CN100474332C - Smart card and method for expansion of interface on smart card - Google Patents
Smart card and method for expansion of interface on smart card Download PDFInfo
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- CN100474332C CN100474332C CNB2006101147367A CN200610114736A CN100474332C CN 100474332 C CN100474332 C CN 100474332C CN B2006101147367 A CNB2006101147367 A CN B2006101147367A CN 200610114736 A CN200610114736 A CN 200610114736A CN 100474332 C CN100474332 C CN 100474332C
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Abstract
This invention relates to a intelligent card and integration circuit chip design and application field and especially to one new type of intelligent card design and application with high speed transmission interface and large data memory, which integrates multiple user identification module on one intelligent card, wherein, the card can extend each interface circuit on original base through adding PAD number to realize the extending function on the card.
Description
Technical field
The invention belongs to smart card/design of integrated circuit and application, relate in particular to and possess the high-speed transfer interface, the novel smart card design of mass data storage and using, be specially a kind of on smart card the method and the smart card thereof of expansion interface.
Background technology
Smart card is IC-card again, is that a kind of integrated circuit (IC) chip that will have storage, encryption and data-handling capacity is embedded in the card in the plastic substrate.Smart card is of a great variety, divides according to the chip of setting-in, is divided into memory card and microprocessor card two big classes; Divide according to card and extraneous data delivery form, can be divided into contact and contactless two kinds.Smart card among the present invention is meant the microprocessor card of contact, especially plug-in SIM card (ID-000 format card).The fundamental characteristics of smart card and function have defined in ISO/IEC7 816 series standards.
At present, SIM card has not only obtained widespread use as a kind of smart card that is applied in moving communicating field, but also has effectively promoted developing rapidly and widespread usage of mobile communication technology.SIM card also is the most successful model of current application of IC cards.
Smart card stipulates have 8 contacts to use in the ISO7816 standard, conventional smart card has used wherein 5 contacts to be used for being connected with outside usually.Some novel smart card chips of Chu Xianing are on the basis of traditional intelligent card chip in recent years, 8 contacts (Pad) are all used, and use the pin multiplexing technology to realize multiple high-speed interface integrated and multiplexing on above-mentioned eight contacts; For example, except traditional ISO 7816 interfaces, increase and multiplexing USB interface the SD/MMC interface; Embodiment can be with reference to patent " method of integrated multiple transmission interface and novel smart card on smart card " (number of patent application 200610113738.4).But even so, the development of new application still is limited by the quantity of the external physical interface of smart card, need externally carry out the complicated control and the application of great amount of data transmission for those, and obvious 8 contacts are not enough.
Along with developing rapidly and popularization and application of mobile communication technology, particularly the functional requirement of SIM card is more and more higher to smart card; For example, on SIM card, realize RFID function, integrated application processor or other function of externally controlling (MP3, MPEG4, LCD control) or the like; Even these novel smart cards have possessed high speed data transfer, the characteristics of mass data processing, but owing to still adopt traditional physical interface form (ISO7816 standard, 8 Pad), the performance of its function expansion and ability is subjected to great restriction.
Summary of the invention
The objective of the invention is at current mobile communication technology the requirement of smart card on function, is characteristic and the data-handling capacity that improves smart card, and the method and the smart card thereof of expansion interface on smart card that provides.
Technical scheme of the present invention is as follows: a kind of on smart card the method for expansion interface, this method is encapsulated in a subscriber identification module and other embedded application module on the same intelligent card matrix, and on intelligent card matrix, provide one to overlap standard SIM card contact, subscriber identification module is used 5 contact C1 of smart card according to the regulation of ISO/IEC7816 standard, C2, C3, C5 and C7, by to the utilization of idle contact C4 and C8 or increase new contact and come the expanded circuit interface, described other embedded application module is application processor and controller chip, and a cover expansion PAD array is provided on intelligent card matrix; Expansion PAD array can be provided with on the next door of subscriber identification module, perhaps is provided with at the back side of intelligent card matrix.
