Features：

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

■ Memories

– 16 to 64 Kbytes of Flash memory

– 8 Kbytes of SRAM with HW parity checking

■ CRC calculation unit

■ Reset and power management

– Voltage range: 2.0 V to 3.6 V

– Power-on/Power down reset (POR/PDR)

– Programmable voltage detector (PVD)

– Low power modes: Sleep, Stop, Standby

– VBAT supply for RTC and backup registers

■ 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 × 12-bit, 1.0 µs ADC (up to 16 channels)

– Conversion range: 0 to 3.6V

– Separate analog supply from 2.4 up to 3.6

■ One 12-bit D/A converter

■ Two fast low-power analog comparators withprogrammable input and output

■ Up to 18 capacitive sensing channels supporting touchkey, linear and rotary touch sensors

■ Up to 11 timers

– One 16-bit 7-channel advanced-control timer for 6 channels PWM output, with deadtime generation and emergency stop

– One 32-bit and one 16-bit timer, with up to 4 IC/OC, usable for IR control decoding