CN103679257B - A kind of contactless payment telecommunications integrated circuit card and implementation method - Google Patents
A kind of contactless payment telecommunications integrated circuit card and implementation method Download PDFInfo
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Abstract
A kind of contactless payment telecommunications integrated circuit card and implementation method, relate to contactless payment field, effectively reduces and changes the cost increase that chip is brought, the transplanting of the most original code.The present invention includes: include the first input and output pin, first reset pin, first power pins, first grounding pin, first clock pins and multiple universal input output pin are at interior contact chip, and include the second input and output pin, second reset pin, second source pin, second grounding pin and second clock pin are at interior contactless chip, contact and contactless chip share same earth terminal and clock signal, contact chip connects to external interface device to realize telecommunications functions and realizes the menu relevant with payment function, contactless chip is used for realizing contactless payment function, contact chip is connected to realize to the control of contactless chip and carrying out data transmission with it with contactless chip also by universal input output pin multiplexing.
Description
Technical field
The present invention relates to contactless payment field, particularly relate to a kind of contactless payment telecommunications integrated circuit card core implementation method.
Background technology
Development along with integrated circuit technology, the scale of circuit, integrated level, complexity are more and more higher, make IC-card (IntegratedCircuitCard, integrated circuit card) technology achieves tremendous development, in order to adapt to high speed development and the popularization and application of IC-card, International Organization for Standardization is proposed the agreement being specifically designed for IC-card, i.e. ISO7816 agreement.
The comparative maturity that Contact Type Ic Card technology has developed at present, and non-contact IC card technology is just flourish.But what contactless IC card actual application mathematics was bigger at present is logic encryption card, it can not meet the demand of a lot of application in safety and storage energy.Based on these demands, double-interface card arises at the historic moment.The telecommunications IC-card realizing now band contactless payment function mainly carries out correlation function realization on jumbo pair of interface chip, but several chip suppliers that this chip only has only a few provide, therefore chip cost will certainly be increased substantially, increase the difficulty of code migrating simultaneously, increase R&D costs to put into, the R&D cycle can be extended simultaneously, be unfavorable for the market that reply is fast-developing.
The major technique that the existing telecommunications IC-card realizing band contactless payment function uses is to carry out correlation function realization on jumbo pair of interface chip, and the shortcoming of this technology mainly has: 1, chip cost increases substantially；2, the difficulty of code migrating is increased；3, extend the R&D cycle, be unfavorable for the fast reaction realized market；4, increase R&D costs to put into.
Summary of the invention
The technical problem to be solved is to propose a kind of contactless payment telecommunications integrated circuit card and implementation method, dual chip is utilized to realize contactless payment function, to reduce chip cost and to make it easy to realize code migrating, thus shorten the R&D cycle and reduce R&D costs input.
In order to solve above-mentioned technical problem, the invention provides a kind of contactless payment telecommunications integrated circuit card, including: contact chip and contactless chip,
Described contact chip includes the first input and output pin, the first reset pin, the first power pins, the first grounding pin, the first clock pins and multiple universal input output pin,
Described contactless chip includes the second input and output pin, the second reset pin, second source pin, the second grounding pin and second clock pin,
Described first grounding pin and described second grounding pin are connected to same earth terminal,
Described first clock pins and described second clock pin are connected to same clock signal,
Described contact chip utilizes described first input and output pin, the first reset pin and the first power pins to be connected with external interface device, to realize telecommunications functions and to realize the menu relevant to payment function,
Described contactless chip is used for realizing contactless payment function,
Described contact chip to be connected with the second input and output pin, described second reset pin and described second source pin respectively also by the plurality of universal input output pin carries out multiplexing, to realize to the control of described contactless chip and carrying out data transmission with described contactless chip.
Further, described contact chip includes at least three universal input output pin.
Further, described contact chip includes four universal input output pins, and two of which universal input output pin is connected with described second source pin.
Further, the capacity of described contact chip is more than the capacity of described contactless chip, and described contactless chip is double interface chips.
Further, the control of described contactless chip is included by described contact chip:
Power supply signal is exported to described second source pin by described contact chip via described universal input output pin, to start contactless chip；And
Reset signal is sent to described second reset pin by described contact chip via described universal input output pin, so that, if receiving the reply reset signal from described contactless chip from described second input and output pin within N number of clock cycle, then carry out data transmission with described contactless chip, if and not receiving described reply reset signal within N number of clock cycle, then by shutdown sequence transmission being closed described contactless chip to described second input and output pin via described universal input output pin.
