Features
■ Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/105/125 °C temperature range – 8 nA Shutdown mode (2 wakeup pins) – 28 nA Standby mode (2 wakeup pins) – 280 nA Standby mode with RTC – 1.0 µA Stop 2 mode, 1.28 µA Stop 2 with RTC – 84 µA/MHz run mode – Batch acquisition mode (BAM) – 4 µs wakeup from Stop mode – Brown out reset (BOR) in all modes except shutdown – Interconnect matrix
■ Core: ARM® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions
■ Performance Benchmark – 1.25 DMIPS/MHz (Drystone 2.1) – 273.55 Coremark® (3.42 Coremark/MHz @ 80 MHz)
■ Energy Benchmark – 176.7 ULPBench® score
■ Clock Sources – 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 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy) – Internal 48 MHz with clock recovery – 2 PLLs for system clock, USB, audio, ADC
■ RTC with HW calendar, alarms and calibration
■ Up to 3 capacitive sensing channels
■ 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 (available in Stop mode), 2x watchdogs, SysTick timer
■ Up to 26 fast I/Os, most 5 V-tolerant
■ Memories – Up to 256 KB single bank Flash, proprietary code readout protection – 64 KB of SRAM including 16 KB with hardware parity check – Quad SPI memory interface
■ Rich analog peripherals (independent supply) – 1× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps – 2x 12-bit DAC, low-power sample and hold – 1x operational amplifier with built-in PGA – 2x ultra-low-power comparators
■ 13x communication interfaces – USB 2.0 full-speed crystal less solution with LPM and BCD – 1x SAI (serial audio interface) – 2x I2C FM+(1 Mbit/s), SMBus/PMBus – 3x USARTs (ISO 7816, LIN, IrDA, modem) – 2x SPIs (3x SPIs with the Quad SPI) – CAN (2.0B Active) – 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™ UFQFPN32 (5x5)