STM32L462CEU6 datasheet(1/198 Pages) STMICROELECTRONICS

部件名	STM32L462CEU6

功能描述	Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, 512KB Flash, 160KB SRAM, analog, audio, AES

PDF	198 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 198 page

This is information on a product in full production.

April 2017

DocID029969 Rev 1

1/198

STM32L462CE STM32L462RE

STM32L462VE

Ultra-low-power ARM® Cortex®-M4 32-bit MCU+FPU, 100DMIPS,

512KB Flash, 160KB SRAM, analog, audio, AES

Datasheet

- production data

Features

• Ultra-low-power with FlexPowerControl

– 1.71 V to 3.6 V power supply

– -40 °C to 85/125 °C temperature range

– 200 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)

– 348 nA Standby mode with RTC

– 2.16 µA Stop 2 mode, 2.23 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

– 174.5 ULPBench® 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: 1x 16-bit advanced motor-control,

1x 32-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)

– 1× 12-bit ADC 5 Msps, up to 16-bit with

hardware oversampling, 200 µA/Msps

– 1x 12-bit DAC, 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

• 16x 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)

– 3x SPIs (4x SPIs with the Quad SPI)

– CAN (2.0B Active) and SDMMC interface

UFBGA100 (7×7)

LQFP64 (10x10)

UFBGA64 (5x5)

LQFP100 (14x14)

WLCSP64 UFQFPN48 (7x7)

www.st.com

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