技术特性

• Hardware features
  • ARM Cortex™-M3 32-bit RISC core
  • 8 Kbytes of user RAM
  • 256 Kbytes of user Flash memory with OTP area:
    • 10-year data retention at 105°C, or 15 years at 85°C
    • 500,000 Erase/Write cycles per page
    • 50 million Erase/Write cycles per 64 Kbyte sector
    • Page granularity of 128 Bytes
    • Block granularity: 1 Kbyte
    • 128 Bytes of OTP for user
    • Page Erase time 4 ms
    • Block Erase 1 Kbyte in 20 ms
    • Programming performance up to 10μs/byte
    • Flash Erase / Write Protection software programmable on 64 Kbyte sectors
  • Asynchronous Receiver Transmitter supporting ISO 7816-3 T=0 and T=1 protocols
  • Two 16-bit timers with interrupt capability
  • 1.8V, 3V and 5V supply voltage ranges
  • External clock frequency from 1 up to 7.5 MHz
  • High performance provided by:
    • CPU clock frequency up to 15 MHz
    • External clock multiplier (2x, 3x, and 4x)
  • Current consumption compatible with GSM and ETSI specifications
  • Power-saving Standby state
  • Contact assignment compatible ISO 7816-2
  • ESD protection greater than 4 kV (HBM)
  • 8-pin DFN (6 x 5 mm) ECOPACK® package
• Security features
  • Monitoring of environmental parameters
  • Protection against faults
  • ISO 3309 CRC calculation block
  • True random number generator
  • Unique serial number on each die
  • Hardware data encryption standard (DES) accelerator
• Software features
  • Flash loader
  • Flash drivers
• 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