ST STM32L462VEI6

This product is an ultra-low-power microcontroller based on an Arm 32-bit Cortex-M4 CPU with FPU, integrating an adaptive real-time accelerator, supporting multiple low-power modes, and featuring a rich set of peripherals and communication interfaces.

• Ultra-low-power with FlexPowerControl
  • 1.71 to 3.6 V power supply
  • -40 to 85/125 °C temperature range
  • 145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
  • 22 nA Shutdown mode (5 wakeup pins)
  • 106 nA Standby mode (5 wakeup pins)
  • 375 nA Standby mode with RTC
  • 2.05 μA Stop 2 mode, 2.40 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 CoreMark (3.42 CoreMark/MHz @ 80 MHz)
• Energy benchmark
  • 335 ULPMark CP score
  • 104 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, audio, ADC
• Up to 83 fast I/Os, most 5 V-tolerant
• RTC with HW calendar, alarms and calibration
• Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors
• 12x timers: 1x16-bit advanced motor-control, 1x32-bit and 3x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
• Memories
  • 512 KB single bank Flash, proprietary code readout protection
  • 160 KB of SRAM including 32 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
  • 1x 12-bit DAC output channels, low-power sample and hold
  • 1x operational amplifier with built-in PGA
  • 2x ultra-low-power comparators
  • Accurate 2.5 V or 2.048 V reference voltage buffered output
• AES: 128/256-bit key encryption hardware accelerator
• 17x communication interfaces
  • USB 2.0 full-speed crystal less solution with LPM and BCD
  • 1x SAI (serial audio interface)
  • 4x I²C FM+(1 Mbit/s), SMBus/PMBus
  • 3x USARTs (ISO 7816, LIN, IrDA, modem)
  • 1x UART (LIN, IrDA, modem)
  • 1x LPUART (Stop 2 wake-up)
  • 3x SPIs (and 1x Quad SPI)
  • CAN (2.0B Active) and SDMMC interface
  • IRTIM (Infrared interface)
• 14-channel DMA controller
• True random number generator
• CRC calculation unit, 96-bit unique ID
• Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell
• All packages are ECOPACK2 compliant