CN2603518Y - IC module for contactless IC card reader-writer - Google Patents
IC module for contactless IC card reader-writer Download PDFInfo
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- CN2603518Y CN2603518Y CN 03229529 CN03229529U CN2603518Y CN 2603518 Y CN2603518 Y CN 2603518Y CN 03229529 CN03229529 CN 03229529 CN 03229529 U CN03229529 U CN 03229529U CN 2603518 Y CN2603518 Y CN 2603518Y
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Abstract
Provided is an integrated circuit module used for non contact type IC card general offline type reader and writer. In order to simplify the design developing program of the reader and writer of the non contact type IC card application system, the utility model designs the integrated circuit module used for the reader and writer, the integrated circuit module includes a single chip microcomputer unit (U1), a memory unit (U3), a LED driving unit (U2), a voltage monitoring unit (U4), a peripheral interface unit (M2), especially includes a radio frequency interface unit (M1) integrated with a coding, a decoding, a modulation, a demodulation, an emission, a receiving circuit (U5) and a coil used as the transceiver antenna (L), and a clock crystal oscillator unit (XT). The utility model has the beneficial effects that the designer does not need to understand the radio frequency recognition technology, only needs to understand the pin function and the interface protocol of the special integrated circuit module, so as to conveniently develop the IC card reader and writer of the non contact type IC card system.
Description
Technical field
The utility model relates to electronic information technology, and especially relating to integrated circuit card is the read write line of the general off line type of non-contact IC card in the IC-card application system.
Background technology
The radio-frequency intelligent card technique is the product that REID and IC-card technology combine, and REID has contactless, and operating distance is big, facility swift to operate, reliability height, long service life and environment had stronger series of advantages such as adaptability.Therefore, the application in every field is very extensive.Particularly in public transport, health care, social insurance, the industrial and commercial tax, occupy critical role in public utilities and the intelligent management, but because the REID principle is complicated, higher to the technological requirement of design, therefore exploitation has the product of REID, the project planner who needs the radio-frequency technique of specialty, development difficulty is bigger, the construction cycle is longer, has influenced contactless IC card applying in a lot of fields.
Summary of the invention
The purpose of this utility model is in order to promote the extensive use that non-contact IC is stuck in every field, the program of simplified design exploitation, make particularly computer programming designer of designer, need not to understand REID, as long as understand the pin function and the interface protocol of the integrated circuit modules that is used for noncontact IC card read/write device, just can develop the IC-card read write line in the contactless IC card system easily.
The technical scheme that adopts for achieving the above object is: comprise one chip microcomputer unit, memory cell, LED driver element, voltage monitoring unit, peripheral interface units in inside modules, described one chip microcomputer unit directly is connected with peripheral interface units with memory cell, LED driver element, voltage monitoring unit respectively; Inside modules also comprises the radio frequency interface unit, and described one chip microcomputer unit is connected with the clock crystal oscillator unit with the radio frequency interface unit respectively; Described one chip microcomputer unit can be connected with external clock crystal oscillator unit, also the clock crystal oscillator unit can be integrated in inside modules and be connected with the one chip microcomputer unit; Wherein said peripheral interface units comprises usb circuit, RS232 interface circuit and switching value output circuit; Described radio frequency interface unit comprises coding, decoding, modulation, demodulation, emission, receiving circuit and as the coil of dual-mode antenna, is mainly used in several centimetres closely IC-card of EFFECTIVE RANGE; If be used for the remote IC-card of several meters of EFFECTIVE RANGE, can use external amplifying circuit and antenna by the pin of integrated circuit modules.Described clock crystal oscillator unit comprises the clock crystal oscillator of one chip microcomputer use and the clock crystal oscillator that the radio frequency interface unit uses.Whole module is to adopt thick film technology, and above-mentioned each unit component is integrated on the module.
The beneficial effects of the utility model are because in integrated circuit modules, the integrated RF interface unit, solve the data communication problem of read write line and non-contact IC card, so in the application and development of every field, the designer only need solve the problem that communicates to connect with background system, greatly facilitates the application of integrated circuit modules and the secondary development of contactless IC card system; Because integrated multiple as USB interface in the integrated circuit modules, the peripheral interface of RS232 interface and switching value output interface promptly can off line work alone, also can use by online parts, to satisfy the application of multiple occasion as system.
