CN203760085U - EEPROM (electrically erasable programmable read-only memory) programmer - Google Patents
EEPROM (electrically erasable programmable read-only memory) programmer Download PDFInfo
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- CN203760085U CN203760085U CN201420085307.1U CN201420085307U CN203760085U CN 203760085 U CN203760085 U CN 203760085U CN 201420085307 U CN201420085307 U CN 201420085307U CN 203760085 U CN203760085 U CN 203760085U
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Abstract
The utility model relates to a program burning device, and in particular relates to an EEPROM (electrically erasable programmable read-only memory) programmer. The EEPROM programmer comprises a main control chip, an input/output module, a storage device, a battery power supply circuit and a dial selection switch, wherein the main control chip is connected with the input/output module through a parallel interface and is connected with the storage device through a serial external interface; the battery power supply circuit is connected with the main control chip, the input/output module, the storage device and the dial selection switch respectively; the dial selection switch is connected with the main control chip; the main control chip acquires data to be programmed from a PC (personal computer) or a USB flash disk through the input/output module according to a downloading mode selected by the dial selection switch, and stores the data to be programmed into the storage device according to a storage address selected by the dial selection switch; the main control chip acquires the data to be programmed from the storage device according to the storage address selected by the dial selection switch, and stores the data to be programmed into an external EEPROM chip. According to the programmer, the burning efficiency is effectively improved.
Description
Technical field
The utility model relates to the device of burning program, relates in particular to a kind of EEPROM programmable device.
Background technology
EEPROM (Electrically Erasable Programmable Read-Only Memory, EEPROM (Electrically Erasable Programmable Read Only Memo) chip) as electricity erasable memorizer, have the advantages that data are not fallen in repeatedly erasable and power down, a lot of hardware all needs EEPROM to store some crucial hardware data or configuration informations, for example, automatic washing machine need to deposit the correlation parameters such as the washing of the clothes of tens of kinds of materials, rinsing, dehydration and oven dry in the particular address of EEPROM.When data to be programmed are different, programmable device is connected with PC by serial ports or USB, the programming software providing in PC end operation producer, by operation programming software, deposit data to be programmed in eeprom chip, operate very loaded down with trivial details and efficiency is extremely low, and because each programming or Update Table all need to be connected with PC, programmable device carries inconvenience.
Utility model content
The utility model provides a kind of EEPROM programmable device, to improve the efficiency of programming or modification EEPROM data.
The utility model embodiment provides a kind of EEPROM programmable device, comprising:
Main control chip, input/output module, storer, battery feed circuit and dial-up selector switch, wherein, described main control chip is connected with described input/output module by parallel interface;
Described main control chip is connected with described storer by Serial Peripheral Interface (SPI);
Described battery feed circuit is connected with described main control chip, described input/output module, described storer and described dial-up selector switch respectively;
Described dial-up selector switch is connected with described main control chip;
The downloading mode that described main control chip is selected according to described dial-up selector switch, by described input/output module, from PC or USB flash disk, obtain data to be programmed, and the memory address of selecting according to described dial-up selector switch, deposits described data to be programmed in described storer;
The memory address that described main control chip is selected according to described dial-up selector switch is obtained described data to be programmed, and is deposited described data to be programmed in outside eeprom chip from described storer.
The EEPROM programmable device providing in the utility model embodiment, input/output module is sent to data to be programmed the data buffer of main control chip by 8 data buss in parallel interface, main control chip carries out data transmission by Serial Peripheral Interface (SPI) and storer, speed can reach 32MHz and use 4 times of I2C bus transfer rate, thereby make in modification or programming eeprom chip process, the transfer rate of data to be programmed between main control chip and storer improves, and then improved the efficiency of programming or modification EEPROM data.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
The structural principle block diagram that Fig. 1 is the EEPROM programmable device that provides in the utility model embodiment;
The connecting circuit figure that Fig. 2 is the main control chip that provides in embodiment;
The connecting circuit figure that Fig. 3 is the input/output module that provides in embodiment;
The connecting circuit figure that Fig. 4 is the storer that provides in embodiment;
The connecting circuit figure that Fig. 5 is the dial-up selector switch that provides in embodiment;
The lithium battery charging circuit of Fig. 6 for providing in embodiment;
The power switching circuit of Fig. 7 for providing in embodiment;
The USB flash disk feed circuit of Fig. 8 for providing in embodiment;
Fig. 9 is STM32F103 master routine download state process flow diagram in the utility model embodiment;
Figure 10 is STM32F103 master routine programming state flow chart in the utility model embodiment;
Figure 11 is STM32F103 master routine constitutional diagram in the utility model embodiment.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is carried out more in detail and complete explanation.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
The structural principle block diagram that Fig. 1 is the EEPROM programmable device that provides in the utility model embodiment; Fig. 2 to Fig. 5 is respectively the connecting circuit figure of main control chip 101 in embodiment, input/output module 102, storer 103 and dial-up selector switch 104; Fig. 6 to Fig. 8 lithium battery charging circuit, the power switching circuit providing in embodiment is provided and is USB flash disk feed circuit.
