WO2008116362A1 - Integrated circuit card and method for transmitting data by radio communication thereof - Google Patents

Integrated circuit card and method for transmitting data by radio communication thereof Download PDF

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Publication number
WO2008116362A1
WO2008116362A1 PCT/CN2007/003874 CN2007003874W WO2008116362A1 WO 2008116362 A1 WO2008116362 A1 WO 2008116362A1 CN 2007003874 W CN2007003874 W CN 2007003874W WO 2008116362 A1 WO2008116362 A1 WO 2008116362A1
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WO
WIPO (PCT)
Prior art keywords
integrated circuit
card
antenna
contact
pin
Prior art date
Application number
PCT/CN2007/003874
Other languages
English (en)
French (fr)
Other versions
WO2008116362A8 (zh
Inventor
Yong Li
Rongjing Xu
Original Assignee
Beijing Watch Data System Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Watch Data System Co., Ltd. filed Critical Beijing Watch Data System Co., Ltd.
Priority to BRPI0721505-3A priority Critical patent/BRPI0721505A2/pt
Priority to US12/532,528 priority patent/US20100117800A1/en
Priority to EP07855875A priority patent/EP2133825A1/en
Priority to JP2009553886A priority patent/JP2010521752A/ja
Publication of WO2008116362A1 publication Critical patent/WO2008116362A1/zh
Publication of WO2008116362A8 publication Critical patent/WO2008116362A8/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07766—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07769—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the further communication means being a galvanic interface, e.g. hybrid or mixed smart cards having a contact and a non-contact interface

Definitions

  • the invention relates to an integrated circuit card and a method for wirelessly transmitting the same. Background technique
  • An integrated circuit card also known as an IC card, is packaged with an integrated circuit for storing and processing data. Since the birth of IC cards in the 1970s, IC cards have penetrated into every corner of social life, driven by the rapid development of microelectronics. Various cards have greatly facilitated people's lives: such as bank credit cards, The transportation card used by the bus, the time card used for management and access, and the SIM card used in the mobile phone.
  • the integrated circuit in the memory card is a programmable read-only memory EEPR0M that can be electrically erased. It only has a data storage function and no data processing capability; the memory card itself has no hardware encryption function.
  • the integrated circuit in the smart card (CPU card) card includes a central processing unit CPU, a programmable read only memory EEPROM, a random access RAM, and an in-card operating system COS (Chip Operating System). The data in the card is divided into an external reading part and an internal processing part to ensure the data in the card is safe and reliable.
  • the card defined by the ISO/IEC7816 standard is a contact IC card.
  • the integrated circuit chip embedded in the contact IC card has six pins. As shown in Fig. 1 and Fig. 2, these pins are respectively: VCC power supply voltage reference Pin, RST reset signal pin, CLK clock signal pin, GND ground pin, VPP programming voltage pin, I/O input/output pin, and these pins correspond to contacts Cl, C2 of card surface respectively C3, C5, C6, C7, where C4 and C8 are not used.
  • C6 is defined as the programming voltage (VPP) in ISO/IEC 7816.
  • the circuit itself is electrically isolated from the other pins on the IC card. Electrical isolation means that when 5V DC voltage is applied to it, the resistance between C6 and other pins is ⁇ 10 ⁇ . These pins and contacts are channels through which the IC card communicates with the outside through touch.
  • Non-contact IC card also known as RF card, proximity card, uses radio modulation and card reader for information exchange. Compared with contact IC card, it adds radio frequency to all pins including contact IC card. Module.
  • the integrated circuit chip embedded in the non-contact IC card is provided with a radio frequency module RF (Radio Freqency), and antenna pins LA and LB connected to the radio frequency module, and the antenna pins LA and LB are used for direct Electrically connected to an antenna disposed in the card base.
  • the non-contact IC card transmits and receives data to and from the outside world via the built-in antenna through the radio frequency module.
  • the production process of the built-in antenna needs to manually pick out the antenna pins from the card base and manually solder them on the antenna pins of the integrated circuit chip. This production process requires more manual participation, and the production efficiency is low and the quality is affected. Human factors have a large impact and are not conducive to mass production.
  • the integrated circuit chip structure embedded in the dual-interface IC card is shown in Figure 3, Figure 4, and Figure.
  • the pins correspond to the contacts C1, C2, C3, C5, C6, and C7 on the surface of the IC card, and the other two pins C4 and C8 are not used.
  • the integrated circuit chip embedded in the card is also provided with the RF module RF.
  • Corresponding antenna pins LA, LB which are used to directly connect to the antennas disposed in the card base.
