MPC5604B/C Microcontroller Reference Manual, Rev. 8
212 Freescale Semiconductor
10.1.2 Features
The MC_PCU includes the following features:
• support for 3 power domains
• support for device modes RESET, DRUN, SAFE, TEST, RUN0…3, HALT, STOP, and STANDBY
(for further mode details, please see the MC_ME chapter)
• power states updating on each mode change and on system wakeup
• a handshake mechanism for power state changes thus guaranteeing operable voltage
• maps the VREG registers to the MC_PCU address space
10.1.3 Modes of Operation
The MC_PCU is available in all device modes.
MC_ME
FIRC
VREG
WKPU
power
domains
Power Domain
State Machines
Registers
Platform Interface
MC_PCU
Figure 10-1. MC_PCU Block Diagram
Mapped Module Interface
mapped
peripheral
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