MOTOROLA
Contents
xi
CONTENTS
Paragraph
Number
Title
Page
Number
8.4.3.1
Transfer Type Signal (TT[0Ð4]) Encoding ................................................8-10
8.4.3.2
Transfer Code Signals TC[0Ð2] .................................................................8-13
8.4.3.3
TBST and TSIZ[0Ð3] Signals and Size of Transfer...................................8-13
8.4.3.4
Burst Ordering During Data Transfers.......................................................8-14
8.4.3.5
Effect of Alignment on Data Transfers......................................................8-14
8.4.3.6
Effect of Port Size on Data Transfers ........................................................8-16
8.4.3.7
60x-Compatible Bus ModeÑSize Calculation..........................................8-19
8.4.3.8
Extended Transfer Mode............................................................................8-20
8.4.4
Address Transfer Termination .......................................................................8-23
8.4.4.1
Address Retried with ARTRY ...................................................................8-23
8.4.4.2
Address Tenure Timing Configuration ......................................................8-25
8.4.5
Pipeline Control .............................................................................................8-26
8.5
Data Tenure Operations .....................................................................................8-26
8.5.1
Data Bus Arbitration ......................................................................................8-26
8.5.2
Data Streaming Mode ....................................................................................8-27
8.5.3
Data Bus Transfers and Normal Termination ................................................8-27
8.5.4
Effect of ARTRY Assertion on Data Transfer and Arbitration .....................8-28
8.5.5
Port Size Data Bus Transfers and PSDVAL Termination .............................8-28
8.5.6
Data Bus Termination by Assertion of TEA..................................................8-30
8.6
Memory CoherencyÑMEI Protocol..................................................................8-31
8.7
Processor State Signals.......................................................................................8-32
8.7.1
Support for the lwarx/stwcx. Instruction Pair ................................................8-33
8.7.2
TLBISYNC Input...........................................................................................8-33
8.8
Little-Endian Mode ............................................................................................8-33
Chapter 9
Clocks and Power Control
9.1
Clock Unit ............................................................................................................9-1
9.2
Clock Configuration.............................................................................................9-2
9.3
External Clock Inputs...........................................................................................9-5
9.4
Main PLL .............................................................................................................9-5
9.4.1
PLL Block Diagram .........................................................................................9-5
9.4.2
Skew Elimination .............................................................................................9-6
9.5
Clock Dividers......................................................................................................9-6
9.6
The MPC8260Õs Internal Clock Signals...............................................................9-6
9.6.1
General System Clocks ....................................................................................9-7
9.7
PLL Pins...............................................................................................................9-7
Содержание MPC8260 PowerQUICC II
Страница 1: ...MPC8260UM D 4 1999 Rev 0 MPC8260 PowerQUICC II UserÕs Manual ª ª ...
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Страница 66: ...lxvi MPC8260 PowerQUICC II UserÕs Manual MOTOROLA ...
Страница 88: ...1 18 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Part I Overview ...
Страница 120: ...2 32 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Part I Overview ...
Страница 138: ...Part II iv MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Part II Configuration and Reset ...
Страница 184: ...4 46 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Part II ConÞguration and Reset ...
Страница 202: ...Part III vi MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Part III The Hardware Interface ...
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Страница 430: ...Part IV viii MOTOROLA Part IV Communications Processor Module ...
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Страница 980: ...A 4 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA Appendixes ...
Страница 1002: ...Index 22 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA INDEX ...
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