With reference to figure 1, the EEPROM programmable device providing in the utility model embodiment comprises main control chip 101, input/output module 102, storer 103, battery feed circuit 105 and dial-up selector switch 104, wherein, described main control chip 101 is connected with described input/output module 102 by parallel interface; Described main control chip 101 is connected with described storer 103 by SPI interface (Serial Peripheral Interface, Serial Peripheral Interface (SPI)); Described battery feed circuit 105 is connected with described main control chip 101, described input/output module 102, described storer 103 and described dial-up selector switch 104 respectively; Described dial-up selector switch 104 is connected with described main control chip 101; The downloading mode that described main control chip 101 is selected according to described dial-up selector switch 104, by described input/output module 102, from PC or USB flash disk, obtain data to be programmed, and the memory address of selecting according to described dial-up selector switch 104, deposits described data to be programmed in described storer 103; The memory address that described main control chip 101 is selected according to described dial-up selector switch 104 is obtained described data to be programmed, and is deposited described data to be programmed in outside eeprom chip from described storer 103.
Further, described input/output module 102 comprises CH375 chip, and on described CH375 chip, is provided with for connecting the usb bus interface of PC or USB flash disk.CH375 is the common interface chip of a usb bus, supports HOST host mode and SLAVE DeviceMode.As shown in Figure 3, CH375 is connected with main control chip 101 by parallel interface (8 BDB Bi-directional Data Bus D7～D0, read gate input pin RD#, write gate input pin WR#, sheets select input pin CS#, interrupt output pin INT# and address input pin A0), by UD+, is connected with PC or USB flash disk with UD-pin.In the peripheral circuit of CH375, flying capcitor C23 between RSTI pin and VCC connects the crystal Y4 that a nominal frequency is 12MHz between XI and XO pin, and is respectively XI and is connected over the ground a higher-order of oscillation capacitor C 22 and C30 with XO pin.VCC pin connects external power source, and V3 pin connects capacitor C 24 over the ground.ACT# pin is connected with the output terminal of diode D9 by resistance R 24, and the input end of diode D9 is connected with power supply.Under usb host mode, CH375 also provides serial communication mode, by serial input, serial output and interrupt output, is connected with single-chip microcomputer/DSP/MCU etc.The usb host mode of CH375 is supported various conventional USB equipment at full speed, and external microcontroller/DSP/MCU can communicate by letter with USB device according to corresponding usb protocol by CH375.In the present embodiment, adopt CH375 between EEPROM programmable device and PC or USB flash disk, to transmit the transfer rate that data to be programmed can effectively improve data.
Further, described main control chip 101 comprises STM32F103 chip.STM32 series is based on aiming at the custom-designed ARM Cortex-M3 of the Embedded Application kernel that requires high-performance, low cost, low-power consumption.STM32F103 series clock frequency reaches 72MHz, is the highest product of like product performance; Price with 16 products obtains the performance significantly promoting than 16 products, is the optimal selection of 16 product users.The flash memory of 128K, the SRAM of maximum 64K byte.During clock frequency 72MHz, from flash memory run time version, STM32 power consumption 36mA, is product least in power-consuming on 32 markets, is equivalent to 0.5mA/MHz.As shown in Figure 2, between 5 and 6 pins of main control chip, be connected with resistance R 29 and crystal Y3, wherein 5 pins are connected with the output terminal 2 of crystal Y3, and respectively by capacitor C 26 and C25 ground connection, wherein, 6 pins are connected with the input end 1 of crystal Y3, between 12 and 13 pins, be connected with capacitor C 28 and C27, 13 pins connect power supply by resistance R 28, 19 pins are connected with 18 pins by capacitor C 38, 32 pins are connected with 31 pins by capacitor C 39, 48 pins are connected with 47 pins by capacitor C 40, 64 pins are connected with 63 pins by capacitor C 29, 2, 3, 4, 20, 53 and 54 pins are respectively by resistance R 27 ground connection, 7 pins connect power supply, 17, 16 and 18 pins respectively with PCCOM chip J3 in RXD2, TXD2 is connected with GND bus.
