the digital unit 140 to the digital unit 140 according to the power supply voltage VDD applied from the power supply voltage applying pad P1.

In addition, the above-described digital unit 140 receives a power supply voltage VDD applied from the power supply voltage application pad P1, a ground voltage GND applied from the ground voltage application pad P2, a power-on reset signal POR, a clock CLK, and a command signal CMD. Interpret the signal CMD. The digital unit 140 generates control signals and processing signals and outputs a response signal RP corresponding to the modulator 100. The digital unit 140 outputs an address ADD, input / output data I / O, a control signal CTR, and a clock CLK to the memory unit 150.

In addition, the digital unit 140 outputs the input / output data I / O (× m), the write enable signal WE, the output enable signal OE, and the chip enable signal CE to the DAC register 210. The operation signal ACT is output to the register 220.

In addition, the memory unit 150 includes a plurality of memory cells to store data related to ID codes of respective RFID devices. Each memory cell writes data to the storage element and serves to read data stored in the storage element.

Here, the memory unit 150 includes a nonvolatile memory area. A nonvolatile ferroelectric memory (FeRAM) may be used as the nonvolatile memory region. Such FeRAM has a data processing speed of about DRAM. In addition, FeRAM has a structure almost similar to DRAM, and has a high residual polarization characteristic of the ferroelectric by using a ferroelectric as the material of the capacitor. Due to this residual polarization characteristic, data is not erased even when the electric field is removed.

Here, the modulator 100, the demodulator 110, the power-on reset unit 120, the clock generator 130, the digital unit 140, the memory unit 150, and the driving means 200 apply a power voltage. It is driven by the power supply voltage VDD applied from the pad P1 and the ground voltage GND applied from the ground voltage application pad P2.

That is, the RFID device can control the power supply by itself. However, in the present invention, since the power consumed by the driving means 200 is large, power is supplied to the inside of the RFID device through separate power supply voltage applying pads P1 and ground voltage applying pads P2.

The DAC register 210 outputs driving control signals b1 to bm to the DAC driver 230. Here, the DAC register 210 consists of a nonvolatile register block. The power register 220 outputs a power on / off signal to the DAC driver 230 according to the operation signal ACT and the power on reset signal POR. The DAC driver 230 outputs the output signals OUT1 to OUTn through the output pads OP1 to OPn.

In addition, the fixed handle mode controller 700 receives a command signal CMD from the demodulator 100. Here, the fixed handle mode controller 700 is a circuit block including a random number generator. The fixed handle mode control unit 700 performs an operation of generating a random number in the normal mode, and outputs a fixed handle value including a nonvolatile register for storing the fixed handle in the fixed handle mode.

Accordingly, in the present invention, a plurality of RFID devices are arranged in the row and column directions, and a fixed random number is sequentially assigned to each RFID device. If there is no fixed handle mode control unit 700, when a call signal is applied from the reader, the RFID devices continuously transmit response signals until the random number matches the RFID device desired by the reader. In this case, it takes a long time until the corresponding RFID device reacts. Accordingly, the present invention stores in advance the order in which each RFID device responds to the call signal from the reader in the fixed handle mode controller 700. In this case, when a call signal is applied from the reader, it is possible to know in advance which RFID device among the plurality of RFID devices will react. In this case, the fixed handle values of the plurality of RFID chips are set differently so as not to overlap the reaction order.

FIG. 21 is a detailed block diagram illustrating the fixed handle mode control unit 700 of FIG. 20.

The fixed handle mode controller 700 includes a fixed handle command decoder 710, a fixed handle controller 720, a nonvolatile register 730, a random number generator 740, and a selector 750.

Here, the fixed handle command decoder 710 decodes the command signal CMD applied from the demodulator 110 to interpret whether the command signal CMD applied to the RFID device is a command related to the fixed handle control.

The signal output from the fixed handle command decoder 710 is applied to the fixed handle controller 720. The fixed handle controller 720 activates and outputs the handle operation signal H_ACT when the control signal applied from the fixed handle command decoder 710 corresponds to the fixed handle mode, and outputs the handle operation signal H_ACT when it does not correspond to the fixed handle mode. Disable it and print it out.