  • the non-contact type IC card performs transmission and reception with external data via the built-in antenna through the wireless radio frequency module.
  • This dual-interface IC card has the advantages of both a contact card and a contactless card, and thus has a wide development space. Compared with the chip of the ordinary non-contact IC card, the chip of the dual interface IC card has the radio frequency module and the corresponding antenna pins LA, LB.
  • Antennas of traditional contactless smart cards are usually built into the card base, and the antennas are directly connected to the antenna pins LA, LB of the integrated circuit chip during the process.
  • the traditional dual-interface IC card has an internal antenna. The antenna is internally connected to the RF module of the integrated circuit. Only eight contacts can be seen on the outside, and the introduction of the external antenna cannot be realized.
  • the arrangement of the antenna is not separated from the integrated circuit chip in the practical application, thereby limiting the application thereof, for example, when the IC card is built in the mobile phone and realizes the non-contact function, since the IC card is to be built in, In the mobile phone, and to be compatible with the relevant specifications of telecommunications, the antenna obviously cannot be built in the IC card and can only be external.
  • a first object of the present invention is to provide an integrated circuit card in which an antenna can be externally mounted.
  • the integrated circuit card includes a card body and an integrated circuit chip packaged in the card body; the integrated circuit chip includes: a central processing unit connected to the memory via a data bus and an address bus; and wireless for radio frequency identification (FID) communication A radio frequency module and two antenna pins corresponding to the radio frequency module; the two antenna pins lead out of the card body.
  • FID radio frequency identification
  • the two antenna pins are led out of the card body by: two antenna contacts C9 and C10 are disposed on the surface of the card body, and the two antenna contacts C9 and C10 are electrically connected to the two antenna pins. .
  • the integrated circuit chip further includes: a power supply voltage pin VCC for supplying a power supply voltage to the integrated circuit chip; a ground pin GND for grounding the integrated circuit chip; and a reset for resetting the integrated circuit chip A pin RST; a clock signal pin CLK for supplying a clock signal to the integrated circuit chip; and an input/output pin I/O for contacting the data input/output.
  • the power voltage pin VCC, the reset pin RST, the clock signal pin CLK, the ground pin GND, the input/output pin I/O and the contact surface of the card body surface Cl, the contact C2, the contact C3, the touch Point C5 and contact C7 correspond to electrical connections.
  • the integrated circuit chip also includes a programming voltage pin VPP for providing a programming voltage to the integrated circuit chip, the programming voltage pin VPP being electrically coupled to a contact C6 with the surface of the card body.
  • the surface of the card body also includes two spare contacts C4 and C8.
  • the contacts of the surface of the integrated circuit card are divided into two connection areas, the contacts C9 and C10 are antenna connection areas for non-contact data, and the other contacts are contact data transmission connection areas.
  • the two antenna pins are electrically connected to an external antenna.
  • Another object of the present invention is to provide a method for wirelessly transmitting data between the above integrated circuit card and the outside world.
  • the technical solution adopted by the present invention is: the integrated circuit cartoon transmits an external antenna to perform radio frequency identification (RFID) communication with the outside world.
  • RFID radio frequency identification
  • the process of wirelessly transmitting data between the integrated circuit card and the outside world through the external antenna is: a wireless radio frequency module included in the integrated circuit chip of the integrated circuit card, and an external antenna electrically connected to the antenna pin on the card main body , Radio frequency identification (RFID) communication with the outside world.
  • RFID Radio frequency identification
  • the antenna pins LA and LB corresponding to the radio frequency module are directly connected to the antenna disposed in the card base.
  • the antenna pins LA and LB corresponding to the radio frequency module in the integrated circuit chip are respectively led out of the card main body, and the external antenna passes through the antenna pin and the integrated circuit of the lead card main body.
  • the card is electrically connected, so that the external portion of the antenna can be realized; the integrated circuit card of the present invention exchanges data with the outside through an external antenna, and the external coil form can be diversified, so the application of the integrated circuit card according to the present invention It will be more extensive.
  • FIG. 1 is a schematic structural view of an integrated circuit chip of a conventional contact IC card
  • FIG. 2 is a schematic structural view of a contact IC card including the integrated circuit chip shown in FIG. 1;
  • FIG. 3 is a schematic structural view of an integrated circuit chip of a conventional dual interface integrated circuit card;
  • FIG. 4 is a schematic diagram showing the structure of a dual interface IC card including the integrated circuit chip shown in FIG. 3;
  • FIG. 5 is a schematic diagram showing the appearance of the dual interface IC card shown in FIG.
