CN206460486U - A kind of integrated GPRS contact IC card reader-writer - Google Patents
A kind of integrated GPRS contact IC card reader-writer Download PDFInfo
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- CN206460486U CN206460486U CN201621490034.4U CN201621490034U CN206460486U CN 206460486 U CN206460486 U CN 206460486U CN 201621490034 U CN201621490034 U CN 201621490034U CN 206460486 U CN206460486 U CN 206460486U
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- module
- gsm
- gprs
- main control
- contact
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Abstract
The utility model discloses a kind of integrated GPRS contact IC card reader-writer, including main control module, GSM/GPRS modules, memory module, power module and peripheral circuit module, memory module is connected by Serial Peripheral Interface (SPI) with the main control module, power module is connected with the main control module and the GSM/GPRS modules respectively, the supply voltage of external world's input is converted into burning voltage and is supplied to main control chip and GSM/GPRS modules, main control module includes main control chip, simulate multiplexer and demultiplexer, simulation multiplexer and demultiplexer is connected with GSM/GPRS modules and peripheral circuit module respectively, the switch of Control peripheral circuit module and GSM/GPRS modules, GSM/GPRS modules are electrically connected with back-end processor, peripheral circuit module coordinates main control chip, the communication of contact intellective IC card is realized by protocol.Read write line of the present utility model and back-end processor telecommunication.
Description
Technical field
The present invention relates to read write line field, more particularly to a kind of integrated GPRS contact IC card reader-writer.
Background technology
IC-card is another the novel information instrument occurred after magnetic card, and IC-card is divided into contact and contactless two
Kind.Contact Type Ic Card is to meet a microelectronic chip insertion in the card base of ISO7816 standards, makes card form.IC-card
Enter row information with the external world by read write line to exchange, Contact Type Ic Card behind the contact of read write line and the contact of chip by carrying out
Reading and writing data.Read write line carries being interacted with back-end processor for task, the life that read write line sends back-end processor again simultaneously
Order sends IC-card to, while sending the data message of reading to back-end processor.Traditional read write line makes with back-end processor
Carried out data transmission with USB interface, limit the operating distance of read write line and back-end processor.
The content of the invention
The present invention provides a kind of integrated GPRS contact IC card reader-writer, increases a GSM/ on traditional read write line
GPRS module so that read write line can be realized and back-end processor telecommunication.
The present invention is achieved by the following technical solutions：
A kind of integrated GPRS contact IC card reader-writer, it is characterised in that：Including main control module, GSM/GPRS modules,
Memory module, power module and peripheral circuit module,
Wherein, the memory module is connected by Serial Peripheral Interface (SPI) with the main control module, for data storage；
The power module is connected with the main control module and the GSM/GPRS modules respectively, and the power module will
The supply voltage of external world's input is converted to burning voltage and is supplied to the main control chip and the GSM/GPRS modules；
The main control module comprising main control chip, simulation multiplexer and demultiplexer, the simulation multiplexer and demultiplexer respectively with it is described
GSM/GPRS modules and peripheral circuit module connection, control the peripheral circuit module and the GSM/GPRS modules
Switch, the GSM/GPRS modules electrically connect with back-end processor；
The peripheral circuit module is connected with the main control chip, and coordinates the main control chip, passes through what is be adapted
Protocol realizes the communication of contact intellective IC card.
Further, the main control chip uses STM32F103 models.
Further, the simulation multiplexer and demultiplexer uses CD4052BM models.
Further, the GSM/GPRS modules are using four working frequency range, and four working frequency range are respectively
GSM850MHz, GSM900MHz, DCS1800MHz and PCS1900MHz.
Further, the GSM/GPRS modules are to use M26FA-03-STD chips, the M26FA-03-STD chips
Include internal memory, GSM RF devices and multiple communication interfaces.
Further, the power module includes independent the first power module and second source module, the power supply mould
Block is powered by USB.
Further, first power module uses LM1117-3.3 voltage stabilizing chips, and 5V voltage sources are changed into stabilization
3.3V power supplys are supplied to main control chip.