The nonvolatile register 730 non-volatile stores a signal applied from the fixed handle controller 720 to program new handle data. The handle data HD stored in the nonvolatile register 730 is output to the selector 750. The random number generator 740 generates a random number RN in the normal mode and outputs the random number RN to the selector 750. New handle data is programmed into the fixed handle nonvolatile register.

In addition, the selector 750 selects one of the random number RN and the handle control signal HD according to the handle operation signal H_ACT applied from the fixed handle controller 720 to output the output signal RN_out. Here, the selection unit 750 preferably consists of a multiplexer.

22 is an operation flowchart of the RFID system according to FIG. 20.

First, when the power supply voltage VDD is applied from the power supply voltage application pad P1 and the ground voltage GND is applied from the ground voltage application pad P2, power is supplied to the entire RFID system (step S40). Then, the power-on reset signal POR is applied. The value of the DAC register 210 is automatically restored (step S41).

A fixed handle program mode command is applied to set a regular handle value to a plurality of RFID devices arranged in rows and columns.

If the command signal CMD applied from the demodulator 110 is a fixed handle program mode command (step S42), new handle data is programmed into the fixed handle nonvolatile register 730 under the control of the fixed handle controller 720. (Step S43)

On the other hand, in order to use the handle data HD programmed in the nonvolatile register 730 as the output signal RN_out, or to use the random number RN data in normal mode as the output signal RN_out, the following two command signals are applied. Can be.

First, when the command signal CMD applied from the demodulator 110 is a fixed handle activation mode command (step S44), the fixed handle controller 720 activates and outputs the handle operation signal H_ACT. Accordingly, the selector 750 selects the fixed handle data HD stored in the nonvolatile register 730 and outputs the fixed handle data HD to the output signal RN_out (step S45).

That is, when the fixed handle activation mode command is applied from the demodulator 110, since the fixed handle data HD for the corresponding RFID device is set in the nonvolatile register 730, the fixed handle preset through the response signal RP. Data HD will be output to the outside.

On the other hand, when the command signal CMD applied from the demodulator 110 is a normal mode activation mode command (step S46), the fixed handle controller 720 deactivates and outputs the handle operation signal H_ACT. Accordingly, the selector 750 selects the random number RN generated by the random number generator 740 and outputs the random number RN to the output signal RN_out. (Step S47) In this case, the random number is RN16 (Fixed 16 bit Random Number). It is preferable to set the data.

The present invention can easily determine the RFID device to be called using the handle data HD preset in the fixed handle mode control unit 700. That is, by assigning a fixed ID to the RFID device using the handle data HD of the fixed handle mode controller 700, the reaction order of the plurality of RFID devices can be easily known.

Here, the RN16 data represents a random number of 16 bits, and in the normal mode, random data which is not determined according to a combination of 16 bit data is output. That is, all RFID devices in the recognition area of the RFID reader send and respond to random RN16 data of each tag in response to the reader's query.

However, since the RN16 data is a random number randomly generated in the RFID device, it is impossible to predict in advance what data will be generated from the RN16 data.

Meanwhile, in the present invention, the fixed handle data HD is preset to the non-volatile register 730 to a predetermined value, and when the fixed handle activation mode command is applied, the fixed handle data is set to the non-volatile register 730. It will output in HD. Accordingly, after a query command is applied, the fixed handle data HD preset by the RFID device is output to the outside.

In the present invention, since the order of the RFID devices to react among a plurality of RFID devices is a predetermined state, it is not necessary to change the unique ID code value output from each RFID device when the predetermined RFID device reacts.

That is, in the present invention, since the operation order of the RFID devices to be reacted is stored in advance, the handle data HD corresponding to the fixed ID is given to the fixed handle mode controller 700 to distinguish each RFID device. When the command signal CMD is applied from the external reader, the fixed handle data HD preset to the fixed handle mode controller 700 is output to the external reader. Then, the reader only needs to check whether the value expected by the calling RFID device is output.

Accordingly, when the command signal is a normal mode command, the multiplexer selects a generator and outputs RN16 data. When the command signal is a fixed handle activation mode command, the multiplexer selects a register and outputs fixed handle data HD.

FIG. 23 is a configuration diagram illustrating an application device of an RFID system including a fixed handle mode controller 700. Referring to FIG.

