CN106778405A - A kind of card reader of compatible contact and non-contact IC card - Google Patents
A kind of card reader of compatible contact and non-contact IC card Download PDFInfo
- Publication number
- CN106778405A CN106778405A CN201710081402.2A CN201710081402A CN106778405A CN 106778405 A CN106778405 A CN 106778405A CN 201710081402 A CN201710081402 A CN 201710081402A CN 106778405 A CN106778405 A CN 106778405A
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- Prior art keywords
- card
- chip
- main control
- control chip
- read
- Prior art date
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- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 3
- 239000013078 crystal Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000004224 protection Effects 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000009989 Posterior Leukoencephalopathy Syndrome Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0004—Hybrid readers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
- G06K7/0086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers the connector comprising a circuit for steering the operations of the card connector
- G06K7/0091—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers the connector comprising a circuit for steering the operations of the card connector the circuit comprising an arrangement for avoiding intrusions and unwanted access to data inside of the connector
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses a kind of compatible contact and the card reader of non-contact IC card, including main control chip, safe module, voltage-stabilized power supply chip, USB interface, analog front-end chip, contactless smart IC read-write chips, contact deck is connected by described analog front-end chip with the chips；Buzzer and three indicator lamps are connected by I/0 interfaces with the main control chip；The safe module expands 3 PSAM card decks, and, by the external main control chip of PS/2 interfaces, the contactless smart IC read-write chips are connected by Serial Peripheral Interface (SPI) with the main control chip for LCD liquid crystal display screen and code keypad；The USB interface is powered by voltage-stabilizing power supply chip to the main control chip.USB of the present invention communication, without driving, plug and play, convenient to use, external LCDs and code keypad, convenient use.
Description
Technical field
The present invention relates to read write line field, more particularly to a kind of compatible contact and non-contact IC card card reader.
Background technology
Magnetic stripe card on the market, the cheap of magnetic stripe card, security performance are low, easy demagnetization.Offender typically by
Monitoring camera above ATM, sees that holder inputs password, and steals the password of holder, for stealing holder
Credit card information.And the copying equipment of bank card even password is stolen equipment and largely come into the market, as the equipment such as card reader exist
Online or electronic market can buy easily, and the price of equipment set is not expensive.Bank's magnetic stripe card is frequent by brush case is stolen
Occur, national all departments also pay much attention to, Central Bank there are new rule, it is desirable to eliminate magnetic stripe card preceding developed area in 2015,
Overall application financial IC card.
Financial IC card, that is to say the chip card often said, be exactly the upgrade version of magnetic stripe card, and chip card capacity is big, and storage capacity is
160 times of magnetic stripe card, can store the information such as secret key, digital certificate, fingerprint, have the good data encryption of read-write protection to protect on chip card
Shield, and personal identification number, card and read write line two-way authentication are taken on using protection, the difficulty of duplication is high, possesses very strong
Anti-attack ability.The stability of financial IC card is also more stronger than magnetic stripe card, is not in the situation of demagnetization.
The content of the invention
The present invention provides the card reader of a kind of compatible contact and non-contact IC social security card, improves the steady of IC card reader
Qualitative and security.
The present invention is achieved by the following technical solutions：
A kind of card reader of the Contact Type Ic Card for being embedded in safe module, including main control chip, safe module, voltage-stabilized power supply core
Piece, USB interface, analog front-end chip, contactless smart IC read-write chips, contact deck is by described AFE(analog front end) core
Piece is connected with the chips；Buzzer and three indicator lamps are connected by I/0 interfaces with the main control chip, wherein, three
Indicator lamp includes a red led and two green indicating lamps, and the red led is used to indicate power supply status, described
Two green indicating lamps indicate respectively the state of snapping into and communication state；The safe module expands 3 PSAM card decks, LCD
, by the external main control chip of PS/2 interfaces, the contactless smart IC read-write chips are led to for LCDs and code keypad
Serial Peripheral Interface (SPI) is crossed to be connected with the main control chip；
Wherein reset circuit, debug circuit and external crystal oscillation circuit are connected with the main control chip all the way, and another road is answered
Position circuit, debug circuit and external crystal oscillation circuit are connected with the contactless smart IC read-write chips, described contactless
Intelligent IC read-write chip is also connected with radio-frequency antenna, and the USB interface is powered by voltage-stabilizing power supply chip to the main control chip.
