详细说明：

Features
■ Core: ARM 32-bit Cortex™-M3 CPU
– 36 MHz maximum frequency,
1.25 DMIPS/MHz (Dhrystone 2.1)
performance
– Single-cycle multiplication and hardware
division
■ Memories
– 256 to 512 Kbytes of Flash memory
– up to 48 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
■ Clock, reset and supply management
– 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
■ Low power
– Sleep, Stop and Standby modes
– VBAT supply for RTC and backup registers
■ 1 x 12-bit, 1 μs A/D converters (up to 16
channels)
– Conversion range: 0 to 3.6 V
– Temperature sensor
■ 2 × 12-bit D/A converters
■ DMA
– 12-channel DMA controller
– Peripherals supported: timers, ADC, DAC,
SPIs, I2Cs and USARTs
■ Up to 112 fast I/O ports

– 51/80/112 I/Os, all mappable on 16
external interrupt vectors and almost all
5 V-tolerant
■ Debug mode
– Serial wire debug (SWD) & JTAG interfaces
– Cortex-M3 Embedded Trace Macrocell™
■ Up to 9 timers
– Up to four 16-bit timers, each 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
■ Up to 10 communication interfaces
– 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 calculation unit, 96-bit unique ID
■ ECOPACK® packages