Features：

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

• Memories

– 16 to 32 Kbytes of Flash memory

– 6 Kbytes of SRAM with HW parity

• CRC calculation unit

• Reset and power management

– Digital and I/Os supply: VDD = 2 V to 3.6 V

– Analog supply: VDDA = from VDD to 3.6 V

– Selected I/Os: VDDIO2 = 1.65 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

– Internal 48 MHz oscillator with automatictrimming based on ext. synchronization

• Up to 38 fast I/Os

– All mappable on external interrupt vectors

– Up to 24 I/Os with 5 V tolerant capabilityand 8 with independent supply VDDIO2

• 5-channel DMA controller

• One 12-bit, 1.0 µs ADC (up to 10 channels)

– Conversion range: 0 to 3.6 V

– Separate analog supply: 2.4 V to 3.6 V

• Up to 14 capacitive sensing channels fortouchkey, linear and rotary touch sensors

• Calendar RTC with alarm and periodic wakeupfrom Stop/Standby

• Nine timers

– One 16-bit advanced-control timer for sixchannel PWM output

– One 32-bit and four 16-bit timers, with up tofour IC/OC, OCN, usable for IR controldecoding

– Independent and system watchdog timers

– SysTick timer

• Communication interfaces

– One I2C interface supporting Fast ModePlus (1 Mbit/s) with 20 mA current sink,SMBus/PMBus and wakeup

– Two USARTs supporting mastersynchronous SPI and modem control, onewith ISO7816 interface, LIN, IrDA, autobaud rate detection and wakeup feature

– Two SPIs (18 Mbit/s) with 4 to 16programmable bit frames, one with I2Sinterface multiplexed

– CAN interface

– USB 2.0 full-speed interface, able to runfrom internal 48 MHz oscillator and withBCD and LPM support

• HDMI CEC, wakeup on header reception

• Serial wire debug (SWD)

• 96-bit unique ID

• All packages ECOPACK®2