STM32L471

STM32L471xx Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, analog, audio Datasheet - production data Features Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/105/125 °C temperature range – 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers – 30 nA Shutdown mode (5 wakeup pins) – 120 nA Standby mode (5 wakeup pins) – 420 nA Standby mode with RTC – 1.1 µA Stop 2 mode, 1.4 µA with RTC – 100 µA/MHz run mode – 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 (ART Accelerator™) allowing 0-wait-state execution from 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 – 294 ULPMark™ CP score – 106 ULPMark™ PP 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 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy) – 3 PLLs for system clock, audio, ADC Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V LQFP144 (20 × 20) LQFP100 (14 × 14) LQFP64 (10 × 10) UFBGA132 (7 × 7) UFBGA144 (10 × 10) RTC with HW c...