Description of drawings
Fig. 1 is the circuit structure block diagram of integrated circuit modules.
Fig. 2 is the pin schematic diagram of integrated circuit modules.
Fig. 3 is the circuit diagram of radio frequency interface unit.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
In an embodiment of the present utility model, as shown in Figure 1, at the integrated circuit modules of the general off line type read write line that is used for non-contact IC card, comprise one chip microcomputer unit U1, LCD driver element U2, FLASH memory cell U3, voltage monitoring unit U4, clock crystal oscillator unit XT, radio frequency interface unit M1 and peripheral interface units M2.Described one chip microcomputer unit U1 directly is connected with LCD driver element U2, FLASH memory cell U3, voltage monitoring unit U4 and clock crystal oscillator unit XT respectively; Described radio frequency interface unit M1 comprises coding, decoding, modulation, demodulation, emission, receiving circuit U5 and as the coil L of dual-mode antenna, described one chip microcomputer unit U1 can carry out data communication by coding, decoding, modulation, demodulation, emission, receiving circuit U5 and coil L and the in-plant IC-card of radio frequency interface unit M1; If be used for the remote IC-card of several meters of EFFECTIVE RANGE, coding, decoding, modulation, demodulation, emission, receiving circuit U5 can pass through the external antenna interface J2 of integrated circuit modules, use external amplifying circuit and antenna, carry out data communication with remote IC-card.Described one chip microcomputer unit U1 can be connected with ancillary equipment such as simple and easy keyboard, printer, background computers with switching value output circuit U8 by usb circuit U6, the RS232 interface circuit U7 of peripheral interface units M2; Switching value output interface J5 can directly drive the load type relay, and the LCD interface J1 of LCD driver element U2 can directly drive LCD; Among Fig. 1, J3 is a USB interface, and J4 is the RS232 interface.Among Fig. 1, one chip microcomputer unit U1 is the AT89C52 integrated circuit of American ATMEL, FLASH memory cell U3 is the AT29C020 integrated circuit of American ATMEL, coding among the radio frequency interface unit M1, decoding, modulation, demodulation, emission, receiving circuit U5 is the CM200 integrated circuit of Dutch PHILIPS company, integrated circuit among the LCD driver element U2 is SM410564, integrated circuit among the voltage monitoring unit U4 is IMP809L, integrated circuit among the usb circuit U6 is the CY2032 of U.S. CYPRESS company, and the integrated circuit among the RS232 interface circuit U7 is the MAX232CPE of U.S. MAXIUM company.In other embodiment of the present utility model, also integrated clock crystal oscillator unit not in the integrated circuit modules, described one chip microcomputer unit U1 directly is connected with external clock crystal oscillator unit.
In an embodiment of the present utility model; The pin of integrated circuit modules as shown in Figure 2, and is specific as follows: pin title explanation pin title explanation pin title illustrates that 1 T1 serial level inputs 2 T2 level and export 3 FRA switching values and export 4 OUT1 control output, 5 Rx serial ports and input 6 Tx serial ports and export 7 Vcc2 DC 3.6V, 8 DATA+ usb datas and connect 9 DATA-USB data-interfaces, 10 GND signal grounds, 11 GND signal grounds, 12 ANT1 antennas and input 13 ANT2 antennas and input 14 RESET, 15 LB under-voltage protections, 16 Vcc DC 3.6V, 17 LCD liquid crystal drive, 18 OUT2 State-outputs, the 19 BZ buzzers that reset and export the output of 20 LED luminous tubes
At the circuit diagram of radio frequency interface of the present utility model unit as shown in Figure 3, in Fig. 3, U be the model of Dutch PHILIPS company be CM200 be used to encode, decode, the integrated circuit of modulation, demodulation, emission, reception, D0-D7 is a data wire, A0-A3 is an address wire, and is connected with address wire with the data wire of one chip microcomputer respectively.Integrated clock crystal oscillator in the integrated circuit, L1 and L2 are the coils that uses as dual-mode antenna.