Further, on described main control chip 101, be provided with the I2C interface for being connected with eeprom chip.EEPROM be can user the ROM (read-only memory) (ROM) of change, its can by higher than common voltage be used for wipe and reprogrammed (rewriting).Unlike EPROM chip, EEPROM need not take out and can revise from computing machine.In an EEPROM, when computing machine reprogrammed continually when in use, the life-span of EEPROM is that parameter is considered in a very important design.A kind of special shape of EEPROM is flash memory, and its voltage of applying in PC normally carrys out erasable and reprogrammed.I2C bus by two lines (as shown in Figure 2, serial data line IIC_SDA and serial time clock line IIC_SCL) device that makes to be articulated in bus carries out information transmission mutually, bus is identified each device with software addressing, the transmission of data each time in bus is all to be initiated by primary controller, then primary controller is waited for the answer signal of controlled device, after receiving answer signal, primary controller sends data to controlled device or receives the data that controlled device sends.
Concrete, storer 103 comprises W25X16 chip.W25X16 chip can provide storage solution for user as FLASH storer, and has that pcb board (Printed wire board, printed circuit board (PCB)) occupies little space, pin number is few and the feature such as low in energy consumption.Compare with common serial FLASH, it is more flexible that W25X16 is used, and performance is outstanding, and it is applicable to doing code down load application very much, stored sound for example, and text and data, all encapsulation are all space savings.As shown in Figure 4, in W25X16, VCC pin is connected power supply with HOLD pin, and VCC pin connects capacitor C 37 over the ground, WP# pin connects power supply, CS pin is connected with 14 pins in main control chip 101 by FCS bus, and SO, CLK and SI pin 22,21 are connected with 23 pins with main control chip 101 by SPIMPSO, SPICK and SPIMOSI bus respectively successively.STM32F103 carries out data transmission by SPISCK, SPIMISO, SPIMOSI bus and W25X16, under the shift pulse of main device, and data step-by-step transmission, high-order front, low level, rear, is full-duplex communication, data rate is faster than I2C bus on the whole, and speed can reach Mbps level.Therefore, between described main control chip 101 and described storer 103, adopt SPI communication can effectively improve the transfer rate of data to be programmed.
In described battery feed circuit 105, be provided with lithium battery, as shown in Figure 6, in USB Host socket (or joint) D10, D-is connected respectively capacitor C 31 and capacitor C 41 over the ground with D+ pin, and in USB Host socket (or joint) D10, VCC pin is connected with power supply by diode D11, power supply connects capacitor C 32 and capacitor C 33 over the ground, and connect VCC pin in TP4056 chip U4, GND pin ground connection in TP4056 chip, and VCC pin connects the input end of diode D12, and then be connected with STDBY pin by resistance R 32, CE pin connects the input end of diode D13, and then be connected with CHRG pin by resistance R 33, TEMP pin and PROG pin are respectively by resistance R 36 and R35 ground connection, power supply connects TEMP pin by resistance R 30, BAT and TEMP pin are connected respectively positive pole and the negative pole of battery BAT2, battery BAT2 is in parallel with the first diode D18, and the negative pole of the positive pole of battery BAT2 and the first diode D18, BAT pin is by capacitor C 35 ground connection.Because the two ends of described lithium battery BAT2 are connected with the first diode D18, thereby effectively avoid lithium battery BAT2 both positive and negative polarity to connect, inverse time damage charging management chip.Further, in battery feed circuit, select TP4056 as charging management chip, thus the maximum 1000mA of charging current, and charging rate is fast.