The antenna unit ANT is connected to the RFID device through the antenna pads PAD (+) and PAD (-). That is, the antenna unit ANT is connected to the input pin of the RFID device. In addition, the RFID device is connected to the driving device through a connection pin (PIN).

That is, the output signals OUT1 through OUTn output through the output pads OP1 to OPn of the DAC driver 230 are connected to the driving device through the connection pin PIN. Here, the driving device corresponds to a driving control device for controlling the operation of a light emitting diode (LED), a motor, a speaker, or the like.

In addition, the RF (radio signal) processor 810 transmits and receives a radio signal (RF) with the RFID device from outside the RFID device. That is, the antenna 800 of the RF processor 810 transmits and receives a command signal and data through the radio signal with the antenna unit ANT of the RFID device.

In the RFID system of the present invention, a plurality of application apparatuses are arranged in a row and column direction. In addition, one RF processor 810 transmits and receives data with a plurality of RFID devices using a radio signal (RF).

Here, the respective RFID devices are sequentially programmed with values of handle data (0,0) ... handle data (m, n) and fixed to a fixed value according to the corresponding RFID device. Accordingly, the RF processor 810 activates the fixed handle activation mode command and transmits it to the RFID device. In this case, since each RFID device stores unique handle data (m, n) information, the RF processor 810 may wirelessly control each RFID device by using the handle data (m, n) information. It becomes possible.

24A to 24D are diagrams for describing a power connection relationship between an RFID device and a driving device to be driven. 24A to 24D, a case in which the driving target that the driving device intends to drive is an LED will be described as an embodiment.

24A illustrates converting an external power supply V1 to supply a power supply V2 to an RFID device and an LED of an RFID system. For example, it is preferable that the external power supply V1 is set to 220V, and the power supply V2 is set to a lower 3.3V. In addition, the power control unit preferably includes a voltage converter or a transformer.

24A illustrates supplying a single power source to one RFID device and one LED. 24B shows that power is supplied to an RFID system in which one RFID device simultaneously controls a plurality of LEDs.

In addition, FIG. 24C shows that one RFID device and one LED are correspondingly connected, and power is supplied to an RFID system having a plurality of such RFID devices and LED pairs. In addition, FIG. 24D illustrates that one RFID device and a plurality of LEDs are correspondingly connected, and power is supplied to an RFID system including the RFID device and a plurality of LED groups.

In recent years, the lighting lamp installed in a building etc. contains many LED elements in many cases. In this case, a plurality of LED elements are individually controlled on / off to display a special pattern through light. In addition, it is possible to control the lighting to the desired brightness of the plurality of lights or to separately control the lights at the desired position.

According to the present invention, in the manner of controlling the above-described lighting, it is possible to remotely control the lighting through the RFID device. That is, if the RFID tag is attached to the LED device, and the desired signal is transmitted at the radio frequency through an external reader, the RFID tag attached to the LED device recognizes this and receives a separate comment according to the unique ID. To adjust the desired number and brightness.

Since the RFID tag is relatively inexpensive compared to the general wireless remote controller, when the RFID tag is applied to the lighting device, the implementation cost can be reduced and the user can be provided with convenience.

1 is a block diagram of a conventional RFID device.

2 is a block diagram of an RFID device according to the present invention.

3 is a detailed configuration diagram of the DAC register of FIG. 2;

FIG. 4 is a detailed configuration diagram of the nonvolatile register of FIG. 3. FIG.

5 and 6 are operation timing diagrams for the nonvolatile register of FIG.

7 is a flowchart illustrating operations of the RFID system of FIG. 2.

8 is a block diagram of an RFID system including the RFID device of FIG. 1.

9 is another embodiment of an RFID device according to the present invention;

10 is yet another embodiment of an RFID device according to the present invention.

11 is an operation flowchart of the RFID system according to FIGS. 9 and 10.

12 is a block diagram of an RFID system according to FIG. 10.

Figure 13 is another embodiment of an RFID device according to the present invention.

14 is yet another embodiment of an RFID device according to the present invention.

15 is an operation timing diagram for describing a program method of a memory unit according to FIGS. 13 and 14.

16 is an operation timing diagram for explaining a method of driving a DAC register according to FIGS. 13 and 14.

