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Chapter 7 power management, 1 features, 2 memory map and registers – Motorola ColdFire MCF5281 User Manual

Page 137: 1 programming model, Chapter 7, Power management, Features -1, Memory map and registers -1, 1 programming model -1

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Freescale Semiconductor

7-1

Chapter 7
Power Management

The power management module (PMM) controls the device’s low-power operation.

7.1

Features

The following features support low-power operation.

Four modes of operation:
— Run
— Wait
— Doze
— Stop

Ability to shut down most peripherals independently

Ability to shut down the external CLKOUT pin

7.2

Memory Map and Registers

This subsection provides a description of the memory map and registers.

7.2.1

Programming Model

The PMM programming model consists of one register:

The low-power control register (LPCR) specifies the low-power mode entered when the STOP
instruction is issued, and controls clock activity in this low-power mode.

MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3

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