  • FIG. 6 is a schematic structural view of a first embodiment of an integrated circuit card according to the present invention
  • 7 is a schematic structural view of a second embodiment of an integrated circuit card according to the present invention
  • FIG. 8 is a schematic structural view of a third embodiment of an integrated circuit card according to the present invention.
  • FIG. 9 is a schematic structural view of a fourth embodiment of an integrated circuit card according to the present invention.
  • Figure 10 is a schematic view showing the connection relationship between the pins of the integrated circuit chip and the surface contacts of the card in the present invention.
  • Figure 11 is a schematic view showing the internal structure of an integrated circuit card of the present invention.
  • Figure 12 is a block diagram showing an embodiment of an integrated circuit card of the present invention in which different coils are connected.
  • the present invention proposes a novel integrated circuit card and a method for transmitting information to the outside, and a specific embodiment of the present invention will be described below with reference to the accompanying drawings.
  • the integrated circuit card of the present invention comprises a card body 1 and an integrated circuit chip 2 provided on the card body 1.
  • the card body 1 includes one or more thermoplastic or thermosetting layers; the integrated circuit chip is a silicon wafer with integrated circuits, and the integrated circuit chip 2 is packaged inside the card body 1.
  • the integrated circuit chip 2 comprises:
  • RFID radio frequency identification
  • the two antenna pins lead out of the card body.
  • the antenna pin is directly electrically connected to the external antenna, and can perform radio frequency identification (RFID) communication with the outside through the external antenna under the control of the radio frequency module.
  • RFID radio frequency identification
  • the two antenna pins are led out of the card body by: two antenna contacts C9 and C10 are flush on the surface of the card body, and the two antenna contacts C9 and C10 are electrically connected to the two antenna pins. LA, LB.
  • the external antenna is directly connected to the integrated circuit card through the two antenna pins or through the two antenna contacts, so that the external antenna can be realized.
  • the integrated circuit card of the present invention can pass through the external antenna and the outside world. Data exchange.
  • the integrated circuit card of the present invention is a simple antenna external contactless integrated circuit card that does not support the transmission of contact data.
  • the integrated circuit card of the present invention supports both contactless data transmission and contact data transmission.
  • the integrated circuit chip 2 packaged in the integrated circuit card of the present invention further includes:
  • a power supply voltage pin VCC for supplying a power supply voltage to the integrated circuit chip
  • a reset pin RST for resetting the integrated circuit chip
  • a clock signal pin CLK for providing a clock signal to the integrated circuit chip
  • Input/output pin I/O for contact data input/output.
  • power supply voltage pin VCC reset pin RST
  • clock signal pin CLK ground pin
  • the integrated circuit card of the present invention is a novel dual interface smart card that supports both contact data transmission and contactless data transmission.
  • the setting of the external antenna of the integrated circuit card is an effective extension of the application of the traditional dual interface smart card, enriching the application of the dual interface smart card.
  • the integrated circuit chip 2 should also include:
  • a programmable voltage pin VPP for providing a programming voltage to an integrated circuit chip.
  • the programmable voltage pin VPP is electrically connected to the contact C6 that is flush with the surface of the card body.
  • the electrical connection of the programmable voltage pin VPP to the contact C6 that is flush with the surface of the card body is optional, as shown in FIG. C6 is defined as the programming voltage VPP in IS0/IEC 7816 and may not exist physically, but if C6 is present, it should be electrically isolated from the integrated circuit chip itself and other pins on the IC card. Electrical isolation means that the resistance between C6 and other pins is ⁇ 10 ⁇ when 5V DC is applied to it.
  • the integrated circuit card of the present invention is different from the conventional contact integrated circuit card in that the integrated circuit of the former includes a radio frequency RF module and corresponding antenna pins LA and LB, and the two antenna pins LA and LB are electrically connected to each other.
  • Antenna contacts C9, C10 that are flush with the surface of the card body.
  • the surface of the card body 1 of the integrated circuit card of the present invention further includes: two spare contacts C4 and C8.
  • the eight contacts C1 - C8 described above are fully compliant with the IS07816-2 standard.
  • the usage and electrical characteristics of the eight contacts are specified in IS07816-2.
  • the eight contacts are numbered Cl, C2, C3, C4, C5, C6, C7, C8.
  • the contact points are assigned as follows:
  • C4 is reserved for ISO/IECJTC 1/SC 17 and will be used by C8 for ISO/IECJTC 1/SC 17.
  • the contacts C9 and the contacts C10 of the integrated circuit card of the present invention can be flexibly arranged as needed, for example, at positions close to the contacts C4 and C8, or at both sides of the contacts C1 to C8.
