Cortex-M Architecture
Abstract
In this chapter, we will cover the key features of the Cortex-M processor family and how to use them in your application code. Once you have worked through this chapter and the previous chapter, you will be able to write code for most Cortex-M-based devices.
Keywords
Cortex-M; Cortex-M0; Cortex-M0+; Cortex-M3; Cortex-M4; Cortex-M7; Thumb-2; PSR Program Status Register; BASEPRI; FAULTMASK; SysTick; NVIC; BitBand; Saturated maths
Introduction
In this chapter, we will have a closer look at the Cortex-M processor Architecture. The bulk of this chapter will concentrate on the Cortex-M3 processor. Once we have a firm understanding of the Cortex-M3, we will look at the key differences in the Cortex-M0, M0+, and M4. ...
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