17 is an operation timing diagram for explaining a method of driving an RFID device according to FIGS. 13 and 14.

18 is a block diagram of an RFID system including the RFID device of FIG. 14.

19 is an operational flowchart of the RFID system according to FIGS. 13 and 14.

20 is yet another embodiment of an RFID device according to the present invention.

FIG. 21 is a detailed configuration diagram of the fixed handle mode control unit of FIG. 20. FIG.

22 is an operational flowchart of the RFID system according to FIG. 20;

23 is a block diagram of an RFID system including the RFID device of FIG. 20.

24A to 24D are diagrams for explaining a power connection relationship of the RFID system according to the present invention;

Claims (118)

Including an RFID device that the read / write operation of the data in accordance with the wireless signal applied from the antenna unit, The RFID device is A connection part connected to an external driving device; And Drive means for outputting a drive signal for controlling the drive device to the connection part in accordance with control signals generated by the radio signal, And the connection part includes an output pad connected to the driving device through a connection pin. The method of claim 1 wherein the drive means A register for storing a command signal generated by the radio signal; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. The method of claim 2, wherein the register is A buffer for buffering input and output data; A register controller configured to generate a register control signal based on the control signals and a power-on reset signal; A nonvolatile register configured to non-volatile store the input / output data according to the control signals; And And a register output unit to generate the driving control signal according to the output of the nonvolatile register. The method of claim 3, wherein the nonvolatile register is A pull-up unit configured to supply a power voltage according to a pull-up enable signal; A first latch unit configured to latch a node across the cell to the power supply voltage; An input / output unit configured to apply the input / output data to the node across the cell according to a write enable signal; A nonvolatile ferroelectric capacitor unit for storing data nonvolatile according to the cell plate signal; A second latch unit configured to latch the node across the cell to a ground voltage; And And a pull-down unit configured to supply the ground voltage according to a pull-down enable signal. 3. The RFID system according to claim 2, wherein the register recovers stored data according to a power-on reset signal. The method of claim 2, wherein the drive means And output the value stored in the register to the outside through the antenna unit when the command signal is in the read mode, and store data according to the control signals when the command signal is in the program mode. 3. The RFID device as claimed in claim 2, wherein the driving means further comprises a power register for controlling a power supply of the digital-to-analog converter (DAC) driver according to an operation signal generated by the wireless signal and a power-on reset signal. system. The method of claim 1, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. The RFID system according to claim 1 or 8, further comprising a digital unit for interpreting the command signal input according to the radio signal and outputting the control signals to the driving means. The RFID system according to claim 1, wherein the RFID device further comprises a memory unit for storing an ID code. The RFID system of claim 10, wherein the memory unit comprises a nonvolatile ferroelectric memory. The method of claim 1, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. delete The RFID system according to claim 1, wherein the driving object controlled by the driving device comprises any one of an LED, a motor, and a speaker. The RFID system according to claim 1, wherein the RFID device includes an electrostatic discharge (ESD) circuit therein. The RFID system according to claim 15, wherein the electrostatic discharge circuit is connected to the connection. Including an RFID device that the read / write operation of the data in accordance with the wireless signal applied from the antenna unit, The RFID device is A connection part connected to an external driving device; A sensor control block for converting the sensing value sensed by the sensing element into digital code data and outputting the digital code data; And Drive means for outputting a drive signal for controlling the drive device according to the digital code data to the connection portion, And the connection part includes an output pad connected to the driving device through a connection pin. RFID system, characterized in that. The method of claim 17, wherein the sensor control block A sensing unit which detects a sensing parameter including the sensing element; A sensing signal processor for compensating and amplifying an offset of a value sensed by the sensing unit; And An analog-digital converter for converting an output of the sensing signal processor to the digital code data; And And a sensing controller for controlling the operation of the sensing signal processor and the analog-digital converter. The RFID system of claim 18, wherein the sensing unit detects any one of temperature, pressure, acceleration, gas, and light. 18. The apparatus of claim 17, wherein the drive means A register to store the digital code data; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. 21. The RFID system of claim 20 wherein the register stores the digital code data in a nonvolatile ferroelectric capacitor. 