Described battery feed circuit 105 comprises power switching circuit, as shown in Figure 7, in described power switching circuit, power supply is by resistance R 43 ground connection, and be connected with the input end of the second diode D17 with the grid of field effect transistor Q2, the source electrode of field effect transistor Q2 is connected with lithium battery, the drain electrode of field effect transistor is connected with min USB line with the output terminal of diode, min USB line is by capacitor C 47 ground connection, RT9193 chip+VIN is connected with SHDN pin and is connected with min USB line, VoutF is all connected with power supply with VoutS pin, and all by capacitor C 49 ground connection.It should be noted that, in the present embodiment, when connecting programmable device by min USB line, in power switching circuit, power supply VCC is+5V, IRF9630 cut-off, and the 5V power supply that now programmable device is provided by min USB line is powered through RT9193 chip voltage stabilizing output 3.3V.When disconnection min USB line is connected with programmable device, in power switching circuit, power supply VCC is 0V, IRF9630 conducting, and now programmable device is powered through RT9193 voltage stabilizing output 3.3V by 3.7V lithium battery.RT9193 advantage is to have low-power consumption and low voltage difference, can guarantee when lithium battery voltage falls also can stablize output.
Battery feed circuit 105 also comprises USB flash disk feed circuit.As shown in Figure 8, in USB flash disk feed circuit in USBDervice socket (or joint) D14 D-and D+ pin respectively by capacitor C 42 and C43 ground connection, VCC pin connects the output terminal of min USB line, the input end of min USB line is by capacitor C44 ground connection, and be connected the voltage output line of USB with voltage stabilizing diode D15 by inductor L2, the CE of NCP1400 is all connected with Vout USB with OUT pin, LX pin output 5V voltage, and GND pin is by capacitor C48 ground connection.When disconnecting min USB line and be connected with programmable device, programmable device is exported 3.3V by 3.7V lithium battery through RT9193 voltage stabilizing and is powered, but USB flash disk needs+5V power supply, so by the boost converter rise to+5V that realized 3.7V, thereby can power for USB flash disk.
Known in conjunction with Fig. 2 and Fig. 5, dial-up selector switch 104 is connected with 38 pins with the 8th, 9,10,11,24,25,37 of STM32F103 respectively by toggle switch SW DIP-8, and in dial-up selector switch, 9-16 pin is all connected with power supply.When using PC transmission data, STM32F103, by reading 0,1 state of this toggle switch, selects to want programming data to leave the start address on W25X16 chip in; When using programmable device programming EEPROM, STM32F103, by reading 0,1 state of this toggle switch, selects to leave in the data start address on W25X16 chip.Be that described dial-up selector switch 104 is for controlling the downloading mode of data to be programmed and selecting described data to be programmed in the memory address of described storer 103.Data because W25X16 storer can be stored 2MB, can be divided into a plurality of storage areas, are used for depositing different EEPROM data, select the first address of storage area by toggle switch 104, so by the data programming in this region in outside EEPROM.If programming same data do not need to connect PC again repeatedly, the EEPROM that can directly connect computer board carries out programming.By dial-up selector switch 104, can select to download data to be programmed by the mode of PC or USB flash disk, and when depositing data to be programmed in described storer 103, by dial-up selector switch 104, select the memory address of data to be programmed in storer 103.
By the EEPROM programmable device that provides in the present embodiment, to the process of the eeprom chip programming data of computer board, comprise that downloading data to be programmed obtains data to be programmed and deposit data to be programmed in eeprom chip to storer 103 with from storer 103.Concrete, while downloading data to be programmed, first data to be programmed (data that write to outside EEPROM) are downloaded in the W25X16 that in described storer 103, embodiment provides.
When using computer to download, must connect PC by the usb bus interface of described input/output module 102, by described group, select switch 104 to select after PC downloading mode, at this moment system is powered by usb bus interface, it is lithium cell charging in battery feed circuit 105 simultaneously, PC end operation EEPROM Program Appliance software, the EEPROM data file of programming is treated in selection, by usb bus interface, sends to the usb bus interface chip that input/output module 102 sends to CH375.When CH375 receives after the data that usb host sends, first lock current USB buffer zone, prevent from being covered by follow-up data, then INT# pin is set to low level, to Master control chip 101, sends interrupt request, to STM32F103 request, interrupts; Subsequently, STM32F103 enters interrupt service routine, first carries out GET_STATUS order and obtains interruption status; Input/output module 102 is that CH375 reverts to high level by INT# pin after GET_STATUS order completes, and cancels interrupt request; Because the interruption status of obtaining by above-mentioned GET_STATUS order is " passing successfully down ", so carrying out RD_USB_DATA order, STM32F103 from CH375, reads the data that receive; CH375 discharges current buffer zone after RD_USB_DATA order completes, thereby can continue USB communication; All data receivers are complete, and STM32F103 exits interrupt service routine.