Further, the second source module uses 29302T5 chips, and 5V voltage sources are converted into 4V power supplys and are supplied to
The GSM/GPRS modules.
The present invention compared with prior art, with following technique effect：
The present invention is applied to all conventional contact IC-card read write line fields, compared to traditional read write line, advantage of the present invention
Be that the read write line of the present invention is integrated with GPRS functions, read write line carries out radio communication using GPRS and processor, read write line and
The operating distance of back-end processor is unrestricted, and read write line can be with processor ultra-distance communication, and read write line working quantity
Do not limited by processor USB interface quantity；Other wireless transmission method also cause with the read write line quantity of processor communication not by
Limit the limitation of processor USB interface quantity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described.It is clear that drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of integrated GPRS of present invention contact IC card reader-writer；
Fig. 2 is the chip pin figure of the main control chip of the present invention；
Fig. 3 is the chip pin figure for simulating multiplexer and demultiplexer of the invention；
Fig. 4 is the structure chart of the GSM/GPRS modules of the present invention；
Fig. 5 is the pinouts of the memory module of the present invention；
Fig. 6 is the chip circuit figure of the first power module of the present invention；
Fig. 7 is the chip circuit figure of the second source module of the present invention；
Fig. 8 is the circuit theory diagrams of the peripheral circuit module of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
Fig. 1 is a kind of schematic diagram of integrated GPRS of present invention contact IC card reader-writer.As shown in figure 1, a kind of collection
Into GPRS contact IC card reader-writer, it is characterised in that：Including main control module, GSM/GPRS modules, memory module, power supply
Module and peripheral circuit module,
Wherein, the memory module is connected by Serial Peripheral Interface (SPI) with the main control module, for data storage；
The power module is connected with the main control module and the GSM/GPRS modules respectively, and the power module will
The supply voltage of external world's input is converted to burning voltage and is supplied to the main control chip and the GSM/GPRS modules；
The main control module comprising main control chip, simulation multiplexer and demultiplexer, the simulation multiplexer and demultiplexer respectively with it is described
GSM/GPRS modules and peripheral circuit module connection, control the peripheral circuit module and the GSM/GPRS modules
Switch, the GSM/GPRS modules electrically connect with back-end processor；
The peripheral circuit module is connected with the main control chip, and coordinates the main control chip, passes through what is be adapted
Protocol realizes the communication of contact intellective IC card.
In addition, a kind of integrated GPRS of present invention contact IC card reader-writer is also integrated with reset electricity commonly used in the art
Road, crystal oscillating circuit, debug circuit and peripheral electron component, these circuits are the circuit of state of the art, this area
Those of ordinary skill it will be appreciated that and can be selected according to actual needs.The model of the chip used herein arrived
All one of ordinary skill in the art will appreciate that and resulting according to actual needs.
Fig. 2 is the chip pin figure of the main control chip of the present invention, as shown in Fig. 2 main control chip uses STM32F103, and
Chip STM32F103 uses the RISC core of high performance ARM Cortex-M332, and working frequency 72MHz, built-in high speed is deposited
Reservoir, wherein the up to flash memory of 128K bytes and the SRAM of 20K bytes, abundant enhancing I/O ports and to be connected to two APB total
The peripheral hardware of line.The device of all models all includes ADC, 3 general 16 bit timing devices and a PWM timer of 2 12, also
Include standard and advanced communication interface：Up to 2 I2C and SPI, 3 USART, USB and CAN.STM32F103
The UART interface of compatible ISO7816 agreements has also been carried, but processing of the UART to clock is weaker adds, it is necessary to add peripheral circuit
By force, reliability is improved.
Fig. 3 is the chip pin figure of the simulation multiplexer and demultiplexer of the present invention, and simulation multiplexer and demultiplexer is for controlling peripheral electricity
The switch of road module and GSM/GPRS modules, simulation multiplexer and demultiplexer uses CD4052BM chips, with low conducting resistance and
Low disconnection Leakage Current, low in energy consumption, uncontrolled logic state signal influence.Chip has 4 Y passage input/output terminals,
One Y passage common port, 4 X passage input/output terminals, an X passage common port, two channel selecting end AB, a passage
Enable Pin.