Further, the scope of described N is 400～40000.
Further, described reply reset signal is character string, and described reply reset signal is for defining the data transmission channel between described contact chip and described contactless chip.
Further, described reply reset signal comprises 33 or less character, and wherein said reply reset signal comprises initialize in character, layout character and following character one or more: interface character, history relevant character and check character.
Further, the data transmission between described contact chip and described contactless chip includes:
Described first clock pins is held consultation with described universal input output pin, so that described one bit information of each transmission per unit of time of universal input output pin；And
Described contact chip sends data to described second input and output pin via described universal input output pin, and receives the response signal from described contactless chip from described second input and output pin.
Further, the data transmission between described contact chip and described contactless chip is carried out according to ISO7816 interface protocol.
Further, described data transmission channel is single-threaded alternative channel, make, in data transmission procedure, data signal is sent to described contactless chip by the most described contact chip, the most described contact chip is by blocked, until receiving response signal from described contactless chip.
Further, the described unit interval is that described contact chip is determined according to the operating rate of described contactless chip by described first clock pins.
Further, the information of a byte is transmitted between described contact chip and described contactless chip, and by 10 continuous print bits at described universal input output pin, described 10 continuous print bits comprise: the initial word bit of a bit, the data bit of 8 bits and the parity check bit of a bit.
In order to solve above-mentioned technical problem, the invention provides a kind of contactless payment telecommunications implementation method, comprise the following steps:
Contact chip and contactless chip are provided,
Described contact chip includes the first input and output pin, the first reset pin, the first power pins, the first grounding pin, the first clock pins and multiple universal input output pin,
Described contactless chip includes the second input and output pin, the second reset pin, second source pin, the second grounding pin and second clock pin；
Described first grounding pin and described second grounding pin is made to be connected to same earth terminal and make described first clock pins and described second clock pin be connected to same clock signal；
Described contact chip is made to be connected with external interface device by described first input and output pin, the first reset pin and the first power pins, to realize telecommunications functions and to realize the menu relevant to payment function；
Described contactless chip is made to realize contactless payment；And
Described contact chip is made to be connected with the second input and output pin, described second reset pin and described second source pin respectively by the plurality of universal input output pin carries out multiplexing, to realize to the control of described contactless chip and carrying out data transmission with described contactless chip.
Further, described contact chip includes at least three universal input output pin.
Further, the capacity of described contact chip is more than the capacity of described contactless chip, and described contactless chip is double interface chips.
Further, the control of described contactless chip is included by described contact chip:
Power supply signal is exported to described second source pin by described contact chip via described universal input output pin, to start contactless chip；And
Reset signal is sent to described second reset pin by described contact chip via described universal input output pin, so that, if receiving the reply reset signal from described contactless chip from described second input and output pin within N number of clock cycle, then carry out data transmission with described contactless chip, if and not receiving described reply reset signal within N number of clock cycle, then by shutdown sequence transmission being closed described contactless chip to described second input and output pin via described universal input output pin.
Further, described contact chip carries out data transmission including with described contactless chip:
Described first clock pins is held consultation with described universal input output pin, so that described one bit information of each transmission per unit of time of universal input output pin；And
Described contact chip sends data to described second input and output pin via described universal input output pin, and receives the response signal from described contactless chip from described second input and output pin.
Further, described contact chip carries out data transmission according to ISO7816 interface protocol with described contactless chip.
Further, described contact chip carries out data transmission in single-threaded alternative channel with described contactless chip, make, in data transmission procedure, data signal is sent to described contactless chip by the most described contact chip, the most described contact chip is by blocked, until receiving response signal from described contactless chip.
Further, the scope of described N is 400～40000.
Integrated circuit card and implementation method that the present invention provides can utilize dual chip to realize contactless payment function, contact chip is combined with contactless chip, can effectively reduce and change the cost increase that chip is brought, it is beneficial to the transplanting of original code simultaneously, shorten the R&D cycle, reduce Innovation Input, the shortcoming being prevented effectively from prior art.
