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© 2007-2012 Microchip Technology Inc.DS61113E-page 2-1

CPU for Devices

with M4K® Core

2

Section 2. CPU for Devices with M4K® Core

HIGHLIGHTS

This section of the manual contains the following topics:

2.1 Introduction................................................................................................................2-2

2.2Architecture Overview ...............................................................................................2-3

2.3PIC32 CPU Details....................................................................................................2-6

2.4Special Considerations When Writing to CP0 Registers.........................................2-11

2.5Architecture Release 2 Details................................................................................2-12

2.6Split CPU bus ..........................................................................................................2-12

2.7Internal System Busses...........................................................................................2-13

2.8 Set/Clear/Invert........................................................................................................2-13

2.9ALU Status Bits........................................................................................................2-14

2.10Interrupt and Exception Mechanism........................................................................2-14

2.11Programming Model................................................................................................2-14

2.12Coprocessor 0 (CP0) Registers...............................................................................2-21

2.13 MIPS16e® Execution...............................................................................................2-55

2.14Memory Model.........................................................................................................2-55

2.15CPU Instructions, Grouped By Function..................................................................2-56

2.16CPU Initialization.....................................................................................................2-59

2.17Effects of a Reset....................................................................................................2-60

2.18Related Application Notes.......................................................................................2-61

2.19Revision History.......................................................................................................2-62

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