21. The RFID system according to claim 20, wherein the register recovers stored data according to a power on reset signal. 21. The RFID system according to claim 20, wherein the register is set with an initial set value according to the radio signal. 21. The RFID system according to claim 20, wherein the digital code data is stored in the register in the program mode and output to the outside through the antenna unit in the read mode. 21. The RFID system according to claim 20, wherein the digital code data is input to the register via an input / output bus. 21. The RFID system according to claim 20, wherein the register outputs the driving control signal by comparing the initial set data preset with the digital code data according to the radio signal. 21. The method of claim 20, wherein the driving means further comprises a power register for controlling the power of the digital-to-analog converter (DAC) driving unit in accordance with the operation signal and the power-on reset signal generated by the radio signal. system. The method of claim 17, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. 29. The RFID system according to claim 17 or 28, further comprising a digital unit for interpreting a command signal input according to the radio signal and outputting control signals to the driving means. 18. The RFID system according to claim 17, wherein the RFID device further comprises a memory unit for storing an ID code. 31. The RFID system of claim 30 wherein the memory portion comprises a nonvolatile ferroelectric memory. The method of claim 17, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. delete 18. The RFID system according to claim 17, wherein the driving object controlled by the driving device comprises any one of an LED, a motor, and a speaker. 18. The RFID system of claim 17 wherein the RFID device includes an electrostatic discharge (ESD) circuit therein. 36. The RFID system of claim 35 wherein the electrostatic discharge circuit is coupled to the connection. An RFID device in which data read / write operation is performed according to a radio signal applied from an antenna unit; And A sensor connected to the outside of the RFID device to output a value sensed through a sensing element to the RFID device, The RFID device is A connection part connected to an external driving device; A sensor interface unit configured to receive a sensing signal applied from the sensor; And Drive means for outputting a drive signal for controlling the drive device according to the output of the sensor interface unit to the connection unit, And the connection part includes an output pad connected to the driving device through a connection pin. 38. The RFID system according to claim 37, wherein the RFID device further comprises a digital unit which processes the sensing signal applied from the sensor interface unit and outputs the sensing signal to the driving means. The RFID system according to claim 38, wherein the RFID device further comprises a sensing pad configured to output the sensing signal applied from the sensor to the sensor interface. The method of claim 39, wherein the sensing pad is A first sensing pad to which a serial clock is input; A second sensing pad to which serial data is input; And And a third sensing pad to which an interrupt signal is input. 38. The RFID system of claim 37 wherein the sensor and the RFID device are connected to each other via a serial interface bus. The method of claim 37, wherein the sensor interface unit A serial interface port to which the sensing signal is applied; And And a sensing controller for controlling the serial interface port. 43. The RFID system of claim 42 wherein the serial interface port comprises an I2C port. 38. The RFID system of claim 37, wherein the sensor detects any one of temperature, pressure, acceleration, gas, and light. 38. The apparatus of claim 37, wherein the drive means A register to store sensing data applied from the sensor interface unit; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. 46. The RFID system of claim 45 wherein the register stores the digital code data in a nonvolatile ferroelectric capacitor. 46. The RFID system of claim 45 wherein the register recovers stored data in accordance with a power on reset signal. 46. The RFID system according to claim 45, wherein the register is set with an initial set value according to the radio signal. 46. The RFID system of claim 45, wherein the sensing data is stored in the register in a program mode and output to the outside through the antenna unit in a read mode. 46. The RFID system according to claim 45, wherein the register outputs the driving control signal by comparing the initial set data and the sensing data preset according to the wireless signal. 46. The method of claim 45, wherein the driving means further comprises a power register for controlling the power of the digital-to-analog converter (DAC) driving unit in accordance with the operation signal and the power-on reset signal generated by the radio signal. system. The apparatus of claim 37, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. 38. The RFID system of claim 37, wherein the RFID device further comprises a memory unit for storing an ID code. 54. The RFID system of claim 53 wherein the memory portion includes a nonvolatile ferroelectric memory. The apparatus of claim 37, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. delete 38. The RFID system according to claim 37, wherein the driving object controlled by the driving device includes any one of an LED, a motor, and a speaker. 38. The RFID system of claim 37, wherein the RFID device includes an electrostatic discharge (ESD) circuit therein. 