First the data that STM32F103 receives from PC end are buffered in the buffer zone of RAM, if all data receivers are complete, and verification and correct, the memory block of selecting according to dial-up selector switch 104 writes W25X16 by data by spi bus.
While using USB flash disk to download, programming data must be copied to USB flash disk name, called after Data.TXT for example, then inserts USB flash disk the usb bus interface of this device, at this moment battery-powered circuit 105 power supplies of system.By dial-up selector switch 104, select the start address of W25X16, and select after USB flash disk downloading mode by dial-up selector switch 104, STM32F103 starts to read USB flash disk data by CH375.Now STM32F103 reads the Data.TXT file of USB flash disk by controlling CH375, and the data in file are write to W25X16 with the form of byte, and the start address writing is selected by dial-up selector switch 104.When just in downloading process, pilot lamp for example, glimmers with lower frequency (5Hz) speed.
Complete pilot lamp Chang Liang to be downloaded, expression data have been downloaded, can disconnect with the USB connecting line of PC or pull up USB flash disk, at this moment battery-powered circuit 105 power supplies of EEPROM programmable device 10, STM32F103 sends query messages by I2C interface, detect and whether have outside eeprom chip access, if pilot lamp brightens by going out, represent that outside eeprom chip access and communication normally can start programming, at this moment press after programming button, the block data that STM32F103 just selects current dial-up is read from W25X16, be written to outside eeprom chip, during programming, pilot lamp for example, glimmers with high frequency (10Hz frequency), programming completes rear indicator light and for example, glimmers with a low frequency (1Hz frequency).So just, completed the operation to outside EEPROM programming.It should be noted that, pilot lamp can be with other frequency scintillation, as long as user can determine the residing state of programmable device according to the flicker frequency of pilot lamp in data download, programming process and when programming completes.
Fig. 9 is STM32F103 master routine download state process flow diagram in the utility model embodiment, known in conjunction with above-mentioned analysis and Fig. 9, while downloading data to be programmed, main control chip 101 workflows comprise: judge that whether main control chip 101 completes reception data to be programmed, does not read data to be programmed from CH375 buffer zone if complete reception; If complete reception, whether verification data to be programmed are correct, if error in data to be programmed end operation, if data to be programmed correctly write data to be programmed in W25X16 chip; When programming data, from W25X16 chip, read data to be programmed; In check W25X16 chip, whether programming is correct for data, if correctly finish programming, otherwise again will in main control chip, treat that programming data write in W25X16.
Figure 10 is STM32F103 master routine programming state flow chart in the utility model embodiment, known in conjunction with above-mentioned analysis and Figure 10, during programming data to be programmed, main control chip 101 workflows comprise: judged whether the programming of outside eeprom chip, if complete, finish programming, as do not completed, from W25X16, read and treat programming data; Data to be programmed are write to outside eeprom chip; In verification eeprom chip, whether programming is correct for data, if so, gets back in the step of the programming that has judged whether outside eeprom chip, if not, gets back to and from W25X16, reads in the step for the treatment of programming data.
In addition, Figure 11 is STM32F103 master routine constitutional diagram in the utility model embodiment, and as shown in figure 11, the state of STM32F103 master routine has standby, download, programming and fault.When STM32F103 is holding state, if press programming button, it is programming state, if occur, self check is abnormal, and it is malfunction, if select downloading mode to enter download state by dial-up selector switch; When STM32F103 is download state, if downloaded, it enters holding state, if there is communication failure, it will enter malfunction; When STM32F103 is programming state, if completing, programming enters holding state, if there is communication failure, enter malfunction; And when STM32F103 is malfunction, if self check is normal, enter holding state.
To sum up, the EEPROM programmable device providing in the utility model embodiment, only need download to the data file for the treatment of programming in storer 103, connection is connected to the eeprom chip of computer board.Open fever writes switch, lamp to be instructed lights just programming and completes, simple to operate, during programming, can not need to connect PC, and adopts powered battery, does not need external power supply.Loaded down with trivial details step while having simplified existing EEPROM fever writes programming.Therefore, the EEPROM programmable device tool that the utility model provides has the following advantages: low in energy consumption, data rate is fast, does not need computer just can programme to EEPROM.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and to those skilled in the art, the utility model can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.
