技术特性

• ST23YL18 major applications include:
  • Banking, IT and Pay TV applications
• Hardware features
  • Enhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory
  • 196 Kbytes User ROM
  • 4 Kbytes User RAM
  • 2 Kbytes NESCRYPT RAM
  • 18 Kbytes User EEPROM including 128 Bytes User OTP area:
    • Highly reliable CMOS EEPROM submicron technology
    • 10-year data retention
    • 500,000 Erase/Write cycles endurance typical at 25° C
    • 1 to 64 Bytes Erase or Program in 1.5 ms
  • NESCRYPT crypto-processor for public key cryptography
  • Three 8-bit timers with watchdog and interrupt capability
  • 3V and 5V 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 ISO 7816-3
  • Asynchronous Receiver Transmitter (IART) for high speed serial data support (ISO 7816-3 and EMV™ compliant)
  • ESD protection greater than 5 kV (HBM)
• Security features
  • Active shield
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • Hardware Security Enhanced DES accelerator
  • 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

Security features

• Active shield
• Monitoring of environmental parameters
• Protection mechanisms against faults
• Hardware Security Enhanced DES accelerator
• 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

功能框图