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The Definitive Guide to the ARM Cortex-M3 by Joseph Yiu

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CHAPTER 8 The NVIC and Interrupt Control

NVIC Overview

As we’ve seen, the Nested Vectored Interrupt Controller, or NVIC, is an integrated part of the Cortex-M3 processor. It is closely linked to the Cortex-M3 CPU core logic. Its control registers are accessible as memory-mapped devices. Besides control registers and control logic for interrupt processing, the NVIC also contains control registers for the MPU, the SYSTICK Timer, and debugging controls. In this chapter we’ll examine the control logic for interrupt ...

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