  • the integrated circuit card of the present invention can exchange data with the outside world through the contact definition conforming to IS07816-2. Since the integrated circuit chip of the present invention is packaged inside the integrated circuit card, it is not visible from the outside of the integrated circuit card, and only 10 contacts can be seen from the outside of the integrated circuit card, and these contacts are integrated circuit card chips and Externally exchanged information window, where C1-C8 eight contacts support the application of a normal contact smart card, while C9 and C10 provide a window for the connection of the external antenna.
  • C1-C8 eight contacts support the application of a normal contact smart card
  • C9 and C10 provide a window for the connection of the external antenna.
  • the coil form of the external antenna can be variously square or circular, as shown in FIG. 10, FIG. 11, and FIG. 12, the application range of the integrated circuit card according to the present invention will be more extensive. Of course, several shapes of the external coil can be applied separately in combination with the above four embodiments.
  • the integrated circuit chip in the integrated circuit card of the present invention may further comprise an encryption module, as shown in Figure 11, which can secure the data in the card to a certain extent.
  • the encryption module can be applied separately in combination with the above four embodiments.
  • the frequency bands supported in this embodiment are 13.56 MHz and 915 MHz.
  • the contacts of the surface of the integrated circuit card of the present invention are divided into two connection areas, the contacts C1 - C8 are contact type data transmission connection areas, and the contacts C9, C10 are non-contact data antenna connection areas.
  • the package of the integrated circuit chip in the integrated circuit card of the invention is compatible with the IS07816-2 standard, including the power voltage pin, the reset signal pin, the clock signal pin, the ground pin, the input/output pin, the first spare pin and the first Two spare pins; at the same time, two contacts are added for the connection of the non-contact antenna for transmitting and receiving wireless data, and the integrated circuit chip should include the RF module circuit.