Accompanying drawing explanation
Fig. 1 is the hardware composition schematic diagram of the contactless payment telecommunications integrated circuit card of the embodiment of the present invention；
Fig. 2 is the contact chip physical connection schematic diagram with contactless chip of the embodiment of the present invention；
Fig. 3 is the structural representation of the state machine of the contact chip of the embodiment of the present invention；
Fig. 4 is the structural representation of the state machine of the contactless chip of the embodiment of the present invention；
The transformat schematic diagram of 10 continuous print bits that the universal input output pin that Fig. 5 is the embodiment of the present invention is passed through in the case of one byte information of transmission；
Fig. 6 is the structural representation replying reset signal of the embodiment of the present invention；
Fig. 7 is the flow chart of the contactless payment telecommunications implementation method of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the invention are described in detail.It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can mutual combination in any.
As depicted in figs. 1 and 2, embodiments of the invention provide a kind of contactless payment telecommunications integrated circuit card, including: contact chip 1 and contactless chip 2, described contact chip 1 includes the first input and output pin I/O_1, the first reset pin RST_1, the first power pins VCC_1, the first grounding pin GND_1, the first clock pins CLK_1 and multiple universal input output pin GPIO
Described contactless chip includes the second input and output pin I/O_2, the second reset pin RST_2, second source pin VCC_2, the second grounding pin GND_2 and second clock pin CLK_2,
Described first grounding pin GND_1 and described second grounding pin GND_2 is connected to same earth terminal,
Described first clock pins CLK_1 and described second clock pin CLK_2 is connected to same clock signal,
Described contact chip 1 utilizes described first input and output pin I/O_1, the first reset pin RST_1 and the first power pins VCC_1 to be connected with external interface device, to realize telecommunications functions and to realize the menu relevant to payment function,
Described contactless chip 2 is used for realizing contactless payment function,
Described contact chip 1 to be connected with the second input and output pin I/O_2, described second reset pin RST_2 and described second source pin VCC_2 respectively also by the plurality of universal input output pin GPIO carries out multiplexing, to realize to the control of described contactless chip 2 and carrying out data transmission with described contactless chip 2.
Further, described contact chip includes at least three universal input output pin GPIO.
Further, described contact chip includes four universal input output pins, and two of which universal input output pin GPIO is connected with described second source pin VCC_2.
Further, the capacity of described contact chip 1 is more than the capacity of described contactless chip 2, and described contactless chip 2 is double interface chips.
As shown in Figure 3 and Figure 4, further, the control of described contactless chip 2 is included by described contact chip 1:
Power supply signal is exported to described second source pin VCC_2 by described contact chip 1 via described universal input output pin GPIO, to start contactless chip 2；And
Reset signal is sent to described second reset pin RST_2 by described contact chip 1 via described universal input output pin GPIO, so that, if receiving the reply reset signal (ATR) from described contactless chip 2 from described second input and output pin I/O_2 within N number of clock cycle, then carry out data transmission with described contactless chip 2, if and within N number of clock cycle, do not receive described reply reset signal, then by shutdown sequence transmission being closed described contactless chip 2 to described second input and output pin I/O_2 via described universal input output pin GPIO.
Further, the scope of described N is 400-40000.
Further, described reply reset signal is character string, and described reply reset signal is for defining the data transmission channel between described contact chip 1 and described contactless chip 2.
As shown in Figure 6, further, described reply reset signal comprises 33 or less character, and wherein said reply reset signal comprises initialize in character, layout character and following character one or more: interface character, history relevant character and check character.
The most as shown in Figure 3 and Figure 4, further, the data transmission between described contact chip 1 and described contactless chip 2 includes:
Described first clock pins CLK_1 holds consultation with described universal input output pin GPIO, so that described universal input one bit information of each transmission per unit of time of output pin GPIO；And
Described contact chip 1 sends data to described second input and output pin I/O_2 via described universal input output pin GPIO, and receives the response signal from described contactless chip 2 from described second input and output pin I/O_2.
Further, the data transmission between described contact chip 1 and described contactless chip 2 is carried out according to ISO7816 interface protocol.
Described data transmission channel is single-threaded alternative channel, making, in data transmission procedure, data signal is sent to described contactless chip 2 by the most described contact chip 1, the most described contact chip 1 is by blocked, until receiving response signal from described contactless chip 2.
Further, the described unit interval is determined by described first clock pins.