Claims (7)
1. integrated circuit modules that is used for the general off line type of non-contact IC card read write line, inside modules comprises one chip microcomputer unit (U1), FLASH memory cell (U3), LED driver element (U2), voltage monitoring unit (U4), peripheral interface units (M2), one chip microcomputer unit (U1) is respectively with FLASH memory cell (U3), LED driver element (U2), voltage monitoring unit (U4) directly is connected with peripheral interface units (M2), it is characterized in that: described inside modules also comprises radio frequency interface unit (M1), and described radio frequency interface unit (M1) comprises coding, decoding, modulation, demodulation, emission, receiving circuit (U5) and as the coil (L) of dual-mode antenna; Described one chip microcomputer unit (U1) is connected with clock crystal oscillator unit (XT) with radio frequency interface unit (M1) respectively.
2. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1 is characterized in that: the clock crystal oscillator unit (XT) in described one chip microcomputer unit (U1) and the module directly is connected.
3. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1 is characterized in that: described one chip microcomputer unit (U1) directly is connected with external clock crystal oscillator unit.
4. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1, it is characterized in that: described coding, decoding, modulation, demodulation, emission, receiving circuit (U5) can be by the pins of integrated circuit modules, connect and use external amplifying circuit and antenna.
5. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1 is characterized in that: described peripheral interface units (M2) comprises usb circuit (U6), RS232 interface circuit (U7) and switching value output circuit (U8).
6. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1 is characterized in that: described module is to adopt thick film technology, and each unit component is integrated on the module.
7. the integrated circuit modules that is used for the general off line type of non-contact IC card read write line according to claim 1 is characterized in that: described coding, decoding, modulation, demodulation, emission, receiving circuit (U5) are the integrated circuit of model C M200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229529 CN2603518Y (en) | 2003-03-19 | 2003-03-19 | IC module for contactless IC card reader-writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229529 CN2603518Y (en) | 2003-03-19 | 2003-03-19 | IC module for contactless IC card reader-writer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2603518Y true CN2603518Y (en) | 2004-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229529 Expired - Fee Related CN2603518Y (en) | 2003-03-19 | 2003-03-19 | IC module for contactless IC card reader-writer |
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| CN (1) | CN2603518Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964074A (en) * | 2010-09-29 | 2011-02-02 | 上海中科国嘉技术转移有限公司 | Radio-frequency electronic identifier and radio-frequency identification system and realization method thereof |
| CN102403244A (en) * | 2011-11-16 | 2012-04-04 | 无锡辐导微电子有限公司 | Method for manufacturing semiconductor chip |
| CN102427073A (en) * | 2011-11-07 | 2012-04-25 | 无锡辐导微电子有限公司 | Semiconductor chip and lead frame |
| CN104732180A (en) * | 2013-12-18 | 2015-06-24 | 北京同方微电子有限公司 | Non-contact IC card receiving path automatic delay calibration device and using method thereof |
-
2003
- 2003-03-19 CN CN 03229529 patent/CN2603518Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964074A (en) * | 2010-09-29 | 2011-02-02 | 上海中科国嘉技术转移有限公司 | Radio-frequency electronic identifier and radio-frequency identification system and realization method thereof |
| CN102427073A (en) * | 2011-11-07 | 2012-04-25 | 无锡辐导微电子有限公司 | Semiconductor chip and lead frame |
| CN102403244A (en) * | 2011-11-16 | 2012-04-04 | 无锡辐导微电子有限公司 | Method for manufacturing semiconductor chip |
| CN102403244B (en) * | 2011-11-16 | 2015-04-15 | 无锡辐导微电子有限公司 | Method for manufacturing semiconductor chip |
| CN104732180A (en) * | 2013-12-18 | 2015-06-24 | 北京同方微电子有限公司 | Non-contact IC card receiving path automatic delay calibration device and using method thereof |
| CN104732180B (en) * | 2013-12-18 | 2017-04-26 | 北京同方微电子有限公司 | Non-contact IC card receiving path automatic delay calibration device and using method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |