STM32L471RET6 STMicroelectronics 32bit MCU

ECAD Model

Symbol

Footprint

Features

1.71 V to 3.6 V power supply
-40 °C to 85/105/125 °C temperature range
300 nA in V_BAT mode: supply for RTC and 32x32-bit backup registers
30 nA Shutdown mode (5 wakeup pins)
120 nA Standby mode (5 wakeup pins)
420 nA Standby mode with RTC
1.1 μA Stop 2 mode, 1.4 μA with RTC
100 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

294 ULPMark CP score
106 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)
3 PLLs for system clock, audio, ADC

Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V

RTC with HW calendar, alarms and calibration

Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors

16x timers: 2x 16-bit advanced motor-control, 2x 32-bit and 5x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

Applications

STM32L4

Specifications

Core Processor ARM Cortex M4
Speed 80MHz
Operating Temperature -40℃ ~ 85℃ (TA)
Program Memory Type FLASH
RAM Size 128K x 8
Number of I/O 51
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Mounting Type Surface Mount
Oscillator Type Internal
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
Core Size 32-Bit
Connectivity CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Program Memory Size 512KB (512K x 8)
Data Converters A/D 16x12b; D/A 2x12b
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V