Datasheet STMicroelectronics STM32L412CBU6P

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Detailed Description

• Ultra-low-power with FlexPowerControl
  • 1.71 V to 3.6 V power supply
  • -40 °C to 85/125 °C temperature range
  • 300 nA in V_BAT mode: supply for RTC and 32x32-bit backup registers
  • 16 nA Shutdown mode (4 wakeup pins)
  • 32 nA Standby mode (4 wakeup pins)
  • 245 nA Standby mode with RTC
  • 0.7 µA Stop 2 mode, 0.95 µA with RTC
  • 79 µA/MHz run mode (LDO Mode)
  • 28 μA/MHz run mode (@3.3 V SMPS 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
  • 442 ULPMark-CP
  • 165 ULPMark-PP
• 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
  • PLL for system clock
• Up to 52 fast I/Os, most 5 V-tolerant
• RTC with HW calendar, alarms and calibration
• Up to 12 capacitive sensing channels: support touchkey, linear and rotary touch sensors
• 10x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 1x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

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Other Options

STM32L412C8 STM32L412K8 STM32L412KB STM32L412R8 STM32L412RB STM32L412T8 STM32L412TB

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Manufacturer's Classification

• Microcontrollers & Microprocessors > STM32 32-bit Arm Cortex MCUs > STM32 Ultra Low Power MCUs > STM32L4 Series > STM32L4x2