  • the integrated circuit chip and the radio frequency module are both disposed in the card body.
  • the integrated circuit card of the invention is suitable for smart cards, and is particularly suitable for the design and manufacture of dual interface smart cards and related products.
  • the related products here refer to products derived from dual-interface smart IC cards, such as embedded modules, IC card reading and writing devices, RF antennas, and RF readers.
  • the present invention also provides a method for wirelessly transmitting data between the above integrated circuit card and the outside world:
  • the integrated circuit card wirelessly transmits data to the outside through an external antenna.
  • the radio frequency module of the integrated circuit chip in the integrated circuit card is flush with the surface of the card body
  • the external antenna of the contact C9 and CI O is electrically connected to the outside world for data transmission.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
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Description

一种集成电路卡及其数据无线传输的方法
技术领域
本发明涉及一种集成电路卡及其数据无线传输的方法。 背景技术
集成电路卡又称为 IC卡，卡片内封装有集成电路，用以存储和处理数据。 自从 20世纪 70年代 IC卡诞生以来， 在飞速发展的微电子技术的带动下， IC 卡已经深入到社会生活的各个角落， 各种各样的卡大大方便了人们的生活： 如银行的信用卡， 公交车使用的交通卡， 出入管理使用的考勤卡以及手机中 使用的 SIM卡等等。
IC卡的发展经历了从存储卡到智能卡， 从接触式 IC卡到非接触式 IC卡 的过程。
存储卡内的集成电路是可用电擦除的可编程只读存储器 EEPR0M, 它仅具 有数据存储功能， 没有数据处理能力；存储卡本身无硬件加密功能。 智能卡 ( CPU卡）卡内的集成电路包括中央处理器 CPU、 可编程只读存储器 EEPR0M、 随机存储器 RAM 和固化在只读存储器 ROM 中的卡内操作系统 COS (Chip Operat ing Sys tem)。 卡中数据分为外部读取部分和内部处理部分， 确保卡中 数据安全可靠。
接触式 IC卡在被使用时， 读卡机具必须和卡的触点接触才能和卡进行信 息交换。 ISO/IEC7816标准定义的卡是接触式 IC卡，接触式 IC卡内所嵌的集 成电路芯片设有 6个引脚， 如图 1、 图 2所示， 这些引脚分别为： VCC电源电 压引脚、 RST复位信号引脚、 CLK时钟信号引脚、 GND接地引脚、 VPP编程电 压引脚、 I/O输入 /输出引脚， 同时， 这些引脚分别对应卡表面的触点 Cl、 C2、 C3、 C5、 C6、 C7 , 其中 C4和 C8不使用， C6在 ISO/ IEC 7816中定义为编程 电压（VPP ) ， 在物理上也可不存在， 但如果 C6存在的话， 则应将其同集成 电路本身和 IC卡上的其他引脚实行电隔离。 电隔离是指当对其加载 5V直流 电压时， C6与其他引脚间的电阻≥10ΜΩ。 这些引脚和触点， 是 IC卡通过 触 方式与外部进行信息交流的通道。
这种现有的接触式 IC卡在被使用时， 由于读卡机具必须和卡的触点接触 才能和卡进行信息交换， 所以磨损严重， 容易受污染， 使用寿命低， 操作速 度慢。
为此， 非接触式 IC卡技术迎运而生。 非接触式 IC卡又称射频卡、 感应 卡， 采用无线电调制方式和读卡机具进行信息交换， 与接触式 IC卡相比， 在 包括了接触式 IC卡的所有引脚外， 增加了无线射频模块。
