STM32L051C8 datasheet(1/127 Pages) STMICROELECTRONICS

Part #	STM32L051C8

Description	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC

PDF	127 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 127 page

This is information on a product in full production.

March 2016

DocID025938 Rev 6

1/127

STM32L051x6 STM32L051x8

Access line ultra-low-power 32-bit MCU ARM®-based Cortex®-M0+,

up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC

Datasheet

- production data

Features

 Ultra-low-power platform

– 1.65 V to 3.6 V power supply

–

-40 to 125 °C temperature range

– 0.27 µA Standby mode (2 wakeup pins)

– 0.4 µA Stop mode (16 wakeup lines)

– 0.8 µA Stop mode + RTC + 8 KB RAM retention

– 88 µA/MHz in Run mode

– 3.5 µs wakeup time (from RAM)

– 5 µs wakeup time (from Flash memory)

 Core: ARM® 32-bit Cortex®-M0+ with MPU

– From 32 kHz up to 32 MHz max.

– 0.95 DMIPS/MHz

 Reset and supply management

– Ultra-safe, low-power BOR (brownout reset)

with 5 selectable thresholds

– Ultra-low-power POR/PDR

– Programmable voltage detector (PVD)

 Clock sources

– 1 to 25 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– High speed internal 16 MHz factory-trimmed RC

(+/- 1%)

– Internal low-power 37 kHz RC

– Internal multispeed low-power 65 kHz to

4.2 MHz RC

– PLL for CPU clock

 Pre-programmed bootloader

– USART, SPI supported

 Development support

– Serial wire debug supported

 Up to 51 fast I/Os (45 I/Os 5V tolerant)

 Memories

– Up to 64 KB Flash memory with ECC

–8KB RAM

– 2 KB of data EEPROM with ECC

– 20-byte backup register

– Sector protection against R/W operation

 Rich Analog peripherals

– 12-bit ADC 1.14 Msps up to 16 channels (down

to 1.65 V)

– 2x ultra-low-power comparators (window mode

and wake up capability, down to 1.65 V)

 7-channel DMA controller, supporting ADC, SPI,

I2C, USART, Timers

 7x peripheral communication interfaces

– 2x USART (ISO 7816, IrDA), 1x UART (low

power)

– Up to 4x SPI 16 Mbits/s

– 2x I2C (SMBus/PMBus)

 9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit

with up to 2 channels, 1x 16-bit ultra-low-power

timer, 1x SysTick, 1x RTC, 1x 16-bit basic, and 2x

watchdogs (independent/window)

 CRC calculation unit, 96-bit unique ID

 All packages are ECOPACK®2

Table 1. Device summary

Reference

Part number

STM32L051x6

STM32L051C6,

STM32L051K6,

STM32L051R6,

STM32L051T6

STM32L051x8

STM32L051C8,

STM32L051K8,

STM32L051R8,

STM32L051T8

UFQFPN32

5x5 mm

LQFP32 7x7 mm

LQFP48 7x7 mm

LQFP64 10x10 mm

WLCSP36

TFBGA64

5x5mm

www.st.com

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