技术特性

• Core: ARM 32-bit Cortex™-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, frequency up to 168 MHz, memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
• Memories
  • Up to 2 Mbyte of Flash memory
  • Up to 256+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM
  • Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories
• LCD parallel interface, 8080/6800 modes
• Clock, reset and supply management
  • 1.8 V 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)
  • 32 kHz oscillator for RTC with calibration
  • Internal 32 kHz RC with calibration
  • Sleep, Stop and Standby modes
  • VBATsupply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM
• 3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode
• 2×12-bit D/A converters
• General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
• Up to 17 timers: up to twelve 16-bit and two 32-bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
• Debug mode
  • Serial wire debug (SWD) & JTAG interfaces
  • Cortex-M4 Embedded Trace Macrocell™
• Up to 140 I/O ports with interrupt capability
  • Up to 136 fast I/Os up to 84 MHz
  • Up to 138 5 V-tolerant I/Os
• Up to 20 communication interfaces
  • Up to 3 × I²C interfaces (SMBus/PMBus)
  • Up to 4 USARTs/4 UARTs (10.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)
  • Up to 6 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock
  • 2 × CAN interfaces (2.0B Active)
  • SDIO interface
• Advanced connectivity
  • 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- to 14-bit parallel camera interface up to 54 Mbytes/s
• True random number generator
• CRC calculation unit
• 96-bit unique ID
• RTC: subsecond accuracy, hardware calendar

管脚定义图