STM32L431RB
STM32L431RB is Ultra-low-power Arm Cortex-M4 32-bit MCU+FPU manufactured by STMicroelectronics.
- Part of the STM32L431CC comparator family.
- Part of the STM32L431CC comparator family.
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...