Further, the main control chip uses STM32F103 models.
Further, the analog front-end chip uses DS81113 models.
Further, the voltage-stabilized power supply chip uses LM1117 models.
Further, the contactless smart IC read-write chips use MFRC523 models.
The present invention compared with prior art, with following technique effect：The present invention supports to meet ISO7816 contact type CPUs
Card, SLE4442, SLE4428 card, while support ISO/IEC14443typeA/B all layers withClassical protocols,
And DES, 3DES algorithm for encryption are supported, while 3 PSAM card decks can be expanded, the close commercial encryption algorithm of acceding state is expanded, such as
SM2, SM3, SM4 algorithm；Communicated using USB2.0, without driving, plug and play, convenient to use, external LCDs
And code keypad, convenient use.
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
The accompanying drawing to be used needed for having technology description is 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 the schematic diagram of the card reader of a kind of compatible contact of the invention and non-contact IC social security card；
Fig. 2 is the chip pin figure of main control chip of the invention；
Fig. 3 is the chip pin figure of analog front-end chip of the invention；
Fig. 4 is the circuit structure diagram of voltage-stabilized power supply chip operation of the invention；
Fig. 5 is the functional block diagram of contactless smart IC read-write chips of the invention.
Specific 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 the schematic diagram of the card reader of a kind of compatible contact of the invention and non-contact IC social security card；Such as Fig. 1 institutes
Show, a kind of card reader of the Contact Type Ic Card for being embedded in safe module of the present invention, including main control chip, safe module, voltage-stabilized power supply
Chip, USB interface, analog front-end chip, contactless smart IC read-write chips, contact deck is by described AFE(analog front end)
Chip is connected with the chips；Buzzer and three indicator lamps are connected by I/0 interfaces with the main control chip, wherein, three
Individual indicator lamp includes a red led and two green indicating lamps, and the red led is used to indicate power supply status, institute
State two green indicating lamps and indicate respectively the state of snapping into and communication state；The safe module expands 3 PSAM card decks,
, by the external main control chip of PS/2 interfaces, the contactless smart IC reads and writes core for LCD liquid crystal display screen and code keypad
Piece is connected by Serial Peripheral Interface (SPI) with the main control chip；
Wherein reset circuit, debug circuit and external crystal oscillation circuit are connected with the main control chip all the way, and another road is answered
Position circuit, debug circuit and external crystal oscillation circuit are connected with the contactless smart IC read-write chips, described contactless
Intelligent IC read-write chip is also connected with radio-frequency antenna, and the USB interface is powered by voltage-stabilizing power supply chip to the main control chip.
Fig. 2 is the chip pin figure of main control chip of the invention, as illustrated, main control chip uses STM32F103 models.
STM32F103 uses the RISC core of high performance ARM Cortex-M3 32, and working frequency is 72MHz, and built-in high speed is deposited
Reservoir (the up to SRAM of the flash memory of 128K bytes and 20K bytes), abundant enhancing I/O ports and is connected to two APB buses
Peripheral hardware.The device of all models is gone back all comprising the ADC of 2 12,3 general 16 bit timing devices and a PWM timer
Comprising standard and advanced communication interface：Up to 2 I2C and SPI, 3 USART, USB and CAN.STM32F103
Hardware circuit diagram such as Fig. 2.TX, RX are UART interface, are responsible for being communicated with PC.BUZZER is buzzer control mouth.LED_
PWRON is electric indicator lamp control mouth on card.LED_PRES is that card inserts beacon lamp control mouth.CLK、RST、IO、
PWRSRC, CMDVCC, OFF, are responsible for being communicated with IC-card.
