ST32F256-M M2M MCU with 32-bit ARM Cortex" M3 CPU and 256 Kbyte high-density Flash memory

The ST32F256-M is designed for machine-to-machine (M2M) applications. Its Cortex™-M3 32-bit RISC core operating at a 15-MHz frequency provides great performance and excellent code compacity.

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
ST32F256-M 功能框图
ST32F256-M 订购信息
订购型号 产品状态 美金价格 数量 封装 包装形式 温度范围 材料声明
ST32F256M Preview         -40 °C-105 °C ST32F256M
DATA BRIEF
描述 版本 大小
ST32F256-M : M2M MCU with 32-bit ARM Cortex™ M3 CPU and 256 Kbyte high-density Flash memory 3 87KB
FLYERS
描述 版本 大小
Secure MCUs for mobile communications and M2M 1.0.0 176KB