Table of Contents
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Paragraph
Number
10.1
10.2
10.2.1
10.2.1.1
10.2.1.2
10.2.1.3
10.2.1.4
10.2.1.5
10.2.2
10.3
10.3.1
10.3.2
10.3.2.1
10.3.2.2
10.3.2.3
10.3.2.4
10.4
11.1
11.2
11.2.1
11.2.1.1
11.2.1.2
11.2.1.3
11.2.1.4
11.2.1.5
11.2.1.6
11.2.1.7
11.2.1.8
11.3
11.4
11.5
xiv
CONTENTS
Title
Chapter 10
Page
Number
Dynamic Power Management ............................................................................ 1 0-1
Programmable Power Modes .............................................................................. 10-1
Power Management Modes ............................................................................ 1 0-2
Full-Power Mode with DPM Disabled ....................................................... 10-2
Full-Power Mode with DPM Enabled ........................................................ 10-2
Doze Mode ................................................................................................. 10-3
Nap Mode ................................................................................................... 10-3
Sleep Mode ................................................................................................. 10-4
Power Management Software Considerations ................................................ 10-5
Thermal Assist Unit. ........................................................................................... 1 0-6
Thermal Assist Unit Overview ....................................................................... 10-6
Thermal Assist Unit Operation ....................................................................... 10-8
TAU Single Threshold Mode ..................................................................... 10-8
TAU Dual-Threshold Mode ....................................................................... 10-9
MPC750 Junction Temperature Determination ....................................... 10-10
Power Saving Modes and TAU Operation ............................................... 10-10
Instruction Cache Throttling ............................................................................. l 0-1 0
Chapter 11
Performance Monitor Interrupt.. ......................................................................... 11-2
Special-Purpose Registers Used by Performance Monitor. ................................ 11-3
Performance Monitor Registers ...................................................................... 11-3
Monitor Mode Control Register 0 (MMCRO) ............................................ 11-3
User Monitor Mode Control Register 0 (UMMCRO) ................................ 11-5
Monitor Mode Control Register 1 (MMCRl) ............................................ 11-5
User Monitor Mode Control Register 1 (UMMCRl) ................................ 11-6
Performance Monitor Counter Registers (PMCI-PMC4) ........................ .11-6
User Performance Monitor Counter Registers (UPMC 1-UPMC4) ......... 11-10
Sampled Instruction Address Register (SIA) ........................................... 11-10
User Sampled Instruction Address Register (USIA) ................................ 11-10
Event Counting ................................................................................................. 11-11
Event Selection ................................................................................................. 11-12
Warnings ........................................................................................................... 11-12
MPC750 RISC Microprocessor User's Manual
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