Features
■ Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/125 °C temperature range – 320 nA in VBAT mode: supply for RTC and 32x32-bit backup registers – 25 nA Shutdown mode (5 wakeup pins) – 108 nA Standby mode (5 wakeup pins) – 426 nA Standby mode with RTC – 2.57 µA Stop 2 mode, 2.86 µA Stop 2 with RTC – 91 µA/MHz run mode (LDO Mode) – 37 μA/MHz run mode (@3.3 V SMPS Mode) – Batch acquisition mode (BAM) – 5 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, 100 DMIPS and DSP instructions
■ Performance benchmark – 1.25 DMIPS/MHz (Drystone 2.1) – 273.55 Coremark® (3.42 Coremark/MHz @ 80 MHz)
■ Energy benchmark – 279 ULPMark™ CP score – 80.2 ULPMark™ PP score
■ 16 x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2 x 16-bit basic, 2 x low-power 16-bit timers (available in Stop mode), 2 x watchdogs, SysTick timer
■ RTC with HW calendar, alarms and calibration
■ Up to 136 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
■ Dedicated Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D)
■ 8- to 14-bit camera interface up to 32 MHz (black&white) or 10 MHz (color)
■ Encryption hardware accelerator: AES (128/256-bit key), HASH (SHA-256)
■ Memories – 1 MB Flash, 2 banks read-while-write, proprietary code readout protection – 320 KB of SRAM including 64 KB with hardware parity check – External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories – Dual-flash Quad SPI memory interface
■ 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 MHz oscillator, auto-trimmed by LSE (better than ±0.25% accuracy) – Internal 48 MHz with clock recovery – 3 PLLs for system clock, USB, audio, ADC
■ LCD 8 × 40 or 4 × 44 with step-up converter
■ Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
■ 4 x digital filters for sigma delta modulator UFBGA132 (7 × 7) LQFP144 (20 × 20) UFBGA169 (7 x 7) WLCSP100 LQFP100 (14 x 14) LQFP64 (10 x 10)