STM32L051R6 datasheet(10/133 Pages) STMICROELECTRONICS

10 / 133 page

Description

STM32L051x6 STM32L051x8

10/133

DS10184 Rev 10

Description

The access line ultra-low-power STM32L051x6/8 microcontrollers incorporate the high-

performance Arm Cortex-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory

protection unit (MPU), high-speed embedded memories (64 Kbytes of Flash program

memory, 2 Kbytes of data EEPROM and 8 Kbytes of RAM) plus an extensive range of

enhanced I/Os and peripherals.

The STM32L051x6/8 devices provide high power efficiency for a wide range of

performance. It is achieved with a large choice of internal and external clock sources, an

internal voltage adaptation and several low-power modes.

The STM32L051x6/8 devices offer several analog features, one 12-bit ADC with hardware

oversampling, two ultra-low-power comparators, several timers, one low-power timer

(LPTIM), three general-purpose 16-bit timers and one basic timer, one RTC and one

SysTick which can be used as timebases. They also feature two watchdogs, one watchdog

with independent clock and window capability and one window watchdog based on bus

clock.

Moreover, the STM32L051x6/8 devices embed standard and advanced communication

interfaces: up to two I2C, two SPIs, one I2S, two USARTs, a low-power UART (LPUART), .

The STM32L051x6/8 also include a real-time clock and a set of backup registers that

remain powered in Standby mode.

The ultra-low-power STM32L051x6/8 devices operate from a 1.8 to 3.6 V power supply

(down to 1.65 V at power down) with BOR and from a 1.65 to 3.6 V power supply without

BOR option. They are available in the -40 to +125 °C temperature range. A comprehensive

set of power-saving modes allows the design of low-power applications.

STM32L051R6 Datasheet(PDF) 10 Page - STMicroelectronics