AN4635 datasheet(1/34 Pages) STMICROELECTRONICS

Il numero della parte	AN4635

Spiegazioni elettronici	Minimization of power consumption using LPUART in microcontrollers of the STM32L0 series

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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April 2015

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AN4635

Application note

Minimization of power consumption using LPUART

in microcontrollers of the STM32L0 series

Introduction

Microcontrollers of the STM32L0 series feature an alternative UART interface, designed to

allow the MCU to operate with minimum power requirements.

This document aims to explain how to fully exploit the advantages of the Low Power UART

(LPUART), thus extending product battery life for the above mentioned products.

It shows in practical examples the extremely low power consumption of the device waiting

for a communication.

The following documents (available from www.st.com) are to be considered as reference:

• Application note AN4445: “STM32L0xx ultra-low power features overview”

• Reference manual RM0376: “Ultra-low-power STM32L0x2 advanced ARM®-based 32-bit

MCUs”.

www.st.com

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