WO2021128583A1 - 一种sim卡和sd卡二合一控制芯片及其控制方法 - Google Patents

一种sim卡和sd卡二合一控制芯片及其控制方法 Download PDF

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Publication number
WO2021128583A1
WO2021128583A1 PCT/CN2020/077427 CN2020077427W WO2021128583A1 WO 2021128583 A1 WO2021128583 A1 WO 2021128583A1 CN 2020077427 W CN2020077427 W CN 2020077427W WO 2021128583 A1 WO2021128583 A1 WO 2021128583A1
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interface
card
sim
data
sim card
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PCT/CN2020/077427
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English (en)
French (fr)
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李虎
陶立平
刘政宏
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深圳市德明利技术股份有限公司
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Publication of WO2021128583A1 publication Critical patent/WO2021128583A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668—Details of memory controller
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • 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

Definitions

  • the present invention relates to the field of smart devices, in particular to a SIM card and SD card two-in-one control chip and a control method thereof.
  • Smart devices such as mobile phones, as people's production and life tools, have penetrated into people's lives.
  • mobile phones There are two types of mobile phones on the market, one is to support Micro SD card expansion, and the other is not to support Micro SD card expansion.
  • a Micro SD card/SIM card two-in-one card slot is generally used, one card slot is used to place the SIM card, and the other card slot is used to place the Micro SD card, so as to meet the mobile phone communication and memory
  • the need for expansion causes mobile phone users to either use the dual SIM card standby function and cannot perform memory expansion, or a single SIM card is standby and the other card slot is used for memory expansion. Therefore, simultaneously implementing the communication function of the SIM card and the memory expansion of the Micro SD card in a single card slot can significantly improve the user experience.
  • the patent number is CN200620064756.3 and the patent named "Large Capacity SIM Card” discloses a large capacity SIM card. Its design principle is to introduce a highly integrated SIM card into the structure of the existing SIM card.
  • MMC memory card structure this memory card structure includes MMC controller, NAND FLASH controller and NAND FLASH storage unit. As shown in Figure 2 of the patent document, on the basis of the SIM card 1, the MMC memory card structure is connected to form the SIM card 2 (that is, the SIM card system), so that the SIM card can achieve large-capacity storage.
  • the MMC card storage structure in the comparison file integrates the storage chip and the control module.
  • the NAND FLASH storage unit needs a special production process (such as eflash).
  • the main purpose of the present invention is to provide a SIM card and SD card two-in-one control chip, which aims to solve the technical problem of improving the control structure of the existing large-capacity SIM card to facilitate mass production of large-capacity SIM cards.
  • the present invention provides a SIM card and SD card two-in-one control chip, including:
  • CPU used to run the firmware program, coordinate the operation of each functional module in the SIM card and SD card combo control chip according to the requirements of the firmware program;
  • ROM used to store firmware programs
  • Data storage used to store SIM card key, PUK code, storage user phone number, short message, storage of key parameters used by SD card, program code and key used by SD card, among them, data storage includes EEPROM or MTP;
  • SIM interface controller used for SIM interface communication and processing telecommunication business commands
  • SD protocol controller used for parsing the SD interface communication protocol, processing commands, receiving data from the host or returning the data required by the host;
  • the flash memory controller is used for the communication of the flash memory chip interface, realizes the flash memory chip reading, programming and erasing commands, and receives or sends the data of the flash memory chip interface;
  • DMA data path controller used to coordinate the data transmission between the SD interface and the flash chip interface, and optimize the internal data flow
  • Dedicated algorithm module used to implement the encryption algorithm used by the SIM card, the ECC data error correction algorithm used by the SD card, the management acceleration algorithm of the flash memory chip, and the encryption algorithm used by the encrypted SD card;
  • SIM interface used to connect external SIM contacts and communicate with external terminals via SIM interface
  • SD interface used to connect external SD contacts and communicate with external terminals through SD interface
  • the timeout timer is used to ensure that the CPU can respond to the command of the SD interface communication in time
  • RAM used to store variables used by the program, buffer user data and store data
  • the SIM card and SD card two-in-one control chip is used for telecommunications service command processing, SIM interface communication with external terminals, and control and management of the flash memory chip, and transfer the data to be stored obtained by the external terminal SD interface to the flash memory chip. And communicate with the external terminal via SD interface.
  • the flash memory controller, DMA data controller, SD protocol controller, RAM, dedicated algorithm module, ROM, SIM interface controller, and timeout timer are all electrically connected to the CPU;
  • the SD protocol controller is electrically connected to the SD interface
  • the SIM interface controller is electrically connected to the SIM interface
  • the SIM interface controller is electrically connected to the data storage
  • the SD interface is electrically connected with the SD contact
  • the SIM interface is electrically connected with the SIM contact.
  • the dedicated algorithm module includes A3 and A8 encryption algorithms and a national secret algorithm, wherein the encryption algorithm is used for the SIM card, and the national secret algorithm is used for encrypting data used by the SIM card and the SD card.
  • the SD interface version includes SD1.0, SD2.0, SD3.0, SD4.0, SD5.0, SD6.0 and SD7.0;
  • the SIM interface complies with the ISO/IEC 7816 protocol.
  • the SIM card and SD card two-in-one control chip is provided with a SIM interface aluminum pad and an SD interface aluminum pad;
  • Each SIM interface aluminum pad is electrically connected with external SIM contacts
  • the SD interface aluminum pad includes a first pad and a second pad.
  • the first pad is electrically connected to an external SD contact, and the second pad is electrically connected to the flash memory chip.
  • the SIM card and SD card two-in-one control chip further includes: a power management module, a clock generation module, and a voltage detection module.
  • the CPU, RAM, ROM, data memory module, power management module and clock generation module are all SIM card and SD card function multiplexing modules.
  • the present invention also provides a control method of the SIM card and SD card two-in-one control chip, including:
  • the CPU interrupts the processing of the SD interface commands that require data transmission, and prioritizes the processing of the SIM interface commands.
  • the CPU interrupts the processing of the SD interface command that requires data transmission, and after the step of processing the SIM interface command in priority, it includes:
  • the timeout timer is started, and the timeout timer starts timing with the start time of the timeout timer as the first moment;
  • the CPU suspends processing the SIM interface command and starts to process the SD interface command. After the CPU finishes processing the SD interface command, it will continue to process the SIM interface command.
  • the beneficial effects of the present invention are: in the technical solution, the control modules of the SIM card and the SD card are combined into one, and the NAND FLASH is not integrated in the control chip, thereby improving the production yield of the chip. Since some of the functional modules of the SIM card and SD card two-in-one control chip are multiplexing modules that can meet both the requirements of the SIM card and the requirements of the SD card, the number of functional modules is reduced, the chip area is saved, and the cost is reduced. In addition, the SIM card and SD card two-in-one control chip occupies a smaller space in the limited physical space of the SIM card, making it easier to implement packaging and wiring, and facilitate the mass production of large-capacity SIM cards.
  • Figure 1 is a first structural schematic diagram of a SIM card and SD card two-in-one control chip
  • FIG. 2 is a schematic diagram of a second structure of a SIM card and SD card two-in-one control chip
  • Figure 3 is a first flow chart of a control method of a SIM card and SD card two-in-one control chip
  • Figure 4 is a second flow chart of a control method of a SIM card and SD card two-in-one control chip
  • Fig. 5 is a first structural diagram of a large-capacity SIM card using a SIM card and an SD card two-in-one control chip.
  • SIM card and SD card two-in-one control chip; 2. Flash memory chip; 3. SD contact; 4. SIM contact; 5. Substrate;
  • SIM interface aluminum pad 114
  • SD interface aluminum pad 114
  • FIG. 5 it is a large-capacity SIM card using a SIM card and an SD card two-in-one control chip 1, including:
  • SIM card and SD card two-in-one control chip 1 used for telecommunications service command processing, SIM interface communication with external terminals, and control and management of flash memory chip 2, which transmits the data to be stored obtained by the external terminal SD interface to the flash memory chip 2. And carry on SD interface communication with external terminal;
  • SIM contact 4 which is used to connect to the SIM interface of an external terminal to handle interactive communication of telecommunications services
  • SD contact 3 is used to connect to the SD interface of the external terminal, so that the external terminal and the two-in-one control chip can generate interactive communication of stored data;
  • the flash memory chip 2 is used to store the data to be stored transmitted by the SIM card and the SD card two-in-one control chip 1;
  • the substrate 5 is used to carry the SIM card and the SD card two-in-one control chip 1, the SIM contact 4, the SD contact 3, and the flash memory chip 2, and make electrical connections between them.
  • P1 to P8 are all SD contact 3
  • S1 to S6 are all SIM contact 4.
  • the SIM contact 4 and SD contact 3 are all packaged on the surface of the substrate 5.
  • SD contact 3, SIM contact 4 and flash memory chip 2 are all electrically connected to the two-in-one control chip 1.
  • the SD interface version includes SD1.0 , SD2.0, SD3.0, SD4.0, SD5.0, SD6.0 and SD7.0, the SIM interface follows the ISO/IEC 7816 protocol.
  • SIM card and SD card two-in-one control chip 1 is not only used for telecommunications service command processing, SIM interface communication with external terminals, but also control and management of flash memory chip 2, which transmits the data to be stored obtained by the external terminal SD interface to the flash memory Chip 2 and SD interface communication with external terminals.
  • the flash memory chip 2 is the main data storage medium.
  • the data stored in it is managed by the SIM card and SD card two-in-one control chip 1, including writing data to the flash memory chip 2 and reading data from the flash memory chip 2.
  • the flash memory chip 2 performs data formatting and the like.
  • the storage capacity of the flash memory chip 2 can be customized according to customer needs, and the storage capacity ranges from 128M to 128G.
  • the types of the flash memory chip 2 include SLC (Single-Level Cell), MLC (Multi-Level Cell) and TLC (Trinary-Level Cell).
  • the SIM card and the SD card two-in-one control chip 1, the SIM contact 4, the SD contact 3, and the flash memory chip 2 are all packaged on the substrate 5. After the substrate 5 is wired, an electrical connection is generated between them.
  • the external terminal When the external terminal communicates with the large-capacity SIM card, the external data enters the SIM card and SD card combo control chip 1 from the SIM contact 4, and the SIM interface controller 104 parses the command, responds to the telecom service command, and cooperates with the CPU101
  • the dedicated algorithm module 108 is activated to process the data in the data storage 103, and the processed result is fed back to the external terminal, so as to realize the communication function of the external terminal.
  • the data to be stored enters the SIM card and SD card two-in-one control chip 1 from the SD contact 3, and the SD protocol controller 105 parses the command and directly responds to the data that does not require data transmission. Command.
  • the timeout timer 111 is started with the cooperation of the CPU 101, and the DMA data path controller 107 is started to buffer the obtained data to be stored in the RAM 112, and then the flash memory controller 106 and the dedicated algorithm module are started 108 sends an operation command to the flash memory chip 2 to transfer the data to the flash memory chip 2, so as to realize data storage of the external terminal to the large-capacity SIM card.
  • a dedicated algorithm module 108 also needs to perform encryption and decryption processing on the data.
  • the process for the external terminal to retrieve data from the large-capacity SIM card is opposite to the above process, so it will not be repeated here.
  • the control modules of the SIM card and the SD card are combined into one, which shortens the bus of the control module of the SIM card and the SD card, improves the response speed of the data interaction between the two, and improves the performance of the large-capacity SIM card.
  • the functional module of the SIM card and SD card two-in-one control chip 1 is a multiplexing module that can not only meet the requirements of the SIM card, but also meet the requirements of the SD card, the chip area is saved and the cost is reduced.