Claims (8)
1. an EEPROM (Electrically Erasable Programmable Read Only Memo) chip EEPROM programmable device, is characterized in that, comprising:
Main control chip, input/output module, storer, battery feed circuit and dial-up selector switch, wherein, described main control chip is connected with described input/output module by parallel interface;
Described main control chip is connected with described storer by Serial Peripheral Interface (SPI);
Described battery feed circuit is connected with described main control chip, described input/output module, described storer and described dial-up selector switch respectively;
Described dial-up selector switch is connected with described main control chip;
The downloading mode that described main control chip is selected according to described dial-up selector switch, by described input/output module, from PC or USB flash disk, obtain data to be programmed, and the memory address of selecting according to described dial-up selector switch, deposits described data to be programmed in described storer;
The memory address that described main control chip is selected according to described dial-up selector switch is obtained described data to be programmed, and is deposited described data to be programmed in outside eeprom chip from described storer.
2. programmable device according to claim 1, is characterized in that, is provided with the I2C interface for being connected with eeprom chip on described main control chip.
3. programmable device according to claim 1, is characterized in that, described input/output module comprises CH375 chip, and on described CH375 chip, is provided with for connecting the usb bus interface of PC or USB flash disk.
4. programmable device according to claim 1, is characterized in that,
Described battery feed circuit comprises lithium battery and the first diode, and the positive pole of described lithium battery is connected with the output terminal of described the first diode, and the negative pole of described lithium battery is connected with the input end of described the first diode.
5. programmable device according to claim 4, is characterized in that,
Described battery feed circuit also comprises power switching circuit, wherein, in described power switching circuit, power supply is connected with the input end of the second diode with the grid of field effect transistor respectively, the source electrode of described field effect transistor is connected with the output terminal of described lithium battery, the output terminal of the drain electrode of described field effect transistor and described the second diode is all connected with the VIN pin of RT9193 chip, and described field effect transistor is P type field effect transistor.
6. programmable device according to claim 5, it is characterized in that, described battery feed circuit also comprises USB flash disk feed circuit, is provided with the boost converter that is used to USB flash disk that the supply voltage of setting numerical value is provided in wherein said USB flash disk feed circuit, and described boost converter is connected with described lithium battery.
7. programmable device according to claim 1, is characterized in that, described storer comprises W25X16 chip.
8. programmable device according to claim 1, is characterized in that, described main control chip comprises STM32F103 chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085307.1U CN203760085U (en) | 2014-02-27 | 2014-02-27 | EEPROM (electrically erasable programmable read-only memory) programmer |
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| CN201420085307.1U CN203760085U (en) | 2014-02-27 | 2014-02-27 | EEPROM (electrically erasable programmable read-only memory) programmer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106020833A (en) * | 2016-05-26 | 2016-10-12 | 苏州乐派特机器人有限公司 | U-flash disk type building block used for physical programming |
| CN106157573A (en) * | 2015-03-26 | 2016-11-23 | 罗伯特·博世有限公司 | Alarm assembly and programming key thereof |
| CN107678753A (en) * | 2017-06-15 | 2018-02-09 | 卡姆福（北京）能源服务有限公司 | A kind of program burn writing method, apparatus and electronic equipment |
| CN108897262A (en) * | 2018-09-03 | 2018-11-27 | 北京鲜行者网络科技有限公司 | A kind of telecommunication circuit for the external control section to multiple target list con current controls |
| CN113127393A (en) * | 2021-03-08 | 2021-07-16 | Tcl空调器(中山)有限公司 | Method, device and equipment for online reading EEPROM chip data and storage medium |
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2014
- 2014-02-27 CN CN201420085307.1U patent/CN203760085U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106157573A (en) * | 2015-03-26 | 2016-11-23 | 罗伯特·博世有限公司 | Alarm assembly and programming key thereof |
| CN106157573B (en) * | 2015-03-26 | 2020-04-17 | 罗伯特·博世有限公司 | Alarm assembly and programming key thereof |
| AU2016201734B2 (en) * | 2015-03-26 | 2021-05-27 | Robert Bosch Gmbh | Alarm assembly and programming key |
| CN106020833A (en) * | 2016-05-26 | 2016-10-12 | 苏州乐派特机器人有限公司 | U-flash disk type building block used for physical programming |
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