As shown in Figure 5, further, the information of a byte is transmitted between described contact chip 1 and described contactless chip 2, and by 10 continuous print bits at described universal input output pin GPIO, described 10 continuous print bits comprise: the initial word bit of a bit, the data bit of 8 bits and the parity check bit of a bit.
As shown in Figure 6, The embodiment provides a kind of contactless payment telecommunications implementation method, comprise the following steps:
Contact chip 1 and contactless chip 2 are provided,
Described contact chip 1 includes the first input and output pin I/O_1, the first reset pin RST_1, the first power pins VCC_1, the first grounding pin GND_1, the first clock pins CLK_1 and multiple universal input output pin GPIO,
Described contactless chip includes the second input and output pin I/O_2, the second reset pin RST_2, second source pin VCC_2, the second grounding pin GND_2 and second clock pin CLK_2；
Described first grounding pin GND_1 and described second grounding pin GND_2 is made to be connected to same earth terminal and make described first clock pins CLK_1 and described second clock pin CLK_2 be connected to same clock signal；
Described contact chip 1 is made to be connected with external interface device by described first input and output pin I/O_1, the first reset pin RST_1, the first power pins VCC_1, to realize telecommunications functions and to realize the menu relevant to payment function；
Described contact chip 1 is also made to be connected with described second input and output pin I/O_2, the second reset pin RST_2, second source pin VCC_2 respectively by the plurality of universal input output pin GPIO carries out multiplexing, to realize to the control of described contactless chip 2 and carrying out data transmission with described contactless chip 2；And
Described contactless chip 2 is made to realize contactless payment.
Further, described contact chip includes at least three universal input output pin GPIO.
Further, the capacity of described contact chip 1 is more than the capacity of described contactless chip 2, and described contactless chip 2 is double interface chips.
Further, the control of described contactless chip 2 is included by described contact chip 1:
Power supply signal is exported to described second source pin VCC_2 by described contact chip 1 via described universal input output pin GPIO, to start contactless chip 2；And
Reset signal is sent to described second reset pin RST_2 by described contact chip 1 via described universal input output pin GPIO, so that, if receiving the reply reset signal from described contactless chip 2 from described second input and output pin I/O_2 within N number of clock cycle, then carry out data transmission with described contactless chip 2, if and within N number of clock cycle, do not receive described reply reset signal, then by shutdown sequence transmission being closed described contactless chip 2 to described second input and output pin I/O_2 via described universal input output pin GPIO.
Further, described contact chip 1 carries out data transmission including with described contactless chip 2:
Described first clock pins CLK_1 holds consultation with described universal input output pin GPIO, so that described universal input one bit information of each transmission per unit of time of output pin GPIO；And
Described contact chip 1 sends data to described second input and output pin I/O_2 via described universal input output pin GPIO, and receives the response signal from described contactless chip 2 from described second input and output pin I/O_2.
Further, described contact chip 1 carries out data transmission according to ISO7816 interface protocol with described contactless chip 2.
Further, described contact chip 1 carries out data transmission in single-threaded alternative channel with described contactless chip 2, make, in data transmission procedure, data signal is sent to described contactless chip 2 by the most described contact chip 1, the most described contact chip is by blocked, until receiving response signal from described contactless chip 2.
Further, the scope of described N is 400～40000.
In an embodiment of the present invention, the bigger contact chip 1 of capacity is as master chip, and contactless chip 2 is as from chip.Master chip and between chip use ISO7816 interface protocol as communication protocol, use privately owned instruction to carry out data interaction.Master chip mainly realizes telecommunications functions, and the related menu of payment function also realizes at this simultaneously；Contactless payment function is mainly realized from chip.Master chip is with from the public same earth terminal of chip and same clock signal, and second source pin VCC_2, the second reset pin RST_2, the second input and output pin I/O_2 from chip are then connected with the universal input output pin GPIO in master chip.Master chip, by register manipulation, simulates ISO7816 interface protocol, completes and data communication between chip.
