Chapter 9

Low Power and System Control Features

Abstract

The first part of this chapter covers the characteristics of low power systems, the low power feature available on the Cortex®-M processors, and how to utilize the low power feature in application software. The second part of the chapter describes system features including the SysTick timer, self reset and other programmable system control registers.

Keywords

sleep; low power; WFI; WFE; event; Sleep-on-Exit; Wakeup Interrupt Controller (WIC); SysTick; reset; System Control Block (SCB)

Chapter Outline

Get The Definitive Guide to ARM® Cortex®-M3 and Cortex®-M4 Processors, 3rd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.