技术特性

• 内核：ARM 32位Cortex™-M3 CPU
  • 24 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1) performance
  • Single-cycle multiplication and hardware division
• 存储器
  • 16 to 128 Kbytes of Flash memory
  • 4 to 8 Kbytes of SRAM
• 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-24 MHz crystal oscillator
  • Internal 8 MHz factory-trimmed RC
  • Internal 40 kHz RC
  • PLL for CPU clock
  • 32 kHz oscillator for RTC with calibration
• 低功耗
  • Sleep, Stop and Standby modes
  • VBATsupply for RTC and backup registers
• 调试模式
  • Serial wire debug (SWD) and JTAG interfaces
• DMA
  • 7-channel DMA controller
  • Peripherals supported: timers, ADC, SPIs, I²Cs, USARTs and DACs
• 1个12位、1.2 μs 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
• 多达80个快速I/O端口
  • 37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
• 多达12个计时器
  • Up to three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter
  • 16-bit, 6-channel advanced-control timer: up to 6 channels for PWM output, dead time generation and emergency stop
  • One 16-bit timer, with 2 IC/OC, 1 OCN/PWM, dead-time generation and emergency stop
  • Two 16-bit timers, each with IC/OC/OCN/PWM, dead-time generation and emergency stop
  • 2 watchdog timers (Independent and Window)
  • SysTick timer: 24-bit downcounter
  • Two 16-bit basic timers to drive the DAC
• 多达8个通信接口
  • Up to two I²C interfaces (SMBus/PMBus)
  • Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
  • Up to 2 SPIs (12 Mbit/s)
  • Consumer electronics control (CEC) interface
• CRC计算单元，96位唯一ID
• ECOPACK®封装

功能框图