Master chip be simulation ISO7816 interface protocol master controller, from chip then as simulate ISO7816 interface protocol from equipment.The transmission of data receives and is satisfied by ISO7816 interface protocol specification.ISO7816-3 defines electrical characteristic and the host-host protocol of IC-card.Power supply signal, reset signal is provided to master chip in an embodiment of the present invention by interface equipment such as mobile phone, and master chip is with from chip common clock signal, input signal or output signal at the power supply signal of chip, reset signal, the second input and output pin I/O_2 are then directly to input from the universal input output pin GPIO of master chip or export to this universal input output pin GPIO.Second input and output pin I/O_2 co-exists in two states: send state and the state of reception.Master chip and the transmission of the data between chip use T=0 and T=1 communication protocol.T=0 is asynchronous half-duplex character transmission agreement, and T=1 is asynchronous half-duplex block host-host protocol.
In an embodiment of the present invention, master chip and the transmission of the data between chip meet ISO7816 interface protocol specification.Carry out data transmission needing to be consulted by the first clock pins CLK_1 and universal input output pin GPIO with from chip chamber at master chip.Universal input each unit interval of output pin GPIO transmits a bit information, and the unit interval is determined by the first clock pins CKL_1.Receiving after the reset signal of master chip from chip, master chip determines the operating rate from chip by this signal, determines the time needed for chip one bit of transmission with this.This time the most described unit interval.First clock pins is held consultation with universal input output pin, so that one bit information of each transmission per unit of time of universal input output pin, i.e. master chip controls the required time of one bit of transmission by clock signal.Transmitting the information of a byte, have 10 continuous print bits to pass through at universal input output pin GPIO, its transformat comprises the initial word bit of a bit, the data bit of 8 bits, the parity check bit of a bit, and its structure is as shown in Figure 5.
In an embodiment of the present invention, the I/O lead-in wire connected by universal input output pin GPIO and the second input and output pin I/O_2 comprises a half-duplex channel；This represent, master chip with can transmit data on the same channel from chip, but both can not transmit simultaneously.So as a part for boot sequence, master chip with all enter reception state from chip, intercept universal input output pin GPIO.When reset operation starts, master chip is still in reception state, but has to enter into transmission state from chip, it is therefore an objective to can send reply and supplement signal (ATR) with money to master chip.In half-duplex channel, do not have a kind of method reliably make either party can asynchronous change state, change to reception state from transmission state, or from the state of reception to the state of transmission.If needing to use this change, then a side needs to enter reception state, and allows process operation time-out；Then master chip one side always can attempt entering transmission state, re-establishes the sequence of an accreditation.
In an embodiment of the present invention, the first clock pins CLK_1 and second clock pin CLK_2 and I/O lead-in wire supports that the scope of different pieces of information transmission speed is the widest.This transmission speed is by from chip definition, and sends master chip to by the option character in ATR.Transmission speed is set by a bit-time on I/O lead-in wire, it means that, go to read a bit and each follow-up bit by sampled I/O lead-in wire, set up time interval.This timing definition is a basic time unit (etu), on the basis of it sets up the linear relationship between several factors.
In an embodiment of the present invention, when master chip needs in time obtaining data from chip, and the universal input output pin GPIO mouth first passing through master chip sends power supply signal from the second source pin VCC_2 of chip, as from the power supply of chip.So later reset signal is sent to the second reset pin RST_2 from chip by the universal input output pin GPIO of master chip, when from chip once receive reset signal, after receiving reset signal, between 400～40000 clock cycle, ART should be passed back to master chip from chip.In some cases, may not reply ATR because of certain reason from chip, as long as ATR did not return within the anticipated time in the case, master chip is closed from chip to from chip one sequence of transmission, thus closes integrated circuit card.As shown in Figure 6, ATR is a string after successful initiating sequence, and from being back to the character string of master chip from chip, ATR defines the basic communication channel between contact chip and contactless chip.Defined in ISO/ICE7816-3, ATR includes 33 or less character, including herein below:
● TS initializes character (indispensable)
● T0 layout character (indispensable)
● TAiTBiTCiTDi interface character (optional)
● T1, T2, TK history relevant character (optional)
● TCK checks character (selection of having ready conditions).
In an embodiment of the present invention, in order to realize master chip and the communication between chip, use the ISO7816 communication protocol of standard.Master chip and the data from chip are transmitted and are built upon master chip by universal input output pin GPIO to from chip transmission signal, then on the basis of chip gives a response.
