CN2554731Y - Double IC card read-write device - Google Patents
Double IC card read-write device Download PDFInfo
- Publication number
- CN2554731Y CN2554731Y CN 02231805 CN02231805U CN2554731Y CN 2554731 Y CN2554731 Y CN 2554731Y CN 02231805 CN02231805 CN 02231805 CN 02231805 U CN02231805 U CN 02231805U CN 2554731 Y CN2554731 Y CN 2554731Y
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- CN
- China
- Prior art keywords
- card
- master controller
- interface unit
- read
- contact type
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a double-IC card reading-writing device. The utility model comprise a contact type IC card interface unit, an SAM card interface unit, a main controller crystal oscillator, a main controller, a guard circuit and an interface unit with extending functions, and the contact type IC card interface unit, the SAM card interface unit, the main controller crystal oscillator, the interface unit with extending functions are respectively connected with the main controller. The reading-writing device can perform identification and data exchanging to the two IC cards conveniently, rapidly and simultaneously. The design of the device is simple and reasonable, the use is convenient, and the promotion and the application of the device are easy.
Description
Technical field
The utility model relates to a kind of IC-card read-write equipment, particularly a kind of Contact Type Ic Card read-write equipment that can carry out exchanges data simultaneously with two IC-cards by microprocessor control.
Background technology
Existing various Contact Type Ic Card read-write equipment can only carry out exchanges data with an IC-card at every turn, has influenced the convenience of work efficiency and use.
Summary of the invention
The purpose of this utility model provides a kind of working stability, can carry out the Contact Type Ic Card read-write equipment of exchanges data simultaneously with at least two IC-cards.
In order to achieve the above object, technical solutions of the utility model are as follows:
A kind of pair of IC-card read-write equipment comprises:
The clock signal that at least one Contact Type Ic Card interface unit, this unit are provided by a crystal oscillator (frequency is 3.579Hz) drives, and electrically contacts limit by tangible on the Contact Type Ic Card, master controller is linked to each other with the integrated circuit of IC-card carry out exchanges data;
At least one SAM card unit, this unit is driven by the clock signal that a crystal oscillator (frequency is 3.579Hz) provides, and master controller is linked to each other with the SAM card, carries out exchanges data;
At least one master controller crystal oscillator provides the work that a clock signal drove and coordinated master controller, to realize various functions;
The master controller that at least one is made of microprocessor carries out exchanges data and processing with IC-card, controls every function;
At least one watchdog circuit, the monitoring master controller moves under normal duty, and the protection master controller can not damage it because of receiving improper data;
At least one has the interface unit of expanded function, and power supply provides required operating voltage or electric current by this interface to whole device; Whole device also can link to each other with upper PC by the RS232 interface (external interface) in this unit and carry out exchanges data and function expansion.
The interface circuit unit of Contact Type Ic Card interface unit, SAM card unit, master controller crystal oscillator, watchdog circuit, tool expanded function is connected with master controller respectively.
In preferred version of the present utility model, described read-write equipment also comprises at least one duty display lamp, and according to the residing duty of indicated number device of master controller, display lamp links to each other with master controller.
Owing to adopt above-mentioned structure, the utility model can carry out exchanges data with two IC-cards simultaneously, and the device simplicity of design is reasonable, easy to use, and high efficiency is easy to promotion and application.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the circuit diagram of a kind of embodiment of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
As illustrated in fig. 1 and 2, a kind of pair of IC-card read-write equipment comprises:
The clock signal that at least one Contact Type Ic Card interface unit, this unit are provided by a crystal oscillator (frequency is 3.579Hz) drives, and electrically contacts limit by tangible on the Contact Type Ic Card, master controller is linked to each other with the integrated circuit of IC-card carry out exchanges data;
At least one SAM card unit, this unit is driven by the clock signal that a crystal oscillator (frequency is 3.579Hz) provides, and master controller is linked to each other with the SAM card, carries out exchanges data;
At least one master controller crystal oscillator provides the work that a clock signal drove and coordinated master controller, to realize various functions;
The master controller that at least one is made of microprocessor carries out exchanges data and processing with IC-card, controls every function;
At least one watchdog circuit, the monitoring master controller moves under normal duty, and the protection master controller can not damage it because of receiving improper data;
At least one has the interface unit of expanded function, and power supply provides required operating voltage or electric current by this interface unit to whole device; Whole device also can link to each other with upper PC by the RS232 interface (external interface) in this unit and carry out exchanges data and function expansion;
At least one red, green dichromatism duty display lamp is according to the residing duty of indicated number device of master controller.
Contact Type Ic Card interface unit, SAM card unit, master controller crystal oscillator, watchdog circuit, the interface circuit unit of tool expanded function, display lamp are connected with master controller respectively.
