技术特性

• 内核：使用ARM 32位Cortex™-M3 CPU，自适应实时加速器(ART加速器™)可以让程序在Flash中以最高120MHz频率执行时，能够实现零等待状态的运行性能，内置存储器保护单元，能够实现高达150DMIPS/1.25DMIPS/MHz(Dhrystone 2.1)性能。
• 存储器
  • Up to 1 Mbyte of Flash memory
  • 512 bytes of OTP memory
  • Up to 128 + 4 Kbytes of SRAM
  • Flexible static memory controller that supports Compact Flash, SRAM, PSRAM, NOR and NAND memories
  • LCD parallel interface, 8080/6800 modes
• 时钟、复位和电源管理
  • From 1.65 to 3.6 V application supply and I/Os
  • POR, PDR, PVD and BOR
  • 4 to 26 MHz crystal oscillator
  • Internal 16 MHz factory-trimmed RC (1% accuracy at 25 °C)
  • 32 kHz oscillator for RTC with calibration
  • Internal 32 kHz RC with calibration
• 低功耗
  • Sleep, Stop and Standby modes
  • VBATsupply for RTC, 20 × 32 bit backup registers, and optional 4 KB backup SRAM
• 3x12位、0.5μs A/D转换器
  • up to 24 channels
  • up to 6 MSPS in triple interleaved mode
• 2x12位D/A转换器
• 通用DMA
  • 16-stream DMA controller with centralized FIFOs and burst support
• 多达17个定时器
  • Up to twelve 16-bit and two 32-bit timers, up to 120 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
• 调试模式
  • Serial wire debug (SWD) & JTAG interfaces
  • Cortex-M3 Embedded Trace Macrocell™
• 多达140个具有中断功能的I/O端口：
  • Up to 136 fast I/Os up to 60 MHz
  • Up to 138 5 V-tolerant I/Os
• 多达15个通信接口
  • Up to 3 × I²C interfaces (SMBus/PMBus)
  • Up to 4 USARTs and 2 UARTs (7.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)
  • Up to 3 SPIs (30 Mbit/s), 2 with muxed I2S to achieve audio class accuracy via audio PLL or external PLL
  • 2 × CAN interfaces (2.0B Active)
  • SDIO interface
• 高级互连功能
  • USB 2.0 full-speed device/host/OTG controller with on-chip PHY
  • USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI
  • 10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII
• 8~14位并行照相机接口：速度高达48M字节/s
• CRC计算单元
• 96位唯一ID
• 模拟随机数发生器

功能框图