Although the embodiment that disclosed herein is as above, but described content is only to facilitate the embodiment that understands the present invention and use, is not limited to the present invention.Technical staff in any the technical field of the invention; on the premise of without departing from the spirit and scope that disclosed herein; in form and any amendment and change can be made in details implement; but the scope of patent protection of the present invention, still must be defined in the range of standard with appending claims.
Claims (22)
1. a contactless payment telecommunications integrated circuit card, it is characterised in that including: contact chip and contactless chip,
Described contact chip includes the first input and output pin, the first reset pin, the first power pins, the first grounding pin, the first clock pins and multiple universal input output pin,
Described contactless chip includes the second input and output pin, the second reset pin, second source pin, the second grounding pin and second clock pin,
Described first grounding pin and described second grounding pin are connected to same earth terminal,
Described first clock pins and described second clock pin are connected to same clock signal,
Described contact chip utilizes described first input and output pin, the first reset pin and the first power pins to be connected with external interface device, to realize telecommunications functions and to realize the menu relevant to payment function,
Described contactless chip is used for realizing contactless payment function,
Described contact chip to be connected with the second input and output pin, described second reset pin and described second source pin respectively also by the plurality of universal input output pin carries out multiplexing, to realize to the control of described contactless chip and carrying out data transmission with described contactless chip.
Integrated circuit card the most according to claim 1, it is characterised in that described contact chip includes at least three universal input output pin.
Integrated circuit card the most according to claim 2, it is characterised in that described contact chip includes four universal input output pins, and two of which universal input output pin is connected with described second source pin.
4. according to the integrated circuit card described in claim 1,2 or 3, it is characterised in that the capacity of described contact chip is more than the capacity of described contactless chip, and described contactless chip is double interface chips.
Integrated circuit card the most according to claim 4, it is characterised in that the control of described contactless chip is included by described contact chip:
Power supply signal is exported to described second source pin by described contact chip via described universal input output pin, to start contactless chip；And
Reset signal is sent to described second reset pin by described contact chip via described universal input output pin, so that, if receiving the reply reset signal from described contactless chip from described second input and output pin within N number of clock cycle, then carry out data transmission with described contactless chip, if and not receiving described reply reset signal within N number of clock cycle, then by shutdown sequence transmission being closed described contactless chip to described second input and output pin via described universal input output pin.
Integrated circuit card the most according to claim 5, it is characterised in that the scope of described N is 400～40000.
Integrated circuit card the most according to claim 6, it is characterised in that described reply reset signal is character string, described reply reset signal is for defining the data transmission channel between described contact chip and described contactless chip.
Integrated circuit card the most according to claim 7, it is characterized in that, described reply reset signal comprises 33 or less character, and wherein said reply reset signal comprises initialize in character, layout character and following character one or more: interface character, history relevant character and check character.
9. according to the integrated circuit card described in claim 1,2,3,5,6,7 or 8, it is characterised in that the data transmission between described contact chip and described contactless chip includes:
Described first clock pins is held consultation with described universal input output pin, so that described one bit information of each transmission per unit of time of universal input output pin；And
Described contact chip sends data to described second input and output pin via described universal input output pin, and receives the response signal from described contactless chip from described second input and output pin.
Integrated circuit card the most according to claim 9, it is characterised in that the data transmission between described contact chip and described contactless chip is carried out according to ISO7816 interface protocol.
11. integrated circuit cards according to claim 10, it is characterized in that, described data transmission channel is single-threaded alternative channel, make, in data transmission procedure, data signal is sent to described contactless chip by the most described contact chip, and the most described contact chip is by blocked, until receiving response signal from described contactless chip.
12. integrated circuit cards according to claim 9, it is characterised in that the described unit interval is that described contact chip is determined according to the operating rate of described contactless chip by described first clock pins.
13. according to the integrated circuit card described in claim 10,11 or 12, it is characterized in that, the information of a byte is transmitted between described contact chip and described contactless chip, and by 10 continuous print bits at described universal input output pin, described 10 continuous print bits comprise: the initial word bit of a bit, the data bit of 8 bits and the parity check bit of a bit.
14. 1 kinds of contactless payment telecommunications implementation methods, it is characterised in that comprise the following steps:
Contact chip and contactless chip are provided,
Described contact chip includes the first input and output pin, the first reset pin, the first power pins, the first grounding pin, the first clock pins and multiple universal input output pin,
Described contactless chip includes the second input and output pin, the second reset pin, second source pin, the second grounding pin and second clock pin；
Described first grounding pin and described second grounding pin is made to be connected to same earth terminal and make described first clock pins and described second clock pin be connected to same clock signal；
Described contact chip is made to be connected with external interface device by described first input and output pin, the first reset pin and the first power pins, to realize telecommunications functions and to realize the menu relevant to payment function；
Described contactless chip is made to realize contactless payment；And
Described contact chip is made to be connected with the second input and output pin, described second reset pin and described second source pin respectively by the plurality of universal input output pin carries out multiplexing, to realize to the control of described contactless chip and carrying out data transmission with described contactless chip.
15. implementation methods according to claim 14, it is characterised in that described contact chip includes at least three universal input output pin.
16. according to the implementation method described in claims 14 or 15, it is characterised in that the capacity of described contact chip is more than the capacity of described contactless chip, and described contactless chip is double interface chips.
17. implementation methods according to claim 16, it is characterised in that the control of described contactless chip is included by described contact chip:
Power supply signal is exported to described second source pin by described contact chip via described universal input output pin, to start contactless chip；And
Reset signal is sent to described second reset pin by described contact chip via described universal input output pin, so that, if receiving the reply reset signal from described contactless chip from described second input and output pin within N number of clock cycle, then carry out data transmission with described contactless chip, if and not receiving described reply reset signal within N number of clock cycle, then by shutdown sequence transmission being closed described contactless chip to described second input and output pin via described universal input output pin.
18. implementation methods according to claim 14, it is characterised in that described contact chip carries out data transmission including with described contactless chip:
Described first clock pins is held consultation with described universal input output pin, so that described one bit information of each transmission per unit of time of universal input output pin；And
Described contact chip sends data to described second input and output pin via described universal input output pin, and receives the response signal from described contactless chip from described second input and output pin.
19. implementation methods according to claim 17, it is characterised in that described contact chip carries out data transmission including with described contactless chip:
Described first clock pins is held consultation with described universal input output pin, so that described one bit information of each transmission per unit of time of universal input output pin；And
Described contact chip sends data to described second input and output pin via described universal input output pin, and receives the response signal from described contactless chip from described second input and output pin.
20. implementation methods according to claim 19, it is characterised in that described contact chip carries out data transmission according to ISO7816 interface protocol with described contactless chip.
21. implementation methods according to claim 20, it is characterized in that, described contact chip carries out data transmission in single-threaded alternative channel with described contactless chip, make, in data transmission procedure, data signal is sent to described contactless chip by the most described contact chip, and the most described contact chip is by blocked, until receiving response signal from described contactless chip.
22. according to the implementation method described in claim 20 or 21, it is characterised in that the scope of described N is 400～40000.
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| CN114565069B (en) * | 2022-01-25 | 2024-11-08 | 国创移动能源创新中心(江苏)有限公司 | Data transmission system of contact card and control method thereof |
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| CN101996340A (en) * | 2009-08-28 | 2011-03-30 | 中国移动通信集团公司 | Subscriber identify module (SIM) card with non-contact communication function and working method thereof |
| CN102622635A (en) * | 2011-01-27 | 2012-08-01 | 中国移动通信集团公司 | Dual interface SIM card and non-contact communication method |
| CN203070333U (en) * | 2012-11-09 | 2013-07-17 | 王海泉 | Card sleeve of intelligent card |
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| US7865141B2 (en) * | 2006-06-15 | 2011-01-04 | Silicon Storage Technology, Inc. | Chipset for mobile wallet system |
| FR2923634B1 (en) * | 2007-11-13 | 2010-06-18 | Oberthur Card Syst Sa | MICROPROCESSOR CARD, TELEPHONE COMPRISING SUCH CARD, AND METHOD OF PERFORMING AN ORDER IN SUCH A CARD. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101996340A (en) * | 2009-08-28 | 2011-03-30 | 中国移动通信集团公司 | Subscriber identify module (SIM) card with non-contact communication function and working method thereof |
| CN102622635A (en) * | 2011-01-27 | 2012-08-01 | 中国移动通信集团公司 | Dual interface SIM card and non-contact communication method |
| CN203070333U (en) * | 2012-11-09 | 2013-07-17 | 王海泉 | Card sleeve of intelligent card |
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