Upper PC interface unit links to each other with PC by its inner RS232 chip: an interface with the PS/2 of PC in two PS/2 interfaces of P is connected, another is connected with the working power of acquisition+5V with keyboard/mouse, and carries out exchanges data with PC.
After the serial port of read-write equipment and PC and PS/2 mouth were connected, this read-write equipment began to work on power, and the LED working station indicator flashes for several times that the back point sends out a warning.
The master controller of read-write equipment is made of the MCS-52 series monolithic, and the frequency of operation of master controller is provided by crystal oscillator, and its frequency is 11.0592Hz.Read-write equipment detects external interrupt signal by master controller and determines the residing state of current read-write cell.After having IC-card or SAM card to insert in IC-card read-write cell or the SAM card read-write cell, this read-write cell electrically contacts limit by tangible on Contact Type Ic Card or the SAM card, the integrated circuit of master controller with IC-card or SAM card is connected, master controller by detected external interrupt signal confirm current this read-write cell be in the card state is arranged after, read-write equipment works on power for automatically the IC-card or the SAM card that insert, and LED working station indicator point gives a green light.At this moment, the user can stick into operations such as row read-write to IC-card or the SAM that inserts by PC.In the process to IC-card or the operation of SAM card, the LED working station indicator flashes green.
When the user extracts IC-card or SAM card from read-write equipment after, read-write equipment will be automatically to IC-card electricity down, master controller confirms that by detected look-at-me current read-write cell is in no card state, read-write equipment is returned to holding state
In order to prevent that read-write equipment is subjected to the influence of outside improper factor, in internal circuit, selected for use that the anti-jamming circuit (watchdog circuit) that is made of the X5045 chip faces control in real time, can work normally for a long time to guarantee read-write equipment.Simultaneously, also have the EEPROM external data memory in the X5045 chip, can provide to the user and make p.m.entry etc.
The Contact Type Ic Card read-write cell of read-write equipment can carry out read-write operation to following arbitrary IC-card:
A storer (Memory) card comprises: the AT2401A/24C02/24C04/24C08/24C16/AT24C64 of American ATMEL, AT88SC102, AT88SC1604/1604B, AT45D041, AT93C46/93C46A card; The SLE4432/4442 of SIEMENS company, SLE4418/4428, SLE4404, SLE4406 card; And the compatible cards of other company (ISSI 24C01A/16).
B.CPU card (the T=0/T=1 communications protocol that meets 7816 standards).
The SAM card read-write cell of read-write equipment can only stick into operations such as row read-write, authentication to the SAM that meets 7816 standards and meet the T=0/T=1 communications protocol.
As known by the technical knowledge, the utility model can be realized by other embodiment that does not break away from tool spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the present utility model all be included in the utility model.
Claims (2)
1, a kind of pair of IC-card read-write equipment is characterized in that: comprising:
At least one Contact Type Ic Card interface unit;
At least one SAM card unit;
At least one master controller crystal oscillator;
The master controller that at least one is made of microprocessor;
At least one watchdog circuit;
At least one has the interface unit of expanded function;
The interface unit of Contact Type Ic Card interface unit, SAM card unit, master controller crystal oscillator, watchdog circuit, tool expanded function is connected with master controller respectively.
2, according to claim 1 pair of IC-card read-write equipment is characterized in that described read-write equipment also comprises at least one working station indicator, and according to the duty of the indicated number read write line of master controller, pilot lamp is connected with master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231805 CN2554731Y (en) | 2002-05-28 | 2002-05-28 | Double IC card read-write device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231805 CN2554731Y (en) | 2002-05-28 | 2002-05-28 | Double IC card read-write device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2554731Y true CN2554731Y (en) | 2003-06-04 |
Family
ID=33707430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02231805 Expired - Fee Related CN2554731Y (en) | 2002-05-28 | 2002-05-28 | Double IC card read-write device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2554731Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108801A (en) * | 2018-01-04 | 2018-06-01 | 西安普瑞米特科技有限公司 | A kind of simulating contact Formulas I C cards realize the device and reading/writing method of reading and writing data |
-
2002
- 2002-05-28 CN CN 02231805 patent/CN2554731Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108801A (en) * | 2018-01-04 | 2018-06-01 | 西安普瑞米特科技有限公司 | A kind of simulating contact Formulas I C cards realize the device and reading/writing method of reading and writing data |
| CN108108801B (en) * | 2018-01-04 | 2020-11-06 | 西安普瑞米特科技有限公司 | Device for realizing data read-write by simulating contact type IC card and read-write method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Wenjun Document name: Notification of Termination of Patent Right |
|
| 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 |