非接触式 IC 卡内所嵌的集成电路芯片设有无线射频模块 RF (Radio Freqency) , 以及与该无线射频模块相对应连接的天线引脚 LA、 LB, 该天线引 脚 LA、 LB用来直接与设置在卡基中的天线电连接。 这种非接触式 IC卡通过 无线射频模块经由内置天线完成与外界数据的收发。 内置天线的生产工艺需 要将天线的引脚从卡基.中手工挑出， 并人工焊接在集成电路芯片的天线引脚 上， 这种生产工艺需要较多的人工参与， 生产效率底并且质量受人为因素影 响大， 不利于大量生产。
随着人们的需求， 一种既支持接触式数据交换也支持非接触式数据交换 的双界面 IC卡出现了， 该双界面 IC卡内所嵌的集成电路芯片结构如图 3、 图 4、 图 5所示设有 8个引脚： VCC电源电压引脚、 RST复位信号引脚、 CLK时钟 信号引脚、 GND接地引脚、 VPP编程电压引脚、 I/O输入 /输出引脚， 这些引脚 分别对应 IC卡表面的触点 Cl、 C2、 C3、 C5、 C6、 C7 , 另外两个引脚 C4和 C8 不使用， 此外， 卡内所嵌的集成电路芯片还设有与无线射频模块 RF (Radio Freqency)相对应的天线引脚 LA、 LB, 该天线引脚 LA、 LB用来直接与设置在 卡基中的天线电连接。 这种非接触式 IC卡通过无线射频模块经由内置天线完 成与外界数据的收发。 这种双界面 IC卡同时具备了接触卡和非接触卡共同的 优点，因此具有广泛的发展空间。 与普通的非接触式 IC卡的芯片相比， 双界面 IC卡的芯片具有无线射频 模块以及与其相对应的天线引脚 LA, LB。
传统的非接触式智能卡（包括双界面智能卡） 的天线通常内置在卡基当 中，在工艺过程中直接使天线连接在集成电路芯片的天线引脚 LA， LB上。 传统 的双界面 IC卡，天线为内置式，天线在内部与集成电路的射频模块连接，在外 观上只能看到 8个触点，无法实现外置天线的引入。 这种天线的设置方式， 在 实际应用中作为天线的线圏与集成电路芯片无法分离，从而限制了其应用场 合， 例如当 IC卡内置于手机中并实现非接触功能时，由于 IC卡要内置于手机 当中，且要兼容电信的相关规范，天线显然不能内置于 IC卡中而只能外置。 发明内容
本发明的第一目的在于提供一种天线能够外置的集成电路卡。
为实现上述目的， 本发明所采用的技术方案是：
该集成电路卡， 包括卡主体和封装在卡主体内的集成电路芯片； 该集成 电路芯片包括： 经数据总线和地址总线连接到存储器上的中央处理单元； 用 于无线射频识别 FID )通信的无线射频模块和与该无线射频模块相对应的 两个天线引脚； 该两个天线引脚引出卡主体。
其中， 所述两个天线引脚引出卡主体的方式为： 在卡主体表面设有两个 天线触点 C9和 C10,该两个天线触点 C9和 C10对应电连接于上述两个天线引 脚。
所述集成电路芯片还包括： 用于向该集成电路芯片提供电源电压的电源 电压引脚 VCC; 用于将该集成电路芯片接地的接地引脚 GND; 用于对该集成 电路芯片进行复位的复位引脚 RST;用于对该集成电路芯片提供时钟信号的时 钟信号引脚 CLK; 以及用于接触数据输入 /输出的输入 /输出引脚 I/O。 其中， 电源电压引脚 VCC、 复位引脚 RST、 时钟信号引脚 CLK、 接地引脚 GND、 输入 / 输出引脚 I/O与卡主体表面的触点 Cl、 触点 C2、 触点 C3、 触点 C5、 触点 C7 分别对应电连接。 所述集成电路芯片还包括用于对集成电路芯片提供编程电压的编程电压 引脚 VPP，该编程电压引脚 VPP被电连接到与卡主体表面的触点 C6。
所述卡主体的表面还包括两个备用触点 C4和 C8。
所述集成电路卡的表面的触点分为两个连接区， 触点 C9和触点 C10为非 接触数据的天线连接区， 其它触点为接触式数据传输连接区。
所述两个天线引脚电连接有外置天线。
本发明的另一目的在于提供一种上述集成电路卡与外界进行数据无线传 输的方法。 为达到该目的， 本发明所采用的技术方案是： 所述集成电路卡通 过外置天线与外界进行无线射频识别 （RFID )通信。 所述集成电路卡通过外 置天线与外界进行数据的无线传输的过程为： 集成电路卡中集成电路芯片所 包括的无线射频模块， 通过与该卡主体上的天线引脚电连接的外置天线， 与 外界进行无线射频识别 （RFID )通信。
现有天线内置的集成电路卡中， 与无线射频模块相对应的天线引脚 LA、 LB, 直接与设置在卡基中的天线电连接。 而本发明的集成电路卡， 由于其上 的集成电路芯片中与无线射频模块相对应的天线引脚 LA、 LB, 分别被引出卡 主体， 外部天线通过该引出卡主体的天线引脚与集成电路卡电连接， 这样能 够实现天线的外置； 本发明的集成电路卡通过外置天线与外界进行数据交换， 由于外置线圈形式可以多样化，因此， 本发明所述的集成电路卡的应用场合将 会更广泛。
附图说明
图 1是现有的接触式 IC卡的集成电路芯片结构示意图；
图 2是包含有图 1所示的集成电路芯片的接触式 IC卡结构示意图； 图 3是现有的双界面集成电路卡的集成电路芯片结构示意图；
图 4是包含有图 3所示的集成电路芯片的双界面 IC卡结构示意图； 图 5是图 4所示的双界面 IC卡的外观示意图；
图 6是本发明集成电路卡第一实施例的结构示意图； 图 7是本发明集成电路卡第二实施例的结构示意图；
图 8是本发明集成电路卡第三实施例的结构示意图；
图 9是本发明集成电路卡第四实施例的结构示意图；