Fig. 4 is the structure chart of the GSM/GPRS modules of the present invention, and wherein GSM/GPRS modules are using four working frequency range, institute
It is respectively GSM850MHz, GSM900MHz, DCS1800MHz and PCS1900MHz to state four working frequency range, supports GPRS multi-slots
Grade 12 and GPRS coded format CS-1, CS-2, CS-3 and CS-4, embed the agreements, GSM/GPRS such as TCP, UDP, FTP and PPP
Module uses M26FA-03-STD chips, and chip is that paster is module, is encapsulated using LCC, can be embedded by its pin pad
There is provided the hardware interface enriched between module and client's mainboard in Client application.M26FA-03-STD chips are main by built-in
Memory, GSM RF devices and multiple communication interfaces composition.RF-ANT is radiofrequency signal input and output pin；VBAT is main electricity
Source capsule pin；VRTC as input is powered for RTC clock, and it by the pin is that reserce cell or electric capacity fill to be as output end
Electricity；Mono- section of stipulated time of PWRKEY is dragged down to start shooting or shut down；In emergency circumstances drag down EMERG-OFF pin 20ms above energy
Close chip；Stats pins are used for the running status for indicating chip；Netlight pins indicate network state；SIM
Interface is SIM card interface；Audio is COBBAIF；UART is asynchronous serial communication interface.
Fig. 5 is the pinouts of the memory module of the present invention, and wherein memory module uses serial Flash memory, type
Number be 25032FVSIG, the chip is the memory solution of the minimum space, pin and the power consumption that are provided for system
Serial Flash memory.Based on double/tetra- times of SPI, they can provide data to RAM immediately, including storage sound,
Text and data, double/tetra- times of pin：Serial clock, piece select end, serial data IO0 (DI), IO1 (DO), IO2 (WP)
With IO3 (HOLD).SPI highests support 80MHz, when with double/tetra- times of instructions are read soon, flank speed during equivalent to double output
160MHz, flank speed 320MHz during four times of output.
The power module includes independent the first power module and second source module, and the power module passes through USB
Power supply.
Fig. 6 is the chip circuit figure of the first power module of the present invention, as shown in fig. 6, system is powered by USB, is powered
Voltage is 5V, and the cooperation voltage of the main control chip in system is 3.3V, and the first power module is steady using LM1117-3.3
Chip is pressed, 5V voltage sources are changed into stable 3.3V power supplys is supplied to main control chip.Wherein, LM1117-3.3 is a low voltage difference
Voltage regulator is there is provided current limit and Thermal protection, and circuit is comprising the band gap reference voltage that Zener is adjusted to ensure output voltage
Precision within 1%, output end at least needs 10uF pincers electric capacity to improve transient response and stability
Fig. 7 is the chip circuit figure of the second source module of the present invention, as shown in fig. 7, system is powered by USB, is powered
Voltage is 5V, and the Typical operating voltages of GSM/GPRS modules are 4V, and second source module uses 29302T5 chips, by 5V electricity
Potential source is converted to 4V power supplys and is supplied to the GSM/GPRS modules.Wherein, 29302T5 chips, which are one, has fast transient response
Low difference voltage regulator there is provided the protection of overcurrent protection, battery reverse-phase protection and voltage transient, the essence of reference output voltage
Degree is within 1%.
Fig. 8 is the circuit theory diagrams of the peripheral circuit module of the present invention, realizes it is to pass through in contact intellective IC card
The UART interface for the compatible ISO7816 agreements that ISO7816 peripheral circuits and STM32F103 are carried is engaged completion.Wherein
7816 contacts meet the position of Contact Type Ic Card contact and size specified in international standard ISO/IEC7816.
