Features

•Core:Arm®32-bit Cortex®-M0 CPU,frequency up to 48 MHz

•Memories

–16 to 256 Kbytes of Flash memory

–4 to 32 Kbytes of SRAM with HW parity

•CRC calculation unit

•Reset and power management

–Digital&I/Os supply:VDD=2.4 V to 3.6 V

–Analog supply:VDDA=VDD 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 55 I/Os with 5V tolerant capability

•5-channel DMA controller

•One 12-bit,1.0µs ADC(up to 16 channels)

–Conversion range:0 to 3.6 V

–Separate analog supply:2.4 V to 3.6 V

•Calendar RTC with alarm and periodic wakeup from Stop/Standby

•11 timers

–One 16-bit advanced-control timer for six-channel PWM output

–Up to seven 16-bit timers,with up to four IC/OC,OCN,usable for IR control decoding

–Independent and system watchdog timers

–SysTick timer

•Communication interfaces

–Up to two I2C interfaces

–Fast Mode Plus(1 Mbit/s)support on one or two I/Fs,with 20 mA current sink

–SMBus/PMBus support(on single I/F)

–Up to six USARTs supporting master synchronous SPI and modem control;one with auto baud rate detection

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

•Serial wire debug(SWD)

•All packages ECOPACK®2