Features：

 Core: ARM® 32-bit Cortex™-M0 CPU,frequency up to 48 MHz

 Memories– 16 to 64 Kbytes of Flash memory– 4 to 8 Kbytes of SRAM with HW paritychecking

 CRC calculation unit

 Reset and power management

– Voltage range: 2.4 V to 3.6 V

– Power-on/Power down reset (POR/PDR)

– Low power modes: Sleep, Stop, Standby

 Clock management

– 4 to 32 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– Internal 8 MHz RC with x6 PLL option

– Internal 40 kHz RC oscillator

 Up to 55 fast I/Os

– All mappable on external interrupt vectors

– Up to 36 I/Os with 5 V tolerant capability                                                      

 5-channel DMA controller

 1 x 12-bit, 1.0 µs ADC (up to 16 channels)

– Conversion range: 0 to 3.6 V

– Separate analog supply from 2.4 up to3.6 V

 Up to 10 timers

– One 16-bit 7-channel advanced-controltimer for 6 channels PWM output, withdeadtime generation and emergency stop

– One 16-bit timer, with up to 4 IC/OC, usablefor IR control decoding

– One 16-bit timer, with 2 IC/OC, 1 OCN,deadtime generation and emergency stop

– Two 16-bit timers, each with IC/OC andOCN, deadtime generation, emergencystop and modulator gate for IR control

– One 16-bit timer with 1 IC/OC 

– One 16-bit basic timer

– Independent and system watchdog timers

– SysTick timer: 24-bit downcounter

 Calendar RTC with alarm and periodic wakeupfrom Stop/Standby

 Communication interfaces

– Up to two I2C interfaces: one supportingFast Mode Plus (1 Mbit/s) with 20 mAcurrent sink

– Up to two USARTs supporting mastersynchronous SPI and modem control; onewith auto baud rate detection

– Up to two SPIs (18 Mbit/s) with 4 to 16programmable bit frame

 Serial wire debug (SWD)