Motorola PowerQUICC II MPC8280 Series Reference Manual page 9

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2.3.2 PowerPC Instruction Set and Addressing Modes .......................................... 2-16
2.3.2.1 Calculating Effective Addresses................................................................ 2-16
2.3.2.2 PowerPC Instruction Set............................................................................ 2-17
2.3.2.3 MPC8280 Implementation-Specific Instruction Set.................................. 2-19
2.4 Cache Implementation ....................................................................................... 2-19
2.4.1 PowerPC Cache Model.................................................................................. 2-19
2.4.2 MPC8280 Implementation-Specific Cache Implementation......................... 2-19
2.4.2.1 Data Cache................................................................................................. 2-20
2.4.2.2 Instruction Cache ....................................................................................... 2-21
2.4.2.3 Cache Locking ........................................................................................... 2-22
2.4.2.3.1 Entire Cache Locking ............................................................................ 2-22
2.4.2.3.2 Way Locking.......................................................................................... 2-22
2.5 Exception Model................................................................................................ 2-22
2.5.1 PowerPC Exception Model............................................................................ 2-23
2.5.2 Implementation-Specific Exception Model ................................................... 2-24
2.6 Memory Management........................................................................................ 2-27
2.6.1 PowerPC Memory Management.................................................................... 2-27
2.6.2 Implementation-Specific MMU Features ...................................................... 2-27
2.7 Instruction Timing.............................................................................................. 2-28
2.8 Differences Between the MPC8280 G2_LE
Embedded Core and the MPC603e................................................................ 2-29
Intended Audience ...............................................................................................II-1
Contents ...............................................................................................................II-1
Suggested Reading...............................................................................................II-1
Conventions .........................................................................................................II-1
Acronyms and Abbreviations ..............................................................................II-2
4.1 System Configuration and Protection .................................................................. 4-2
4.1.1 Bus Monitor ..................................................................................................... 4-4
4.1.2 Timers Clock.................................................................................................... 4-4
4.1.3 Time Counter (TMCNT).................................................................................. 4-5
MOTOROLA
Freescale Semiconductor, Inc.
Contents
Title
Chapter 3
Memory Map
Part II
Configuration and Reset
Chapter 4
System Interface Unit (SIU)
Contents
For More Information On This Product,
Go to: www.freescale.com
Page
Number
ix