Fig. 3 is the chip pin figure of analog front-end chip of the invention, as illustrated, analog front-end chip is used
DS81113 models, support meets ISO7816 contact type CPU cards, SLE4442, SLE4428 card.DS8113 contact intelligent cards connect
Mouth is the AFE(analog front end) intelligent card reader of a low cost, low-power consumption, aims at ISO7816 and designs.DS8113 supports 5V, 3.3V
With the contact intelligent card of 1.8V, the dynamic mode and standby mode of low-power consumption, standby mode can be selected only to consume 10nA
Standby current, and devise the interface and intelligent card interface with system, there is provided all required electricity of Contact Type Ic Card application
Source, ESD protections etc..
Safe module supports DES, 3DES algorithm for encryption, while 3 PSAM card decks can be expanded, can expand acceding state close
Commercial encryption algorithm, such as SM2, SM3, SM4 algorithm.Security module is made up of two large divisions, and be embedded in for AES by a part
Among main control chip, such as DES, 3DES AES are realized；Another part provides a series of by independent safety chip
Encryption and decryption, signature verification function, the data of safety chip need to be exported to processor by external pin, can be independent
Safety chip is inserted into the middle of PSAM decks to realize.Two kinds are combined with each other, and improve the security of whole system.
Fig. 4 is the circuit structure diagram of voltage-stabilized power supply chip operation of the invention, and voltage-stabilized power supply chip uses LM1117 models.
The present invention is powered by USB, and USB interface is 5V, and STM32F103 voltages are 2.0V-3.6V, DS8113 support 5V, 3.3V and
The smart card of 1.8V, therefore system finally powered using 3.3V.System provides a stabilization using LM1117-3.3 voltage stabilizing chips
3.3V power supplys.
Fig. 5 is the functional block diagram of contactless smart IC read-write chips of the invention, non-is connect as shown in figure 5, of the invention
Touch intelligent IC read-write chip uses the MFRC523 of NXP companies.MF RC23 support all layers of ISO/IEC14443A/B
WithClassical protocols, and the standard compatible with the standard.Support at a high speedContactless communication ripple
Special rate, can support the logical of transmission rate 212kbit/s, 424kbit/s and 848kbit/s higher under ISO/IEC 14443A
Letter.Internal transmitter part need not increase active circuit can just directly drive the antenna of near operation distance.Receiver portion
Divide and a firm and effective demodulation and decoding circuitry is provided, for the compatible transponder signals of ISO14443A.Digital section office
Reason ISO14443A frames and error detection.Additionally, quick CRYPTO1 AESs are also supported, for verifying that MIFARE series is produced
Product.SPI mode is used to be communicated with main control chip in the present invention.
The circuits such as reset circuit used in the present invention, debug circuit and external crystal oscillation circuit are the conventional of this area
Circuit, those skilled in the art can be readily available according to design needs.
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 for obtaining, belongs to the scope of protection of the invention.Although the present invention is illustrated with regard to preferred embodiment
And description, it is understood by those skilled in the art that without departing from scope defined by the claims of the present invention, can be with
Variations and modifications are carried out to the present invention.
Claims (5)
1. a kind of card reader of the Contact Type Ic Card for being embedded in safe module, it is characterised in that：Including main control chip, safe module,
Voltage-stabilized power supply chip, USB interface, analog front-end chip, contactless smart IC read-write chips, contact deck pass through described
Analog front-end chip is connected with the chips；Buzzer and three indicator lamps are connected by I/0 interfaces with the main control chip,
Wherein, three indicator lamps include a red led and two green indicating lamps, and the red led is used to indicate power supply
State, described two green indicating lamps indicate respectively the state of snapping into and communication state；The safe module expands 3 PSAM cards
Deck, LCD liquid crystal display screen and code keypad are read by the external main control chip of PS/2 interfaces, the contactless smart IC
Chip is write to be connected with the main control chip by Serial Peripheral Interface (SPI)；
Wherein reset circuit, debug circuit and external crystal oscillation circuit are connected with the main control chip all the way, and another road resets electric
Road, debug circuit and external crystal oscillation circuit are connected with the contactless smart IC read-write chips, the contactless smart
IC read-write chips are also connected with radio-frequency antenna, and the USB interface is powered by voltage-stabilizing power supply chip to the main control chip.