Outside last method, the present invention also provides the novel intelligent card structure that uses these method institute specific designs.
A kind of novel smart card, comprise intelligent card matrix and the subscriber identification module that is encapsulated on the card base, the card base is provided with a cover standard SIM card contact, on intelligent card matrix, also be packaged with embedded application processor and controller chip, subscriber identification module is connected with 5 contact C1, C2, C3, C5 and C7 of smart card according to the regulation of ISO/IEC7816 standard, be provided with expansion PAD array on the next door of subscriber identification module or the back side of intelligent card matrix, embedded application processor is connected with expansion PAD array with controller chip.
Effect of the present invention is: the present invention is for realization multiple interfaces host-host protocol in smart card, and maintenance and traditional maximum compatibility of card-reading terminal equipment realization, and several novel smart cards contact extended method is provided.These smart cards are on the ordering and type of attachment basis of invariable of original 8 contacts, by increasing PAD quantity, expansion various interface circuit, realized on intelligent card chip, increasing the purpose of function and the more applications of expansion, satisfied current mobile communication technology the requirement of smart card on function.
Description of drawings
Fig. 1 is a Plug-in SIM card dimensional drawing.
Fig. 2 is a Plug-in SIM card contact arrangement mode synoptic diagram.
Fig. 3 makees RFID antennal interface synoptic diagram for utilizing idle PAD.
Fig. 4 is for utilizing the PAD that increases as RFID antennal interface synoptic diagram.
Fig. 5 increases PAD array structure synoptic diagram for the SIM card coplanar.
Fig. 6 is a not coplanar increase PAD array structure synoptic diagram of SIM card.
Fig. 7 increases row's formula PAD structural representation at the SIM card avris.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
1. card is gone up the RFID module is installed.
Along with developing rapidly of mobile communication technology, increasing user wishes that mobile phone possesses the function cooperation ecommerce of RFID; At present intelligent card chip has been realized the application in a lot of fields at the RFID technical elements, in order better the RFID technology and the mobile phone of smart card to be combined, can be on PLUG-IN SIM card as depicted in figs. 1 and 2 the integrated rfid module.RFID module volume is very little at present, can be packaged together or be encapsulated in card with sim module and go up the optional position, and its antenna part can be placed in mobile phone pcb board or other parts of mobile phone.This just need reserve two contacts and provide interface for the antenna of RFID on card.
On traditional SIM card, can utilize idle pad (as C4, C8) as the antennal interface of RFID, as shown in Figure 3.
On New type of S IM card, be 200610113738.4 patented claim " method of integrated multiple transmission interface and novel smart card on smart card " as application number, except traditional ISO 7816 interfaces, increase and multiplexing USB interface the SD/MMC interface; 8 contacts (pad) are all used.As the RFID module being integrated into again (existing double-interface card on the existing market on this kind New type of S IM card, it is integrated SIM and RFID function), then need to increase by two PAD (C9, C10) as the antennal interface of RFID, two PAD of expansion as the antennal interface of RFID with place the RFID antenna in the mobile phone to be used, as shown in Figure 4.
2. extension application interface on the novel smart card chip.
New type of S IM the core of the card sheet possesses very strong data processing function, mass data storage capability and interface at a high speed; Mobile communication service provider wishes that the SIM card chip can possess the more data processing capacity so that the more effective telecommunications service that provide of uniform data interface standard.Need in SIM card, increase various application processor module, as MP3 decoding device etc.; Perhaps need control as LCD, Micphone, Keypad, and the utilization of PAD reach capacity, provide interface for the processor and the controller of various application programs so must expand more PAD by SIM card directly to the internal resource of mobile phone.
