Features:

• Ultra-low-power with FlexPowerControl– 1.71 V to 3.6 V power supply– -40 °C to 85/105/125 °C temperature range– 200 nA in VBAT mode: supply for RTC and32x32-bit backup registers– 8 nA Shutdown mode (5 wakeup pins)– 28 nA Standby mode (5 wakeup pins)– 280 nA Standby mode with RTC– 1.0 µA Stop 2 mode, 1.28 µA with RTC– 84 µA/MHz run mode (LDO Mode)– 36 μA/MHz run mode (@3.3 V SMPSMode)– Batch acquisition mode (BAM)– 4 µs wakeup from Stop mode– Brown out reset (BOR)– Interconnect matrix

• Core: Arm® 32-bit Cortex®-M4 CPU with FPU,Adaptive real-time accelerator (ARTAccelerator™) allowing 0-wait-state executionfrom Flash memory, frequency up to 80 MHz,MPU, 100DMIPS and DSP instructions

• Performance benchmark– 1.25 DMIPS/MHz (Drystone 2.1)– 273.55 CoreMark® (3.42 CoreMark/MHz @80 MHz)

• Energy benchmark– 253 ULPBench® score

• Clock Sources– 4 to 48 MHz crystal oscillator– 32 kHz crystal oscillator for RTC (LSE)– Internal 16 MHz factory-trimmed RC (±1%)– Internal low-power 32 kHz RC (±5%)– Internal multispeed 100 kHz to 48 MHzoscillator, auto-trimmed by LSE (better than±0.25 % accuracy)– Internal 48 MHz with clock recovery– 2 PLLs for system clock, USB, audio, ADC

• Up to 83 fast I/Os, most 5 V-tolerant

• RTC with HW calendar, alarms and calibration

• LCD 8× 40 or 4× 44 with step-up converter

• Up to 21 capacitive sensing channels: supporttouchkey, linear and rotary touch sensors

• 11x timers: 1x 16-bit advanced motor-control,1x 32-bit and 2x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (availablein Stop mode), 2x watchdogs, SysTick timer

• Memories– Up to 256 KB single bank Flash,proprietary code readout protection– 64 KB of SRAM including 16 KB withhardware parity check– Quad SPI memory interface

• Rich analog peripherals (independent supply)– 1x 12-bit ADC 5 Msps, up to 16-bit withhardware oversampling, 200 µA/Msps– 2x 12-bit DAC output channels, low-powersample and hold– 1x operational amplifier with built-in PGA– 2x ultra-low-power comparators

• 17x communication interfaces– USB 2.0 full-speed crystal less solutionwith LPM and BCD– 1x SAI (serial audio interface)– 3x I2C FM+(1 Mbit/s), SMBus/PMBus– 4x USARTs (ISO 7816, LIN, IrDA, modem)– 1x LPUART (Stop 2 wake-up)– 3x SPIs (and 1x Quad SPI)– CAN (2.0B Active) and SDMMC interface– SWPMI single wire protocol master I/F– IRTIM (Infrared interface)

• 14-channel DMA controller

• True random number generator

• CRC calculation unit, 96-bit unique ID

• Development support: serial wire debug(SWD), JTAG, Embedded Trace Macrocell™

• All packages are ECOPACK2® compliant