Microchip PIC32MK0256MCJ048 Handleiding

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© 2013-2015 Microchip Technology Inc.DS60001192B-page 50-1

Section 50. CPU for Devices with MIPS32

®

microAptiv™

and M-Class Cores

This section of the manual contains the following topics:

50.1Introduction..............................................................................................................50-2

50.2Architecture Overview.............................................................................................50-4

50.3PIC32 CPU Details..................................................................................................50-8

50.4Special Considerations When Writing to CP0 Registers.......................................50-13

50.5MIPS32 Architecture..............................................................................................50-14

50.6CPU Bus................................................................................................................50-15

50.7Internal System Busses.........................................................................................50-15

50.8Set/Clear/Invert......................................................................................................50-16

50.9ALU Status Bits......................................................................................................50-16

50.10Interrupt and Exception Mechanism......................................................................50-17

50.11Programming Model..............................................................................................50-17

50.12Floating Point Unit (FPU).......................................................................................50-24

50.13Coprocessor 0 (CP0) Registers.............................................................................50-42

50.14Coprocessor 1 (CP1) Registers...........................................................................50-121

50.15microMIPS Execution..........................................................................................50-132

50.16MCU ASE Extension...........................................................................................50-132

50.17MIPS DSP ASE Extension..................................................................................50-133

50.18Memory Model (MCU only)..................................................................................50-133

50.19Memory Management (MPU only).......................................................................50-135

50.20L1 Caches (MPU only)........................................................................................50-141

50.21CPU Instructions..................................................................................................50-145

50.22MIPS DSP ASE Instructions................................................................................50-151

50.23CPU Initialization.................................................................................................50-153

50.24Effects of a Reset................................................................................................50-154

50.25Related Application Notes...................................................................................50-155

50.26Revision History...................................................................................................50-156

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