技术特性

• 内核：带有MPU的ARM 32位Cortex™-M3 CPU
  • 36 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1) performance
  • Single-cycle multiplication and hardware division
• 存储器
  • 768 Kbytes to 1 Mbyte of Flash memory (dual bank with read-while-write capability)
  • 80 Kbytes of SRAM
  • Flexible static memory controller with 4 Chip Select. Supports Compact Flash, SRAM, PSRAM, NOR and NAND memories
  • LCD parallel interface, 8080/6800 modes
• 时钟、复位和电源管理
  • 2.0 to 3.6 V application supply and I/Os
  • POR, PDR, and programmable voltage detector (PVD)
  • 4-to-16 MHz crystal oscillator
  • Internal 8 MHz factory-trimmed RC
  • Internal 40 kHz RC with calibration capability
  • 32 kHz oscillator for RTC with calibration
• 低功耗
  • Sleep, Stop and Standby modes
  • VBAT supply for RTC and backup registers
• 1个12位、1μs A/D转换器(多达16个通道)
  • Conversion range: 0 to 3.6 V
  • Temperature sensor
• 2个12位D/A转换器
• DMA
  • 12-channel DMA controller
  • Peripherals supported: timers, ADC, DAC, SPIs, I²Cs and USARTs
• 多达112个高速I/O端口
  • 51/80/112 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
• 调试模式
  • Serial wire debug (SWD) & JTAG interfaces
  • Cortex-M3 Embedded Trace Macrocell™
• 多达15个定时器
  • Up to ten 16-bit timers, with up to 4 IC/OC/PWM or pulse counters
  • 2 × watchdog timers (Independent and Window)
  • SysTick timer: a 24-bit downcounter
  • 2 × 16-bit basic timers to drive the DAC
• 多达10个通信接口
  • Up to 2 x I²C interfaces (SMBus/PMBus)
  • Up to 5 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
  • Up to 3 SPIs (18 Mbit/s)
• CRC计算单元、96位唯一ID
• ECOPACK®封装

功能框图