Features:

• Core: Arm® 32-bit Cortex®-M0+ CPU,frequency up to 64 MHz

• -40°C to 85°C operating temperature

• Memories

– 512 Kbytes of Flash memory withprotection, two banks, read-while-writesupport

– 144 Kbytes of SRAM (128 Kbytes with HWparity check)

• CRC calculation unit

• Reset and power management

– Voltage range: 2.0 V to 3.6 V

– Power-on/Power-down reset (POR/PDR)

– Low-power modes:Sleep, Stop, Standby

– VBAT supply for RTC and backup registers

• Clock management

– 4 to 48 MHz crystal oscillator

– 32 kHz crystal oscillator with calibration

– Internal 16 MHz RC with PLL option (±5 %)

– Internal 32 kHz RC oscillator (±5 %)

• Up to 93 fast I/Os

– All mappable on external interrupt vectors

– Multiple 5 V-tolerant I/Os

• 12-channel DMA controller with flexiblemapping

• 12-bit, 0.4 µs ADC (up to 16 ext. channels)

– Up to 16-bit with hardware oversampling

– Conversion range: 0 to 3.6V

• 12 timers: 16-bit for advanced motor control,six 16-bit general-purpose, two basic 16-bit,two watchdogs, SysTick timer

• Calendar RTC with alarm and periodic wakeupfrom Stop/Standby

• Communication interfaces

– Three I2C-bus interfaces supporting Fastmode Plus (1 Mbit/s) with extra currentsink, two supporting SMBus/PMBus andwakeup from Stop mode

– Six USARTs with master/slavesynchronous SPI; three supportingISO7816 interface, LIN, IrDA capability,auto baud rate detection and wakeupfeature

– Three SPIs (32 Mbit/s) with 4- to 16-bitprogrammable bitframe, two multiplexedwith I2S interface

• USB 2.0 FS device and host controller

• Development support: serial wire debug (SWD)

• All packages ECOPACK 2 compliant