Double-module intelligent card

Double-module intelligent card

CN
  • CN 201,689,449 U
  • Filed: 06/29/2010
  • Issued: 12/29/2010
  • Est. Priority Date: 02/11/2010
  • Status: Active Grant
First Claim
Patent Images

1. module smart card, contain SD I/O interface (3), it is characterized in that:

  • also comprise memory module (1) and safety control module (2), safety control module (2) comprises CPU(21), encryption and decryption device (22), controller (23) and coprocessor NPU(24), encryption and decryption device (22) and controller (23) and coprocessor NPU(24) all be connected CPU(21) on;

    Memory module (1) comprises mask ROM(11), EEPROM(12) and RAM(13), they all are connected to the CPU(21 of safety control module (2)) and controller (23) on;

    SD I/O interface (3) also is connected CPU(21) on.

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