59. The RFID system of claim 58 wherein the electrostatic discharge circuit is coupled to the connection. Including an RFID device that the read / write operation of the data in accordance with the wireless signal applied from the antenna unit, The RFID device is A connection part connected to an external driving device; A microcontroller unit (MCU) control block for programming code data to change drive signals; And Drive means for outputting said drive signal for controlling said drive device to said connection portion in accordance with output data of said microcontroller unit control block, And the connection part includes an output pad connected to the driving device through a connection pin. 61. The RFID system according to claim 60, wherein the RFID device further comprises a digital unit for processing data applied from the microcontroller unit control block and outputting the data to the driving means. 62. The microcontroller unit of claim 61, wherein the microcontroller unit control block is A microcontroller unit (MCU) processor for programming the code data; And And an interface unit for controlling operations of the digital unit and the microcontroller unit processor. 61. The RFID system according to claim 60, wherein the RFID device further comprises a memory unit for storing an ID code. 64. The RFID system according to claim 63, wherein the microcontroller unit control block uses some memory of the memory unit as the code data and the working data memory. 66. The RFID system of claim 63 wherein the memory portion comprises a nonvolatile ferroelectric memory. 61. The apparatus of claim 60, wherein the drive means A register for storing the code data; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. 67. The RFID system of claim 66 wherein the register stores the code data in a nonvolatile ferroelectric capacitor. 67. The RFID system of claim 66 wherein the register recovers stored data in accordance with a power on reset signal. 67. The RFID system according to claim 66, wherein the register is set with an initial set value according to the radio signal. 67. The RFID system according to claim 66, wherein the code data is stored in the register in the program mode and output to the outside through the antenna unit in the read mode. 67. The RFID system according to claim 66, wherein the register outputs the driving control signal by comparing the preset set data and the code data according to the wireless signal. 67. The method of claim 66, wherein the driving means further comprises a power register for controlling the power of the digital analog conversion (DAC) driving unit in accordance with the operation signal and the power-on reset signal generated by the radio signal. system. 61. The method of claim 60, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. 61. The method of claim 60, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. delete 61. The RFID system according to claim 60, wherein the driving object controlled by the driving device includes any one of an LED, a motor, and a speaker. 61. The RFID system of claim 60, wherein the RFID device includes an electrostatic discharge (ESD) circuit therein. 78. The RFID system of claim 77 wherein the electrostatic discharge circuit is coupled to the connection. An RFID device in which data read / write operation is performed according to a radio signal applied from an antenna unit; And A microcontroller unit (MCU) processor connected to the outside of the RFID device and configured to program code data to the RFID device; The RFID device is A connection part connected to an external driving device; A serial interface controller configured to receive code data applied from the microcontroller unit processor; And And driving means for outputting a drive signal for controlling the drive device to the connection part in accordance with the output of the serial interface controller. 80. The RFID system according to claim 79, wherein the RFID device further comprises a digital unit for processing the code data applied from the serial interface controller and outputting the code data to the driving means. 80. The RFID system according to claim 79, wherein the RFID device further comprises a pad for outputting the code data applied from the microcontroller unit processor to the serial interface controller. 82. The pad of claim 81 wherein the pad is A first pad to which a serial clock is input; A second pad to which serial data is input; And And a third pad to which an interrupt signal is input. 80. The RFID system of claim 79 wherein the microcontroller unit processor and the RFID device are connected to each other via a serial interface bus. 84. The RFID system of claim 83 further comprising a plurality of RFID devices connected to the serial interface bus and controlled by the microcontroller unit processor. 84. The RFID system of claim 83 further comprising a pull up load to pull up the serial interface bus. 80. The apparatus of claim 79, wherein the serial interface controller is A serial interface port to which the code data is applied; And RFID serial system for controlling the serial interface port. 87. The RFID system of claim 86 wherein the serial interface port comprises an I2C port. 80. The apparatus of claim 79, wherein the drive means A register for storing the code data applied from the serial interface controller; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. 89. The RFID system of claim 88 wherein the register stores the code data in a nonvolatile ferroelectric capacitor. 89. The RFID system of claim 88 wherein the register recovers stored data in accordance with a power on reset signal. 89. The RFID system according to claim 88, wherein the register is set with an initial set value according to the radio signal. 