STM32L431KB Datasheet | STMicroelectronics

STM32L431xx Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, analog, audio - production data Features - Ultra-low-power with Flex Power Control - 1.71 V to 3.6 V power supply - -40 °C to 85/105/125 °C temperature range - 200 n A in VBAT mode: supply for RTC and 32x32-bit backup registers - 8 n A Shutdown mode (5 wakeup pins) - 28 n A Standby mode (5 wakeup pins) - 280 n A Standby mode with RTC - 1.0 µA Stop 2 mode, 1.28 µA with RTC - 84 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 Core Mark® (3.42 Core Mark/MHz @ 80 MHz) - Energy benchmark - 176.7 ULPBench® score - Clock Sources - 4 to 48 MHz crystal oscillator - 32 k Hz crystal oscillator for RTC (LSE) - Internal 16 MHz factory-trimmed RC (±1%) - Internal low-power 32 k Hz RC (±5%) - Internal multispeed 100 k Hz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy) - Internal 48 MHz with clock...