STMicroelectronics AN2857 STM8S Series MCU Power Management Application Note

This application note provides an overview of the hardware implementation of STM8S low-power modes and provides firmware examples to measure STM8S power consumption and wake-up time in different modes.


STMicroelectronics AN2857 STM8S Series MCU Power Management Application Note - cover page
Brand
STMicroelectronics
Category
microcontrollers
Document type
Application Note
Language
Chinese
Pages
19
File format
PDF
File size
422 KB
Published
07 August, 2012
Updated
30 September, 2023
Model
AN2857
MD5 checksum
34AA6BF3313DAC856C6D7D36CCE958A8

About this manual

This document provides an overview of hardware implementation for various low-power modes in the STM8S product family. It details methods to measure current consumption during these modes and upon waking up from them.

The application note includes firmware routines designed to measure power consumption across different modes and wake-up times, along with specific rules to minimize power usage. This manual is written in Chinese.

What's inside

  • Factors affecting power consumption
  • Power supply sources (Internal/External)
  • Clock management
  • Low-power modes (Wait/Halt/Sleep)
  • Active Halt mode details
  • Halt mode details
  • Measurement of power and wake-up time

Frequently asked questions

What is the operating voltage range for STM8S products?

The required operating voltage range is 3V to 5.5V.

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