Features：

■ Core: ARM 32-bit Cortex™-M3 CPU

– 24 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1)performance

– Single-cycle multiplication and hardwaredivision

■ Memories

– 16 to 128 Kbytes of Flash memory

– 4 to 8 Kbytes of SRAM

■ Clock, reset and supply management

– 2.0 to 3.6 V application supply and I/Os

– POR, PDR and programmable voltagedetector (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

■ Low power

– Sleep, Stop and Standby modes

– VBAT supply for RTC and backup registers

■ Debug mode

– Serial wire debug (SWD) and JTAGinterfaces

■ DMA– 7-channel DMA controller

– Peripherals supported: timers, ADC, SPIs,I2Cs, USARTs and DACs

■ 1 × 12-bit, 1.2 µs A/D converter (up to 16channels)

– Conversion range: 0 to 3.6 V

– Temperature sensor

■ 2 × 12-bit D/A converters

■ Up to 80 fast I/O ports

– 37/51/80 I/Os, all mappable on 16 externalinterrupt vectors and almost all 5 V-tolerant

■ Up to 12 timers

– Up to three 16-bit timers, each with up to 4IC/OC/PWM or pulse counter

– 16-bit, 6-channel advanced-control timer:up to 6 channels for PWM output, deadtime generation and emergency stop

– One 16-bit timer, with 2 IC/OC, 1OCN/PWM, dead-time generation andemergency stop

– Two 16-bit timers, each withIC/OC/OCN/PWM, dead-time generationand emergency stop

– 2 watchdog timers (Independent andWindow)

– SysTick timer: 24-bit downcounter

– Two 16-bit basic timers to drive the DAC

■ Up to 8 communications interfaces

– 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 calculation unit, 96-bit unique ID

■ ECOPACK® packages