89. The RFID system according to claim 88, wherein the code data is stored in the register in a program mode and output to the outside through the antenna unit in a read mode. 89. The RFID system according to claim 88, wherein the register outputs the driving control signal by comparing the initial set data preset with the code data according to the radio signal. 89. The method of claim 88, wherein the driving means further comprises a power register for controlling the power of the digital-to-analog converter (DAC) driving unit in accordance with the operation signal and the power-on reset signal generated by the radio signal. system. 80. The apparatus of claim 79, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. The RFID system according to claim 79, wherein the RFID device further comprises a memory unit for storing an ID code. 100. The RFID system of claim 96 wherein the memory portion includes a nonvolatile ferroelectric memory. 80. The apparatus of claim 79, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. 80. The RFID system according to claim 79, wherein the connection part includes an output pad connected to the driving device through a connection pin. 80. The RFID system according to claim 79, wherein the driving object controlled by the driving device comprises any one of an LED, a motor, and a speaker. 80. The RFID system of claim 79, wherein the RFID device includes an electrostatic discharge (ESD) circuit therein. 102. The RFID system of claim 101 wherein the electrostatic discharge circuit is coupled to the connection. Including an RFID device that the read / write operation of the data in accordance with the wireless signal applied from the antenna unit, The RFID device is A connection part connected to an external driving device; Drive means for outputting a drive signal for controlling the drive device to the connection portion in accordance with control signals generated by the radio signal; And And a fixed handle mode controller configured to output preset handle data to the RFID device in the fixed handle mode according to the command signal generated by the wireless signal. 107. The RFID system according to claim 103, wherein the fixed handle mode controller generates a random number in the normal mode. 105. The method of claim 103 or 104, wherein the fixed handle mode control unit A fixed handle command decoder for decoding the command signal; A fixed handle controller configured to control activation of a handle operation signal according to an output of the fixed handle command decoder; A nonvolatile register configured to output the fixed handle data by storing the output of the fixed handle controller as nonvolatile; A random number generator for generating a random number; And And a selector configured to select and output one of the random number and the fixed handle data according to a state of the handle operation signal. 107. The RFID system according to claim 103, further comprising a plurality of RFID devices arranged in row and column directions, wherein the fixed handle data are preset to different values. 107. The RFID system according to claim 106, further comprising a radio signal (RF) processor that presets the fixed handle data to a plurality of regular values in the plurality of RFID devices by using the radio signal. 103. The apparatus of claim 103, wherein the drive means A register for storing the command signal generated by the radio signal in a non-volatile manner; And And a digital-to-analog converter (DAC) driver for converting a drive control signal applied from the register into an analog signal. 109. The RFID system of claim 108 wherein the register recovers stored data in accordance with a power on reset signal. 109. The apparatus of claim 108, wherein the drive means And outputting a value stored in the register to the outside through the antenna unit when the command signal is in the read mode, and storing data according to the control signals when the command signal is in the program mode. 109. The RFID system of claim 108, wherein the driving means further comprises a power register for controlling a power supply of the digital-to-analog conversion (DAC) driving unit according to an operation signal generated by the wireless signal and a power-on reset signal. system. 107. The apparatus of claim 103, wherein the RFID device is A demodulator for demodulating the radio signal and outputting a command signal; A power on reset unit configured to detect a power supply voltage and output a power on reset signal; A clock generator which generates a clock according to the power supply voltage; And And a modulator for modulating a response signal and outputting the modulated response signal to the antenna unit. 117. The RFID system according to claim 103 or 112, wherein the RFID device further comprises a digital unit for interpreting the command signal and outputting the control signals to the driving means. 104. The RFID system according to claim 103, wherein the RFID device further comprises a memory unit for storing an ID code. 117. The RFID system of claim 114 wherein the memory portion includes a nonvolatile ferroelectric memory. 107. The apparatus of claim 103, wherein the RFID device is A power supply voltage applying pad supplying a power supply voltage to the inside of the RFID device; And And a ground voltage applying pad for supplying a ground voltage to the inside of the RFID device. 107. The RFID system according to claim 103, wherein the connection part comprises an output pad connected to the driving device through a connection pin. 104. The RFID system according to claim 103, wherein the driving object controlled by the driving device includes any one of an LED, a motor, and a speaker.

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