图 10是本发明中集成电路芯片的引脚与卡表面触点之间的连接关系示意 图；
图 11是本发明集成电路卡内部结构示意图；
图 12是本发明集成电路卡连接不同线圈的实施例结构示意图。
具体实施方式
为了丰富非接触式智能卡的应用空间， 本发明提出一种新型的集成电路 卡及其与外界进行信息传输的方法， 下面结合附图来说明本发明的具体实施 方式。
实施例 1 :
如图 6所示， 本发明的集成电路卡， 包括卡主体 1和设在该卡主体 1上 的集成电路芯片 2。卡主体 1包括一个或多个热塑性或热固性层； 集成电路芯 片是带有集成电路的硅晶片， 集成电路芯片 2封装在卡主体 1内部。
其中， 集成电路芯片 2包括：
经数据总线和地址总线连接到存储器 R0M、 RAM. EEPR0M上的中央处理单 元 CPU;
用于无线射频识别 （RFID )通信的无线射频 ^块 RF以及与该无线射频模 块电连接的两个天线引脚 LA、 LB。
其中， 该两个天线引脚引出卡主体。 这样， 天线引脚与外置天线直接电 连接， 能够在无线射频模块控制下， 通过外置天线与外界进行无线射频识别 ( RFID )通信。
所述两个天线引脚引出卡主体的方式为： 在卡主体表面平齐设有两个天 线触点 C9和 C10,该两个天线触点 C9和 C10对应电连接于上述两个天线引脚 LA、 LB。 这样， 外部天线直接通过该两个天线引脚或通过该两个天线触点与集成 电路卡电连接， 能够实现天线的外置， 由此， 本发明的集成电路卡能够通过 外置天线与外界进行数据交换。
实施例 2:
从以上的描述可以看出， 本发明的集成电路卡是一种简单的天线外置的 非接触式集成电路卡， 不支持接触式数据的传输。 为了进一步增加本发明集 成电路卡的应用范围， 使得本发明的集成电路卡既支持非接触式数据传输也 支持接触式数据的传输。 为此， 如图 7 所示， 本发明的集成电路卡内部封装 的集成电路芯片 2还包括：
用于向该集成电路芯片提供电源电压的电源电压引脚 VCC;
用于将该集成电路芯片接地的接地引脚 GND;
用于对集成电路芯片进行复位的复位引脚 RST;
用于对集成电路芯片提供时钟信号的时钟信号引脚 CLK; 以及
用于接触数据输入 /输出的输入 /输出引脚 I/O。
其中， 电源电压引脚 VCC、 复位引脚 RST、 时钟信号引脚 CLK、 接地引脚
GND、 输入 /输出引脚 I/O与卡主体表面的触点 Cl、 触点 C2、 触点 C3、 触点 C5、 触点 C7分别对应电连接。
这样， 本发明的集成电路卡就是一种新型的双界面智能卡， 既支持接触 式数据传输， 也支持非接触式数据传输。 该集成电路卡的外置天线的设置， 是对传统双界面智能卡的应用所进行的有效扩展， 丰富了双界面智能卡的应 用场合。
实施例 3:
为了能够对上述集成电路卡内部的集成电路芯片进行编程， 下面介绍本 发明的第三种实施例。
如图 8所示， 该集成电路芯片 2还应包括：
用于对集成电路芯片提供编程电压的可编程电压引脚 VPP。 该可编程电压引脚 VPP与卡主体的表面平齐的触点 C6电连接。 当然， 可 编程电压引脚 VPP,与卡主体表面平齐的触点 C6的电连接为可选的， 如图 10 所示。 C6在 IS0/IEC 7816中定义为编程电压 VPP, 在物理上也可不存在， 但 如果 C6存在的话， 则应将其同集成电路芯片本身和 IC卡上的其他引脚实行 电隔离。 电隔离是指当对其加载 5V 直流电压时， C6 与其他引脚间的电阻 ≥10ΜΩ。本发明的集成电路卡与普通接触式集成电路卡的区别在于前者的集成 电路包含有无线射频 RF模块及相应的天线引脚 LA、 LB, 并且该两个天线引脚 LA、 LB对应电连接于与卡主体表面平齐的天线触点 C9 、 C10。
实施例 4:
如图 9所示， 本发明集成电路卡的卡主体 1表面还包括： 两个备用的触点 C4和 C8。
上面所述的八个触点 C1一 C8完全符合 IS07816-2标准。
IS07816 - 2中规定了 8个触点的用法和电气特性。 8个触点的编号是 Cl、 C2、 C3、 C4、 C5、 C6、 C7、 C8。 触 点 号的 分 配如下：
CI VCC ( 提供 电 压 ） C5 GND ( 地 ）
C2 RST ( 复位信 号 ） C6 VPP ( 编 程 电 压 ）
C3 CLK ( 时 钟信 号 ） C7 I /O ( 输入 / 输 出 ）
C4 留 给 ISO/ IECJTC 1/SC 17将 来使用 C8 留 给 ISO/IECJTC 1/SC 17将 来使用。
ISO/IEC7816-2中， 有关于 IC卡 8个触点排列方法的规定， 其中 8个触 点排成两列， 每列 4个， 每个触点尺度 2 x l. 7毫米， 列间距 5. 62毫米， 触 点纵向距离 1. 7毫米。
本发明集成电路卡的触点 C9和触点 C10, 可根据需要进行灵活布置， 比 如可在靠近触点 C4、 C8的位置排列， 也可在触点 C1一 C8的两侧布置。
据此， 本发明的集成电路卡可以通过符合 IS07816-2 的触点定义与外界 进行数据交换。 由于本发明中集成电路芯片是封装到集成电路卡内部的， 从集成电路卡 的外部看不到， 从集成电路卡外部只能看到 10个触点， 这些触点是集成电路 卡内芯片和外部交换信息的窗口，其中 C1-C8八个触点支持普通接触式智能卡 的应用，而 C9，C10 为外置天线的连接提供了窗口. 通过在该两个触点上电连 接外置天线， 由于外置天线的线圈形式可以多样化可为方形或圆形等， 如图 10、图 11、图 12所示， 因此本发明所述的集成电路卡的应用范围将会更广泛。 当然， 所述外置线圈的几种形状可以结合上述四个实施例分别应用。