2. the card reader of a kind of Contact Type Ic Card for being embedded in safe module according to claim 1, it is characterised in that：It is described
Main control chip uses STM32F103 models.
3. the card reader of a kind of Contact Type Ic Card for being embedded in safe module according to claim 1, it is characterised in that：It is described
Analog front-end chip uses DS81113 models.
4. the card reader of a kind of Contact Type Ic Card for being embedded in safe module according to claim 1, it is characterised in that：It is described
Voltage-stabilized power supply chip uses LM1117 models.
5. the card reader of a kind of Contact Type Ic Card for being embedded in safe module according to claim 1, it is characterised in that：It is described
Contactless smart IC read-write chips use MFRC523 models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081402.2A CN106778405A (en) | 2017-02-15 | 2017-02-15 | A kind of card reader of compatible contact and non-contact IC card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081402.2A CN106778405A (en) | 2017-02-15 | 2017-02-15 | A kind of card reader of compatible contact and non-contact IC card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106778405A true CN106778405A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081402.2A Pending CN106778405A (en) | 2017-02-15 | 2017-02-15 | A kind of card reader of compatible contact and non-contact IC card |
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| Country | Link |
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| CN (1) | CN106778405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111797962A (en) * | 2020-06-22 | 2020-10-20 | 衡水海博云科技有限公司 | Passive visual card and working method thereof |
| CN112508158A (en) * | 2020-12-22 | 2021-03-16 | 楚天龙股份有限公司 | Multifunctional smart card and interaction method thereof |
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| JP2011227591A (en) * | 2010-04-16 | 2011-11-10 | Lixil Nittan Co Ltd | Ic card reader and ic card authentication system |
| CN203070422U (en) * | 2013-01-10 | 2013-07-17 | 中电长城(长沙)信息技术有限公司 | Multipurpose integrated circuit (IC) card internet terminal |
| CN203276294U (en) * | 2013-04-13 | 2013-11-06 | 云南莱克科技有限公司 | Multifunctional card reader |
| CN203276315U (en) * | 2013-04-13 | 2013-11-06 | 云南莱克科技有限公司 | Double-interface IC card reading/writing device |
| CN104200184A (en) * | 2014-09-25 | 2014-12-10 | 山东中孚信息产业股份有限公司 | Dual-interface intelligent IC card reader |
| CN206961133U (en) * | 2017-02-15 | 2018-02-02 | 广州中大微电子有限公司 | A kind of card reader of compatible contact and non-contact IC card |
-
2017
- 2017-02-15 CN CN201710081402.2A patent/CN106778405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011227591A (en) * | 2010-04-16 | 2011-11-10 | Lixil Nittan Co Ltd | Ic card reader and ic card authentication system |
| CN203070422U (en) * | 2013-01-10 | 2013-07-17 | 中电长城(长沙)信息技术有限公司 | Multipurpose integrated circuit (IC) card internet terminal |
| CN203276294U (en) * | 2013-04-13 | 2013-11-06 | 云南莱克科技有限公司 | Multifunctional card reader |
| CN203276315U (en) * | 2013-04-13 | 2013-11-06 | 云南莱克科技有限公司 | Double-interface IC card reading/writing device |
| CN104200184A (en) * | 2014-09-25 | 2014-12-10 | 山东中孚信息产业股份有限公司 | Dual-interface intelligent IC card reader |
| CN206961133U (en) * | 2017-02-15 | 2018-02-02 | 广州中大微电子有限公司 | A kind of card reader of compatible contact and non-contact IC card |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111797962A (en) * | 2020-06-22 | 2020-10-20 | 衡水海博云科技有限公司 | Passive visual card and working method thereof |
| CN112508158A (en) * | 2020-12-22 | 2021-03-16 | 楚天龙股份有限公司 | Multifunctional smart card and interaction method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |