技术特性

• Hardware features
  • Enhanced 8/16-bit ST23 CPU core with 16 Mbytes of linear addressable memory
  • 300 Kbytes of User ROM
  • 6 Kbytes of User RAM
  • 2 Kbytes of NESCRYPT RAM
  • 34 Kbytes of User EEPROM including 128 Bytes of User OTP area:
    • Highly reliable CMOS EEPROM submicron technology
    • 30-year data retention
    • 500,000 Erase/Write cycles endurance typical at 25° C
    • 1 to 64 byte Erase or Program in 1.5 ms
  • Enhanced NESCRYPT crypto-processor for public key cryptography
  • Hardware security enhanced DES accelerator
  • Three 8-bit timers with watchdog and interrupt capability
  • 3 V and 5 V supply voltage ranges
  • External clock frequency up to 10 MHz
  • High performance provided by:
    • CPU clock frequency up to 29 MHz
  • Power-saving Standby state
  • Contact assignment compatible with ISO/IEC 7816-3 standards
  • Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816- 3 and EMV™ compliant)
  • ESD protection greater than 5 kV (HBM)
• Security features
  • Active shield
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • AIS-31 class P2 compliant true random number generator (TRNG)
  • ISO 3309 CRC calculation block
  • Memory protection unit (MPU)
  • Unique serial number on each die
• Development environment: Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:
  • C compiler
  • Simulator
  • Emulator

功能框图