  • the two-in-one control chip occupies less space in the limited physical space of the SIM card, making it easier to package and wire, and facilitate the mass production of large-capacity SIM cards!
  • a smart card has the communication function of the SIM card and the memory expansion function of the Micro SD card, so that after a large-capacity SIM card is inserted into a single card slot of an external terminal, the communication function of the SIM card can be realized at the same time
  • the memory expansion function of Micro SD card With the memory expansion function of Micro SD card, the external storage capacity of the mobile phone is also expanded while using the SIM card normally.
  • this solution also expands the external storage capacity of the mobile phone and enhances the user's experience on the premise of satisfying the user's dual-sim dual-standby.
  • the SIM card and SD card two-in-one control chip 1 includes:
  • CPU101 is used to run the firmware program, and coordinate the operation of each functional module in the two-in-one control chip according to the requirements of the firmware program;
  • ROM102 used to store firmware programs
  • the data memory 103 is used to store the SIM card key, the PUK code, the user phone number, the short message, the key parameters used by the SD card, the program code, and the key used by the SD card.
  • the data memory 105 includes EEPROM or MTP;
  • the SIM interface controller 104 is used for communication with the SIM interface 109 and processing telecommunication service commands;
  • the SD protocol controller 105 is used for parsing the communication protocol of the SD interface 110, processing commands, receiving data sent by the host or returning data required by the host;
  • the flash memory controller 106 is used to be responsible for the communication of the flash memory chip interface, realize the read, program and erase commands of the flash memory chip 2, and receive or send data of the flash memory chip interface;
  • the DMA data path controller 107 is used to coordinate the data transmission between the SD interface 110 and the flash chip interface, and optimize the internal data flow;
  • the dedicated algorithm module 108 is used to implement the encryption algorithm used by the SIM card, the ECC data error correction algorithm used by the SD card, the management acceleration algorithm of the flash memory chip, and the encryption algorithm used by the encrypted SD card;
  • the SIM interface 109 is used to connect to the external SIM contact 4 and communicate with the external terminal through the SIM interface 109;
  • the SD interface 110 is used to connect the external SD contact 3 and communicate with the external terminal through the SD interface 110;
  • the timeout timer 111 is used to ensure that the CPU 101 can respond to the commands communicated by the SD interface 110 in a timely manner;
  • RAM 112 is used to store variables used in programs, buffer user data, and store data.
  • the flash memory controller 106, the DMA data controller 107, the SD protocol controller 105, the RAM 112, the dedicated algorithm module 108, the ROM 102, the SIM interface controller 104, and the timeout timer 111 are all electrically connected to the CPU 101.
  • the SD protocol controller 105 is electrically connected to the SD interface 109; the SIM interface controller 104 is electrically connected to the SIM interface 109.
  • the SIM interface controller 104 is electrically connected to the data storage 103.
  • the SD interface 110 is electrically connected to the SD contact 3, and the SIM interface 109 is electrically connected to the SIM contact 4.
  • the modules that can be shared by the SIM card chip and the Micro SD card control chip include CPU101, RAM112, ROM102, data memory 103, power management module and clock generation module, etc., so the above modules are all SIM card and SD card Function multiplexing module.
  • the control modules of the SIM card and the SD card are combined into one, and the NAND FLASH is not integrated in the control chip, thereby improving the production yield of the chip. Integrate all the circuits of the SIM card chip into the Micro SD card control chip to make a SIM card and SD card two-in-one control chip 1.
  • the two-in-one control chip 1 shares some functional modules, which saves chip area and reduces costs Compared with the solution where the SIM card chip and the Micro SD card control chip are separated, the SIM card and SD card two-in-one control chip 1 occupies a smaller space in the inherently small package space, making it easier to implement a large-capacity SIM card The package is also more convenient for the wiring of large-capacity SIM cards.
  • the data memory 103 includes EEPROM or MTP, which is used to store SIM card keys, PUK codes, etc., and store user phone numbers, short messages, etc.
  • EEPROM or MTP can also be used to store key parameters, program codes, etc. used by the SD card to improve the stability and service life of the SD memory card. It can also be used to store encryption related data such as the key used by the SD card to make an encrypted SD card. .
  • EEPROM or MTP was originally used for SIM card, but it can also be used for SD card expansion function of large-capacity SIM card.
  • the DMA data path controller 107 reduces the burden of the CPU 101 during the large-capacity data transmission.
  • the data path of the large-capacity data transmission is implemented by the DMA data path controller 107, and the CPU 101 does not need to participate in the data transmission process.
  • the DMA data path controller 107 coordinates the data transmission between the SD interface 110 and the flash memory chip 2 interface, and optimizes the internal data flow.
  • the dedicated algorithm module 108 includes A3 and A8 encryption algorithms, and the encryption algorithm is used for the SIM card.
  • the dedicated algorithm module 108 includes A3, A8 encryption algorithms and national secret algorithms. Among them, the encryption algorithm is used for the SIM card, and the national secret algorithm is used to encrypt the data used by the SIM card and the SD card.
  • the national secret algorithm includes SM1, SM2, SM3, and SM4. .
  • the two-in-one control chip 1 of the SIM card and the SD card is provided with a SIM interface aluminum pad 113 and an SD interface aluminum pad 114;
  • Each SIM interface aluminum pad 113 is electrically connected to the external SIM contact 4;
  • the SD interface aluminum pad 114 includes a first pad and a second pad.
  • the first pad is electrically connected to the external SD contact 3 and the second pad is electrically connected to the flash memory chip 2.
  • the SIM interface aluminum pads 113 are distributed in an array.
  • the SD interface aluminum pad 114 includes a first pad and a second pad.
  • the first pad is electrically connected to the SD contact 3 for receiving or transmitting data to an external terminal
  • the second pad is electrically connected to the flash memory chip 2 for use To transfer the data to be stored to the flash memory chip 2, or retrieve the stored data from the flash memory chip 2.
  • the SIM interface aluminum pad 113 and the SD interface aluminum pad 114 are first wired to the substrate 5, and then connected to the SIM contact 4 and the SD contact 3, respectively.
  • the SIM card and SD card two-in-one control chip 1 further includes a power management module, a clock generation module, and a voltage detection module.
  • the power management module is responsible for generating a two-in-one control chip 1 core, different voltages used by I/O, and realizing low power consumption management.
  • the clock generation module is responsible for providing the operating clock for the two-in-one control chip 1.
  • the voltage detection module is responsible for detecting the power-up and power-down process of the two-in-one control chip 1.
  • the present invention also provides a control method of a SIM card and SD card two-in-one control chip, including:
  • the SIM card and SD card two-in-one control chip 1 determines whether the CPU 101 is processing SD interface commands. If so, it is determined whether the CPU 101 has received the SIM interface command. If it is, the CPU 101 interrupts the processing of the SD interface command that requires data transmission, and prioritizes the processing of the SIM interface command. Because the SIM card control module and the Micro SD card control module share the CPU101 and share a set of firmware programs, because the SD interface data communication allows a certain timeout period, the program must ensure that it responds to the commands of the SIM interface command communication first. For the SIM interface commands that require CPU101 to participate, the processing priority is higher than that of SD interface commands.
  • CPU101 is processing SD interface commands, and the SIM interface commands need to be processed by CPU101 at the same time, CPU101 will first suspend processing SD interface commands and finish processing SIM After the interface command is interrupted, continue to process the SD interface command.
  • the large-capacity SIM card preferentially responds to the SIM interface commands, and avoids affecting the normal use of the SIM card when the large-capacity SIM card stores data.
  • SD interface commands that do not need to be processed by the CPU 101 are processed by the SD protocol controller 105.
  • the SD interface commands that do not require data transmission are processed by the SD protocol controller 105 without the participation of the CPU 101.
  • the SD interface commands that require data transmission such as CMD17, CMD18, CMD24, CMD25, etc., require CPU101 to participate in processing.
  • CPU101 interrupts the processing of SD interface commands that require data transmission, and after step S3 of priority processing of SIM interface commands, it includes:
  • the timeout timer 111 judges in real time whether the time difference between the current moment and the first moment is greater than a preset time threshold
  • the SIM card and SD card two-in-one control chip 1 adds a timeout timer 111 to ensure that the interrupted SD interface command gets a response before the timeout.

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Abstract

本发明提出一种SIM卡和SD卡二合一控制芯片及其控制方法，其中，所述SIM卡和SD卡二合一控制芯片包括：CPU、ROM、数据存储器、SIM接口控制器、SD协议控制器、闪存控制器、DMA数据通路控制器、专用算法模块、SIM接口、SD接口、超时计时器、RAM，其中，SIM卡和SD卡二合一控制芯片用于电信业务命令处理，与外部终端进行SIM接口通讯，以及控制与管理闪存芯片，将外部终端SD接口获得的待存储的数据传输给闪存芯片，以及与外部终端进行SD接口通讯。与现有技术相比，本方案提升二合一控制芯片的生产良率，减少了功能模块的数量，节省芯片面积，降低成本，SIM卡和SD卡二合一控制芯片在SIM卡有限的物理空间内占用的空间更小，更易实现封装和打线，方便大容量SIM卡的量产。

Description

一种SIM卡和SD卡二合一控制芯片及其控制方法 技术领域
本发明涉及到智能设备领域，特别是涉及到一种SIM卡和SD卡二合一控制芯片及其控制方法。
 背景技术
智能设备如手机，作为人们的生产生活工具，已深入人们的生活中。市面上的手机分为两种，一种是支持Micro SD卡拓展，另一种是不支持Micro SD卡拓展。在支持Micro SD卡拓展的手机中，一般采用Micro SD卡/SIM卡二合一卡槽，一个卡槽用于放置SIM卡，另一卡槽用于放置Micro SD卡，从而满足手机通信和内存拓展的需求。上述设计导致手机用户要么使用双SIM卡待机功能，无法进行内存拓展，要么单一SIM卡待机，另一卡槽用于内存拓展。因此，在单一卡槽内同时实现SIM卡的通信功能和Micro SD卡的内存拓展能显著提升用户体验。
 技术问题
在现有技术中，专利号为CN200620064756.3，专利名称为《大容量SIM卡》的专利公开了一种大容量SIM卡，其设计原理为在现有SIM卡的结构上引入高集成度的MMC存储卡结构，此存储卡结构包括MMC控制器、NAND FLASH控制器以及NAND FLASH存储单元。正如专利文件图2所示，在SIM卡1的基础上，连接MMC存储卡结构，形成SIM卡2（即SIM卡***），从而使得SIM卡实现大容量存储。对比文件中的MMC卡存储结构将存储芯片与控制模块集成在一起，NAND FLASH存储单元要用特殊的生产工艺（如eflash），如果跟其他模块集成在一个芯片里会降低芯片的生产良率，而且目前1GB以上容量的存储单元无法集成到芯片里。因此，如何改善现有大容量SIM卡的控制结构，便于量产大容量SIM卡，显得十分重要。
 技术解决方案
本发明的主要目的为提供一种SIM卡和SD卡二合一控制芯片，旨在解决改善现有大容量SIM卡的控制结构，以便于量产大容量SIM卡的技术问题。
本发明提供一种SIM卡和SD卡二合一控制芯片，包括：
CPU，用于运行固件程序，根据固件程序的要求协调SIM卡和SD卡二合一控制芯片中各个功能模块的运行；
ROM，用于存储固件程序；
数据存储器，用于存储SIM卡密钥、PUK码、存储用户电话号码、短信、存储SD卡所用关键参数、程序代码以及SD卡所用密钥，其中，数据存储器包括EEPROM或MTP；
SIM接口控制器，用于负责SIM接口通讯和处理电信业务命令；
SD协议控制器，用于负责SD接口通信协议的解析，处理命令，接收主机发过来的数据或把主机所要数据返回；
闪存控制器，用于负责闪存芯片接口的通讯，实现闪存芯片读取，编程和擦除命令，接收或发送闪存芯片接口的数据；
DMA数据通路控制器，用于协调SD接口和闪存芯片接口的数据传输，优化内部数据流；
专用算法模块，用于实现SIM卡所用加密算法，SD卡所用ECC数据纠错算法，闪存芯片管理加速算法及加密SD卡所用加密算法；
SIM接口，用于连接外界的SIM触点，与外部终端进行SIM接口通讯；
SD接口，用于连接外界的SD触点，与外部终端进行SD接口通讯；
超时计时器，用于确保CPU能及时相应SD接口通信的命令；
RAM，用于存储程序所用变量、缓冲用户数据和存储数据；
其中，SIM卡和SD卡二合一控制芯片用于电信业务命令处理，与外部终端进行SIM接口通讯，以及控制与管理闪存芯片，将外部终端SD接口获得的待存储的数据传输给闪存芯片，以及与外部终端进行SD接口通讯。
优选的，闪存控制器、DMA数据控制器、SD协议控制器、RAM、专用算法模块，ROM、SIM接口控制器、超时计时器均与CPU电连接；
SD协议控制器与SD接口电连接；
SIM接口控制器与SIM接口电连接；
SIM接口控制器与数据存储器电连接；
SD接口与SD触点电连接，SIM接口与SIM触点电连接。
优选的，专用算法模块包括A3、A8加密算法和国密算法，其中，加密算法用于SIM卡，国密算法用于对SIM卡和SD卡所用数据加密。
优选的，SD接口版本包括SD1.0、SD2.0、SD3.0、SD4.0、SD5.0、SD6.0和SD7.0；
 SIM接口遵循合ISO/IEC 7816协议。
优选的，SIM卡和SD卡二合一控制芯片设置有SIM接口铝垫和SD接口铝垫；
各SIM接口铝垫分别与外界的SIM触点电连接；
SD接口铝垫包括第一垫片和第二垫片，第一垫片与外界的SD触点电连接，第二垫片与闪存芯片电连接。
优选的，SIM卡和SD卡二合一控制芯片还包括：电源管理模块，时钟生成模块和电压检测模块。
优选的，CPU、RAM、ROM、数据存储器模块、电源管理模块和时钟生成模块均为SIM卡和SD卡功能复用模块。
本发明还提供一种SIM卡和SD卡二合一控制芯片的控制方法，包括： 
判断CPU是否在处理SD接口命令；
若是，则判断CPU是否接收到SIM接口命令；
若是，则CPU中断处理需要数据传输的SD接口命令，优先处理SIM接口命令。
优选的，若是，则CPU中断处理需要数据传输的SD接口命令，优先处理SIM接口命令的步骤之后，包括：
对于被打断的SD接口命令，调取RAM用于SD接口数据缓冲；
SD接口数据缓冲完毕，启动超时计时器，以超时计时器的启动时刻为第一时刻，超时计时器开始计时；
实时判断当前时刻与第一时刻的时间差是否大于预设时间阈值；
若是，则CPU暂停处理SIM接口命令，开始处理SD接口命令，待CPU处理完SD接口命令再继续处理SIM接口的命令。
 有益效果
本发明的有益效果在于：在本技术方案中，SIM卡和SD卡的控制模块合二为一，不将NAND FLASH集成在控制芯片里，从而提高了芯片的生产良率。由于SIM卡和SD卡二合一控制芯片的部分功能模块为既能满足SIM卡需求，又能满足SD卡需求的复用模块，减少了功能模块的数量，节省芯片面积，从而降低了成本。此外，SIM卡和SD卡二合一控制芯片在SIM卡有限的物理空间内占用的空间更小，更易实现封装和打线，方便大容量SIM卡的量产。
 附图说明
图1为一种SIM卡和SD卡二合一控制芯片的第一结构示意图；
图2为一种SIM卡和SD卡二合一控制芯片的第二结构示意图；
图3为一种SIM卡和SD卡二合一控制芯片的控制方法的第一流程图；
图4为一种SIM卡和SD卡二合一控制芯片的控制方法的第二流程图；
图5为一种应用SIM卡和SD卡二合一控制芯片的大容量SIM卡的第一结构示意图。
 
标号说明：
1 、SIM卡和SD卡二合一控制芯片； 2、闪存芯片； 3、SD触点； 4、SIM触点； 5、基板；
    101 、CPU； 102、ROM； 103、数据存储器； 104、SIM接口控制器； 105、SD协议控制器； 106、闪存控制器； 107、DMA数据通路控制器； 108、专用算法模块； 109、SIM接口； 110、SD接口； 111、超时计时器； 112、RAM；
113 、SIM接口铝垫； 114、SD接口铝垫。
 
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
本发明的最佳实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
参照图5，为一种应用SIM卡和SD卡二合一控制芯片1的大容量SIM卡，包括：
SIM卡和SD卡二合一控制芯片1，用于电信业务命令处理，与外部终端进行SIM接口通讯，以及控制与管理闪存芯片2，将外部终端SD接口获得的待存储的数据传输给闪存芯片2，以及与外部终端进行SD接口通讯；
SIM触点4，用于连接外部终端的SIM接口，处理电信业务交互通讯；
SD触点3，用于连接外部终端的SD接口，使外部终端与所述二合一控制芯片之间产生存储数据的交互通讯；
闪存芯片2，用于存储SIM卡和SD卡二合一控制芯片1传输的待存储的数据；
基板5，用于承载SIM卡和SD卡二合一控制芯片1、SIM触点4、SD触点3以及闪存芯片2，并使其之间产生电连接。
    在本发明实施例中，P1至P8均为SD触点3，S1至S6均为SIM触点4。SIM触点4和SD触点3均封装在基板5的表面，SD触点3、SIM触点4和闪存芯片2均与二合一控制芯片1电连接，其中，SD接口版本包括SD1.0、SD2.0、SD3.0、SD4.0、SD5.0、SD6.0和SD7.0，SIM接口遵循ISO/IEC 7816协议。SIM卡和SD卡二合一控制芯片1不仅用于电信业务命令处理，与外部终端进行SIM接口通讯，还可控制与管理闪存芯片2，将外部终端SD接口获得的待存储的数据传输给闪存芯片2，以及与外部终端进行SD接口通讯。闪存芯片2是主要的存储数据的介质，其所存储的数据均由SIM卡和SD卡二合一控制芯片1管理，包括向闪存芯片2写入数据、从闪存芯片2内读取数据，对闪存芯片2进行数据格式化等。闪存芯片2的存储容量可按照客户的需求定制，存储容量从128M到128G等。闪存芯片2的种类包括SLC（Single-Level Cell，单层单元）、MLC（Multi-Level Cell,多层单元）和TLC（Trinary-Level Cell，三层单元）。SIM卡和SD卡二合一控制芯片1、SIM触点4、SD触点3以及闪存芯片2均封装在基板5上，基板5经过打线后，使其之间产生电连接。当外部终端与大容量SIM卡进行通信时，外部数据从SIM触点4进入SIM卡和SD卡二合一控制芯片1，SIM接口控制器104解析命令，响应电信业务命令，在CPU101的配合下启动专用算法模块108对数据存储器103里的数据进行处理，并将处理后的结果反馈回外部终端，从而实现外部终端的通信功能。当外部终端与大容量SIM卡进行数据交互时，待存储的数据从SD触点3进入SIM卡和SD卡二合一控制芯片1，SD协议控制器105解析命令，直接响应不需要数据传输的命令，对于需要数据传输的命令，则在CPU101配合下启动超时计时器111进行计时，启动DMA数据通路控制器107将获得的待存储的数据缓冲到RAM112,再启动闪存控制器106和专用算法模块108向闪存芯片2发送操作命令，将数据传输至闪存芯片2，从而实现外部终端的数据存储至大容量SIM卡。如果闪存芯片2里存放的是加密数据，则还需要由专用算法模块108对数据进行加解密处理。外部终端从大容量SIM卡调取数据的过程与上述过程相反，故不再赘述。通过上述设置，SIM卡和SD卡的控制模块合二为一，缩短了SIM卡和SD卡的控制模块的总线，提升了两者数据交互的响应速度，从而提升大容量SIM卡的性能。由于SIM卡和SD卡二合一控制芯片1的功能模块为既能满足SIM卡需求，又能满足SD卡需求的复用模块，节省芯片面积，从而降低了成本。此外，二合一控制芯片在SIM卡有限的物理空间内占用的空间更小，更易实现封装和打线，方便大容量SIM卡的量产！此外，通过上述设置，使得一张智能卡即具备SIM卡的通信功能和Micro SD卡的内存拓展功能，从而使得外部终端的单一卡槽内***大容量SIM卡后，能同时实现SIM卡的通信功能和Micro SD卡的内存拓展功能，正常使用SIM卡的同时还拓展了手机外置存储容量。以此类推，对于双卡双待的手机卡槽，本方案在满足用户双卡双待的前提下，还拓展了手机外置存储容量，提升用户使用体验。
参照图2，SIM卡和SD卡二合一控制芯片1包括：
CPU101，用于运行固件程序，根据固件程序的要求协调二合一控制芯片中各个功能模块的运行；
ROM102，用于存储固件程序；
数据存储器103，用于存储SIM卡密钥、PUK码、存储用户电话号码、短信、存储SD卡所用关键参数、程序代码以及SD卡所用密钥，其中，数据存储器105包括EEPROM或MTP；
SIM接口控制器104，用于负责SIM接口109通讯和处理电信业务命令；
SD协议控制器105，用于负责SD接口110通信协议的解析，处理命令，接收主机发过来的数据或把主机所要数据返回；
闪存控制器106，用于负责闪存芯片接口的通讯，实现闪存芯片2读取，编程和擦除命令，接收或发送闪存芯片接口的数据；
DMA数据通路控制器107，用于协调SD接口110和闪存芯片接口的数据传输，优化内部数据流；
专用算法模块108，用于实现SIM卡所用加密算法，SD卡所用ECC数据纠错算法，闪存芯片管理加速算法及加密SD卡所用加密算法；
SIM接口109，用于连接外界的SIM触点4，与外部终端进行SIM接口109通讯；
SD接口110，用于连接外界的SD触点3，与外部终端进行SD接口110通讯；
超时计时器111，用于确保CPU101能及时相应SD接口110通信的命令；
RAM112，用于存储程序所用变量、缓冲用户数据和存储数据。
在本发明实施例中，闪存控制器106、DMA数据控制器107、SD协议控制器105、RAM112、专用算法模块108，ROM102、SIM接口控制器104、超时计时器111均与CPU101电连接。SD协议控制器105与SD接口109电连接；SIM接口控制器104与SIM接口109电连接。SIM接口控制器104与数据存储器103电连接。SD接口110与SD触点3电连接，SIM接口109与SIM触点4电连接。在本发明实施例中，SIM卡芯片和Micro SD卡控制芯片可共用的模块包括CPU101、RAM112、ROM102、数据存储器103、电源管理模块和时钟生成模块等，所以上述模块均为SIM卡和SD卡功能复用模块。通过上述设置，SIM卡和SD卡的控制模块合二为一，不将NAND FLASH集成在控制芯片里，从而提高了芯片的生产良率。将SIM卡芯片所有电路集成到Micro SD卡控制芯片里面做成SIM卡和SD卡二合一控制芯片1，不仅二合一控制芯片1因为共用了一些功能模块，节省芯片面积，从而降低了成本，跟SIM卡芯片和Micro SD卡控制芯片分开的方案相比，SIM卡和SD卡二合一控制芯片1在本来就很狭小的封装空间里占用的空间更小，更易于实现大容量SIM卡的封装，也更方便大容量SIM卡的打线。
在本发明实施例中，数据存储器103包括EEPROM或MTP，用于存储SIM卡密钥，PUK码等，存储用户电话号码，短信等，为保证安全性，SIM卡所用数据一般都存储在芯片内部EEPROM或MTP，不保存在外部的闪存存储器。EEPROM或MTP也可以用来存储SD卡所用关键参数、程序代码等，提高SD存储卡的稳定性和使用寿命，也可以用来存储SD卡所用密钥等加密相关数据，从而制作成加密SD卡。EEPROM或MTP原本是为SIM卡所用，但是也可以为大容量SIM卡的SD卡扩充功能使用。
在本发明实施例中，DMA数据通路控制器107为减轻大容量数据传输时CPU101的负担，大容量数据传输的数据通路由DMA数据通路控制器107实现，数据传输过程不需要CPU101参与。为提高大容量SIM卡的读写性能，DMA数据通路控制器107协调SD接口110和闪存芯片2接口的数据传输，优化内部数据流。在本发明实施例中，专用算法模块108包括A3和A8加密算法，该加密算法用于SIM卡。专用算法模块108包括A3、A8加密算法和国密算法，其中，加密算法用于SIM卡，国密算法用于对SIM卡和SD卡所用数据加密，国密算法包括SM1、 SM2、SM3和SM4。
参照图2，SIM卡和SD卡的二合一控制芯片1设置有SIM接口铝垫113和SD接口铝垫114；
各SIM接口铝垫113分别与外界的SIM触点4电连接；
SD接口铝垫114包括第一垫片和第二垫片，第一垫片与外界的SD触点3电连接，第二垫片与闪存芯片2电连接。
在本发明实施例中，SIM接口铝垫113呈阵列分布。SD接口铝垫114包括第一垫片和第二垫片，第一垫片与SD触点3电连接，用于向外部终端接收或传输数据，第二垫片与闪存芯片2电连接，用于将待存储数据传输至闪存芯片2，或从闪存芯片2调取存储数据。在本发明实施例中，SIM接口铝垫113和SD接口铝垫114先打线到基板5上，再分别与SIM触点4和SD触点3连接。
在本发明实施例中，SIM卡和SD卡二合一控制芯片1还包括电源管理模块、时钟生成模块和电压检测模块。其中，电源管理模块负责生成二合一控制芯片1内核，I/O所用的不同电压，实现低功耗管理等。时钟生成模块负责给二合一控制芯片1提供运行时钟。电压检测模块负责检测二合一控制芯片1上电和掉电的过程。
参照图3，本发明还提供一种SIM卡和SD卡二合一控制芯片的控制方法，包括：
S1：判断CPU101是否在处理SD接口命令；
S2：若是，则判断CPU101是否接收到SIM接口命令；
S3：若是，则CPU101中断处理需要数据传输的SD接口命令，优先处理SIM接口命令。
在本发明实施例中，SIM卡和SD卡二合一控制芯片1判断CPU101是否在处理SD接口命令。若是，则判断CPU101是否接收到SIM接口命令。若是，则CPU101中断处理需要数据传输的SD接口命令，优先处理SIM接口命令。因为SIM卡控制模块和Micro SD卡控制模块共用CPU101，共用一套固件程序，因为SD接口数据通信允许一定的超时时间，所以程序要确保优先响应SIM接口命令通信的命令。对于需要CPU101参与的SIM接口命令，处理优先级比SD接口命令的高，如果CPU101正在处理SD接口命令，同时来了SIM接口命令需要CPU101处理，这时CPU101先暂停处理SD接口命令，处理完SIM接口命令中断后再继续处理SD接口命令。通过上述设置，确保大容量SIM卡优先响应SIM接口命令，避免大容量SIM卡进行数据存储时，影响SIM卡的正常使用。在本发明其它实施例中，对于不需要CPU101处理的SD接口命令，由SD协议控制器105进行处理。其中，对于不需要数据传输的SD接口命令，如CMD7，CMD8，CMD13，CMD16，ACMD6，ACMD22等，由SD协议控制器105进行处理，不需要CPU101参与。需要数据传输的SD接口命令如CMD17，CMD18，CMD24，CMD25等需要CPU101参与处理。通过上述设置，减少CPU101的负荷，提高二合一控制芯片1与外部终端数据交互的响应速度。
参照图4，若是，则CPU101中断处理需要数据传输的SD接口命令，优先处理SIM接口命令的步骤S3之后，包括：
S4：对于被打断的SD接口命令，调取RAM112用于SD接口数据缓冲；
S5：SD接口数据缓冲完毕，启动超时计时器111，以超时计时器111的启动时刻为第一时刻，超时计时器111开始计时；
S6：超时计时器111实时判断当前时刻与第一时刻的时间差是否大于预设时间阈值；
S7：若是，则CPU101暂停处理SIM接口命令，开始处理SD接口命令，待CPU101处理完SD接口命令再继续处理SIM接口的命令。
 本发明的实施方式
在此处键入本发明的实施方式描述段落。
 工业实用性
在本发明实施例中，SIM卡和SD卡二合一控制芯片1增加一个超时计时器111确保被打断的SD接口命令在超时之前得到响应。通过上述设置，使得SIM卡芯片和Micro SD卡芯片能集成在一起，且不影响SIM卡和Micro SD卡的原有功能，实现二者的兼容。
 序列表自由内容
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (9)

  1. 一种SIM卡和SD卡二合一控制芯片，其特征在于，包括：
    CPU，用于运行固件程序，根据固件程序的要求协调所述SIM卡和SD卡二合一控制芯片中各个功能模块的运行；
    ROM，用于存储固件程序；
    数据存储器，用于存储SIM卡密钥、PUK码、存储用户电话号码、短信、存储SD卡所用关键参数、程序代码以及SD卡所用密钥，其中，所述数据存储器包括EEPROM或MTP；