Traditional read write line is communicated using USB interface with back-end processor, causes the length of data wire to determine read write line
With the operating distance of processor, simultaneous processor USB interface quantity also limit read write line usage quantity.And the read-write of the present invention
Device is integrated with GPRS functions, and read write line carries out radio communication, the work of read write line and back-end processor using GPRS and processor
Apart from unrestricted, read write line can be with processor ultra-distance communication, and read write line working quantity is not by processor USB interface
Quantity is limited
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The all other embodiment obtained, belongs to the scope of protection of the invention.Although the present invention is illustrated with regard to preferred embodiment
And description, can be with it is understood by those skilled in the art that without departing from scope defined by the claims of the present invention
Variations and modifications are carried out to the present invention.
Claims (8)
1. a kind of integrated GPRS contact IC card reader-writer, it is characterised in that：Including main control module, GSM/GPRS modules, deposit
Memory modules, power module and peripheral circuit module,
Wherein, the memory module is connected by Serial Peripheral Interface (SPI) with the main control module, for data storage；
The power module is connected with the main control module and the GSM/GPRS modules respectively, and the power module is by the external world
The supply voltage of input is converted to burning voltage and is supplied to the main control chip and the GSM/GPRS modules；
The main control module comprising main control chip, simulation multiplexer and demultiplexer, the simulation multiplexer and demultiplexer respectively with the GSM/
GPRS module and peripheral circuit module connection, control opening for the peripheral circuit module and the GSM/GPRS modules
Close, the GSM/GPRS modules are electrically connected with back-end processor；
The peripheral circuit module is connected with the main control chip, and coordinates the main control chip, passes through adaptable agreement
Communication interface realizes the communication of contact intellective IC card.
2. a kind of integrated GPRS according to claim 1 contact IC card reader-writer, it is characterised in that：The master control core
Piece uses STM32F103 models.
3. a kind of integrated GPRS according to claim 1 contact IC card reader-writer, it is characterised in that：The simulation point
Multiplexer is connect using CD4052BM models.
4. a kind of integrated GPRS according to claim 1 contact IC card reader-writer, it is characterised in that：The GSM/
GPRS module is using four working frequency range, and four working frequency range are respectively GSM850MHz, GSM900MHz, DCS1800MHz
And PCS1900MHz.
5. the contact IC card reader-writer of integrated GPRS according to claim 1 or 4 a kind of, it is characterised in that：It is described
GSM/GPRS modules are to use M26FA-03-STD chips, and the M26FA-03-STD chips include internal memory, GSM radio frequencies
Device and multiple communication interfaces.
6. a kind of integrated GPRS according to claim 1 contact IC card reader-writer, it is characterised in that：The power supply mould
Block includes independent the first power module and second source module, and the power module is powered by USB.
7. a kind of integrated GPRS according to claim 6 contact IC card reader-writer, it is characterised in that：First electricity
Source module uses LM1117-3.3 voltage stabilizing chips, and 5V voltage sources are changed into stable 3.3V power supplys is supplied to main control chip.
8. a kind of integrated GPRS according to claim 6 contact IC card reader-writer, it is characterised in that：Second electricity
Source module uses 29302T5 chips, and 5V voltage sources are converted into 4V power supplys and are supplied to the GSM/GPRS modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490034.4U CN206460486U (en) | 2016-12-31 | 2016-12-31 | A kind of integrated GPRS contact IC card reader-writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490034.4U CN206460486U (en) | 2016-12-31 | 2016-12-31 | A kind of integrated GPRS contact IC card reader-writer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460486U true CN206460486U (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490034.4U Expired - Fee Related CN206460486U (en) | 2016-12-31 | 2016-12-31 | A kind of integrated GPRS contact IC card reader-writer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845573A (en) * | 2016-12-31 | 2017-06-13 | 广州中大微电子有限公司 | A kind of contact IC card reader-writer of integrated GPRS |
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2016
- 2016-12-31 CN CN201621490034.4U patent/CN206460486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845573A (en) * | 2016-12-31 | 2017-06-13 | 广州中大微电子有限公司 | A kind of contact IC card reader-writer of integrated GPRS |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20201231 |