Consider and realize compatible with traditional terminal, 8 physical aspect interfaces that meet the ISO7816 standard code still are provided on the card, place the subscriber identification module of a standard, application processor that other are embedded and controller chip use the PAD interface of expansion to be connected with the outside.Owing to need the number of signals of externally connection more, can reach tens signals, realize so can place expansion PAD array, as shown in Figure 5 by the next door of subscriber identification module on SIM card.Certainly, also can realize, as shown in Figure 6 at SIM card module back side encapsulation PAD array.Also can realize, as shown in Figure 7 by a certain banding dress row formula contact at card.Perhaps adopt other outward appearances to realize.
Method of the present invention and smart card are not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other embodiment, belongs to technological innovation scope of the present invention equally.
Claims (2)
1. the method for an expansion interface on smart card, this method is encapsulated in a subscriber identification module and other embedded application module on the same intelligent card matrix, and on intelligent card matrix, provide one to overlap standard SIM card contact, subscriber identification module is used 5 contact C1 of smart card according to the regulation of ISO/IEC7816 standard, C2, C3, C5 and C7, by to the utilization of idle contact C4 and C8 or increase new contact and come the expanded circuit interface, it is characterized in that: other the embedded application module described in this method is application processor and controller chip, and a cover expansion PAD array is provided on intelligent card matrix; Expansion PAD array is provided with on the next door of subscriber identification module, perhaps is provided with at the back side of intelligent card matrix.
2. novel smart card that uses the described method expansion interface of claim 1, comprise intelligent card matrix and the subscriber identification module that is encapsulated on the card base, the card base is provided with a cover standard SIM card contact, it is characterized in that: on intelligent card matrix, also be packaged with embedded application processor and controller chip, subscriber identification module is according to the regulation of ISO/IEC7816 standard and 5 contact C1 of smart card, C2, C3, C5 is connected with C7, be provided with expansion PAD array on the next door of subscriber identification module or the back side of intelligent card matrix, embedded application processor is connected with expansion PAD array with controller chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101147367A CN100474332C (en) | 2006-11-22 | 2006-11-22 | Smart card and method for expansion of interface on smart card |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101147367A CN100474332C (en) | 2006-11-22 | 2006-11-22 | Smart card and method for expansion of interface on smart card |
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| CN1952957A CN1952957A (en) | 2007-04-25 |
| CN100474332C true CN100474332C (en) | 2009-04-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404066B (en) * | 2008-01-14 | 2011-07-20 | 深圳市江波龙电子有限公司 | Smart card cooperated with SIM card and its data processing method |
| CN101847217A (en) * | 2010-05-26 | 2010-09-29 | 武汉天喻信息产业股份有限公司 | Telecommunication smart card for realizing non-contact communication |
| CN101853421A (en) * | 2010-06-07 | 2010-10-06 | 武汉天喻信息产业股份有限公司 | Telecom intelligent card for realizing near field communication (NFC) function |
| CN102169553B (en) * | 2011-02-14 | 2012-08-22 | 江苏长电科技股份有限公司 | Method for encapsulating and manufacturing glue perfusion molded SIM (subscriber identity module) film card with flip naked chip |
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Owner name: RDA MICROELECTRONICS (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: PHOENIX MICROELECTRONICS (CHINA) CO., LTD. Effective date: 20100422 |
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Free format text: CORRECT: ADDRESS; FROM: 100084 18/F, TOWER A, SCIENCE BUILDING, QINGHUA SCIENCE PARK, ZHONGGUANCUN EAST ROAD, HAIDIAN DISTRICT, BEIJING CITY TO: 201203 ROOM 302, BUILDING 2, NO.690, BIBO ROAD, ZHANGJIANG HIGH-TECH PARK, SHANGHAI CITY |
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Effective date of registration: 20100422 Address after: 201203. Room 2, building 690, No. 302 blue wave road, Zhangjiang hi tech park, Shanghai Patentee after: RDA Microelectronics (Shanghai) Corp. Ltd. Address before: 100084, Beijing Road, Zhongguancun, Haidian District science and Technology Park, Tsinghua Science and technology building, block A, 18 Patentee before: Poenix Mcroelectronic (China) Co., Ltd. |