    SIM接口控制器，用于负责SIM接口通讯和处理电信业务命令；
    SD协议控制器，用于负责SD接口通信协议的解析，处理命令，接收主机发过来的数据或把主机所要数据返回；
    闪存控制器，用于负责闪存芯片接口的通讯，实现闪存芯片读取，编程和擦除命令，接收或发送闪存芯片接口的数据；
    DMA数据通路控制器，用于协调SD接口和闪存芯片接口的数据传输，优化内部数据流；
    专用算法模块，用于实现SIM卡所用加密算法，SD卡所用ECC数据纠错算法，闪存芯片管理加速算法及加密SD卡所用加密算法；
    SIM接口，用于连接外界的SIM触点，与外部终端进行SIM接口通讯；
    SD接口，用于连接外界的SD触点，与外部终端进行SD接口通讯；
    超时计时器，用于确保所述CPU能及时相应SD接口通信的命令；
    RAM，用于存储程序所用变量、缓冲用户数据和存储数据；
    其中，所述SIM卡和SD卡二合一控制芯片用于电信业务命令处理，与外部终端进行SIM接口通讯，以及控制与管理闪存芯片，将外部终端SD接口获得的待存储的数据传输给所述闪存芯片，以及与外部终端进行SD接口通讯。
  2. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，
    所述闪存控制器、所述DMA数据控制器、所述SD协议控制器、所述RAM、所述专用算法模块，所述ROM、所述SIM接口控制器、所述超时计时器均与所述CPU电连接；
    所述SD协议控制器与所述SD接口电连接；
    所述SIM接口控制器与所述SIM接口电连接；
    所述SIM接口控制器与所述数据存储器电连接；
    所述SD接口与所述SD触点电连接，所述SIM接口与所述SIM触点电连接。
  3. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，所述专用算法模块包括A3、A8加密算法和国密算法，其中，所述加密算法用于SIM卡，所述国密算法用于对SIM卡和SD卡所用数据加密。
  4. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，
    所述SD接口版本包括SD1.0、SD2.0、SD3.0、SD4.0、SD5.0、SD6.0和SD7.0；
     所述SIM接口遵循合ISO/IEC 7816协议。
  5. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，
    所述SIM卡和SD卡二合一控制芯片设置有SIM接口铝垫和SD接口铝垫；
    各所述SIM接口铝垫分别与外界的SIM触点电连接；
    所述SD接口铝垫包括第一垫片和第二垫片，所述第一垫片与外界的SD触点电连接，所述第二垫片与所述闪存芯片电连接。
  6. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，还包括：电源管理模块，时钟生成模块和电压检测模块。
  7. 根据权利要求1所述的一种SIM卡和SD卡二合一控制芯片，其特征在于，所述CPU、所述RAM、所述ROM、所述数据存储器模块、所述电源管理模块和时钟生成模块均为SIM卡和SD卡功能复用模块。
  8. 一种SIM卡和SD卡二合一控制芯片的控制方法，其特征在于，包括： 
    判断所述CPU是否在处理SD接口命令；
    若是，则判断所述CPU是否接收到SIM接口命令；
    若是，则所述CPU中断处理需要数据传输的SD接口命令，优先处理所述SIM接口命令。
  9. 根据权利要求8所述的一种SIM卡和SD卡二合一控制芯片的控制方法，其特征在于，所述若是，则所述CPU中断处理需要数据传输的SD接口命令，优先处理所述SIM接口命令的步骤之后，包括：
    对于被打断的所述SD接口命令，调取RAM用于SD接口数据缓冲；
    所述SD接口数据缓冲完毕，启动超时计时器，以所述超时计时器的启动时刻为第一时刻，所述超时计时器开始计时；
    实时判断当前时刻与所述第一时刻的时间差是否大于预设时间阈值；
    若是，则所述CPU暂停处理所述SIM接口命令，开始处理所述SD接口命令，待所述CPU处理完所述SD接口命令再继续处理所述SIM接口的命令。
PCT/CN2020/077427 2019-12-27 2020-03-02 一种sim卡和sd卡二合一控制芯片及其控制方法 WO2021128583A1 (zh)

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CN111935700B (zh) * 2020-07-31 2023-03-24 武汉天喻信息产业股份有限公司 一种大容量sim卡及具有该sim卡的移动终端
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1795457A (zh) * 2003-04-17 2006-06-28 桑迪士克股份有限公司 包含一标准安全功能的存储卡
CN101147162A (zh) * 2005-04-18 2008-03-19 诺基亚公司 具有可选择接触元件的存储卡及其操作方法
CN202617370U (zh) * 2012-05-15 2012-12-19 深圳凯虹移动通信有限公司 一种移动通信终端
CN207503257U (zh) * 2017-06-02 2018-06-15 紫光同芯微电子有限公司 一种同时具有sim和sd功能的智能卡
CN111091173A (zh) * 2019-12-27 2020-05-01 深圳市德名利电子有限公司 一种具备大容量存储功能的sim卡及其控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1795457A (zh) * 2003-04-17 2006-06-28 桑迪士克股份有限公司 包含一标准安全功能的存储卡
CN101147162A (zh) * 2005-04-18 2008-03-19 诺基亚公司 具有可选择接触元件的存储卡及其操作方法
CN202617370U (zh) * 2012-05-15 2012-12-19 深圳凯虹移动通信有限公司 一种移动通信终端
CN207503257U (zh) * 2017-06-02 2018-06-15 紫光同芯微电子有限公司 一种同时具有sim和sd功能的智能卡
CN111091173A (zh) * 2019-12-27 2020-05-01 深圳市德名利电子有限公司 一种具备大容量存储功能的sim卡及其控制方法

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