STM32L051X6 Datasheet, PDF (1/127 Pages) STMicroelectronics – Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0+, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC

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
)%*$
UFQFPN32
5x5 mm
LQFP32 7x7 mm
LQFP48 7x7 mm
LQFP64 10x10 mm
WLCSP36
TFBGA64
5x5mm
 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
STM32L051x8
STM32L051C6,
STM32L051K6,
STM32L051R6,
STM32L051T6
STM32L051C8,
STM32L051K8,
STM32L051R8,
STM32L051T8
March 2016
This is information on a product in full production.
DocID025938 Rev 6
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