为保护卡和卡中数据的安全， 在本发明的集成电路卡中的集成电路芯片 还可包括加密模块， 如图 11所示， 这样能在一定程度上卡中数据的安全。 加 密模块可以结合上述四个实施例分别应用。
作为举例说明， 本实施例中支持的频段为 13. 56MHZ和 915MHZ, 如图 12 所示， 圓形线圈支持 13. 56MHZ, 方形线圈支持 915MHZ, 在集成电路芯片功能 允许的情况下可以支持更多频段。
总的来说， 本发明集成电路卡的表面的触点分为两个连接区， 触点 C1— C8为接触式数据传输连接区， 触点 C9、 C10为非接触数据的天线连接区。
本发明集成电路卡中集成电路芯片的封装兼容 IS07816-2标准， 包括电 源电压引脚、 复位信号引脚、 时钟信号引脚、 接地引脚、 输入 /输出引脚， 第 一备用引脚和第二备用引脚； 同时增加两个触点专用于非接触天线的连接，用 于发送接收无线数据，集成电路芯片应包括射频模块电路。 所述的集成电路芯 片与射频模块均设在卡体内。
本发明的集成电路卡适用于智能卡， 特别适用于双界面智能卡及其相关 产品的设计制造领域。这里的相关产品是指由双界面智能 IC卡衍生出的产品， 如嵌入式模块、 IC卡读写设备、 射频天线、 射频读写器等。
此外， 本发明的还提供了一种上述集成电路卡与外界进行数据无线传输 的方法： 集成电路卡通过外置天线与外界进行数据的无线传输。
集成电路卡内集成电路芯片的无线射频模块， 通过与该卡主体表面平齐 的触点 C9、 CI O电连接的外置天线， 与外界进行数据的无线传输。 - 以上所述， 仅为本发明较佳的具体实施方式， 但本发明的保护范围并不 局限于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可 轻易想到的变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明 的保护范围应该以权利要求书的保护范围为准。

Claims

权利 要求 书
1、 一种集成电路卡， 包括卡主体和封装在卡主体内的集成电路芯片； 该集成电路芯片包括：
经数据总线和地址总线连接到存储器上的中央处理单元；
用于无线射频识别通信的无线射频模块和与该无线射频模块相对应的两 个天线引脚；
其特征在于： 该两个天线引脚引出卡主体。
2、 如权利要求 1所述的集成电路卡， 其特征在于： 所述两个天线引脚引 出卡主体的方式为： 在卡主体表面设有两个天线触点 C9和 C10, 该两个天线 触点 C9和 C10对应电连接于上述两个天线引脚。
3、 如权利要求 2所述的集成电路卡， 其特征在于： 所述集成电路芯片还 包括： 用于向该集成电路芯片提供电源电压的电源电压引脚 VCC;
用于将该集成电路芯片接地的接地引脚 GND;
用于对该集成电路芯片进行复位的复位引脚 RST;
用于对该集成电路芯片提供时钟信号的时钟信号引脚 CLK; 以及 用于接触数据输入 /输出的输入 /输出引脚 I/O;
其中， 电源电压引脚 VCC、 复位引脚 RST、 时钟信号引脚 CLK、 接地引脚 GND、 输入 /输出引脚 I/O与卡主体表面的触点 Cl、 触点 C2、 触点 C3、 触点 C5、 触点 C7分别对应电连接。
4、 如权利要求 3所述的集成电路卡， 其特征在于： 所述集成电路芯片还 包括用于对集成电路芯片提供编程电压的编程电压引脚 VPP，该编程电压引脚 VPP被电连接到与卡主体表面的触点 C6。
5、 如权利要求 3或 4所述的集成电路卡， 其特征在于： 所述卡主体的表 面还包括两个备用触点 C4和 C8。
6、 如权利要求 3或 4所述的集成电路卡， 其特征在于： 所述集成电路卡 的表面的触点分为两个连接区， 触点 C9和触点 C10为非接触数据的天线连接 区， 其它触点为接触式数据传输连接区。
7、 如权利要求 5所述的集成电路卡， 其特征在于: 所述集成电路卡的表 面的触点分为两个连接区， 触点 C9和触点 C10为非接触数据的天线连接区， 其它触点为接触式数据传输连接区。
8、 如权利要求 1、 2、 3或 4所述的集成电路卡， 其特征在于： 所述两个 天线引脚电连接有外置天线。
9、 一种如权利要求 1、 2、 3或 4所述的集成电路卡与外界进行数据无线 传输的方法， 其特征在于： 所述集成电路卡通过外置天线与外界进行无线射 频识别通信。
10、 如权利要求 9 所述的集成电路卡与外界进行数据无线传输的方法， 其特征在于： 所述集成电路卡通过外置天线与外界进行数据的无线传输的过 程为： 集成电路卡中集成电路芯片所包括的无线射频模块， 通过与该卡主体 上的天线引脚电连接的外置天线， 与外界进行无线射频识别通信。
- u -
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BRPI0721505A2 (pt) 2014-02-11
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