技术特性

• Hardware features
  • Enhanced 8/16-bit ST23 CPU core with 16 Mbytes of linear addressable memory
  • 92 Kbytes of User ROM
  • 4 Kbytes of User RAM
  • 0.5 Kbytes dedicated RFUART RAM
  • 2 Kbytes of User EEPROM including 128 Bytes of User OTP area:
    • Highly reliable CMOS EEPROM submicron technology
    • 30-year data retention at 25°C
    • 500,000 Erase/Write cycles endurance at 25° C
    • 1 to 32 byte Erase or Program in 1.5 ms
  • Operating temperature: –25° to +85°C (see restricted test conditions)
  • Three 8-bit timers with watchdog and interrupt capability
  • High performance provided by:
    • CPU clock frequency up to 28 MHz
  • Power-saving Standby state
  • ESD protection greater than 5 kV (HBM)
• Contactless features
  • Complies with ISO/IEC 14443 Type A, B and B’, and PayPass™ standards
  • 13.56 MHz carrier frequency
  • RF frame up to 512 bytes
  • RFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps
• Security features
  • Active shield
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • True random number generator (TRNG) (AIS-31 Class P2 compliant)
  • 16-bit Cyclic Redundancy Check (CRC) calculation block (ISO/IEC 13239)
  • Unique serial number on each die
  • AES accelerator
  • Three-key Triple DES accelerator (EDES+)
• Development environment
  • C compiler, simulator and emulator

功能框图