ST STM32L433RCT3

Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, external SMPS

• Ultra-low-power with FlexPowerControl
  • 1.71 V to 3.6 V power supply
  • -40 °C to 85/105/125 °C temperature range
  • 200 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
  • 8 nA Shutdown mode (5 wakeup pins)
  • 28 nA Standby mode (5 wakeup pins)
  • 280 nA Standby mode with RTC
  • 1.0 μA Stop 2 mode, 1.28 μA with RTC
  • 84 μA/MHz run mode (LDO Mode)
  • 36 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
  • 347 ULPMark™ CP score
  • 121 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)
  • Internal 48 MHz with clock recovery
  • 2 PLLs for system clock, USB, audio, ADC
• Up to 83 fast I/Os, most 5 V-tolerant
• RTC with HW calendar, alarms and calibration
• LCD 8x40 or 4x44 with step-up converter
• Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors
• 11x timers: 1x16-bit advanced motor-control, 1x32-bit and 2x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
• Memories
  • Up to 256 KB single bank Flash, proprietary code readout protection
  • 64 KB of SRAM including 16 KB with hardware parity check
  • Quad SPI memory interface
• Rich analog peripherals (independent supply)
  • 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
  • 2x 12-bit DAC output channels, low-power sample and hold
  • 1x operational amplifier with built-in PGA
  • 2x ultra-low-power comparators
• 17x communication interfaces
  • USB 2.0 full-speed crystal less solution with LPM and BCD
  • 1x SAI (serial audio interface)