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Number
22.5.2.1
Single Write Operation ............................................................................ 22-66
22.5.2.2
Block Write Operation............................................................................. 22-66
22.5.3
Read Operation to Memory-Mapped Locations and MPC500 Registers .... 22-68
22.5.3.1
Single Read Operation............................................................................. 22-68
22.5.3.2
Block Read Operation.............................................................................. 22-68
22.5.4
Read/Write Access to Internal READI Registers ........................................ 22-69
22.5.4.1
Write Operation ....................................................................................... 22-69
22.5.4.2
Read Operation ........................................................................................ 22-70
22.5.5
Error Handling ............................................................................................. 22-70
22.5.5.1
Access Alignment.................................................................................... 22-70
22.5.5.2
L-Bus Address Error................................................................................ 22-70
22.5.5.3
L-Bus Data Error ..................................................................................... 22-70
22.5.6
Exception Sequences ................................................................................... 22-71
22.5.7
Secure Mode ................................................................................................ 22-71
22.5.8
Error Messages ............................................................................................ 22-71
22.5.8.1
Read/Write Access Error ......................................................................... 22-71
22.5.8.2
Invalid Message ....................................................................................... 22-72
22.5.8.3
Invalid Access Opcode ............................................................................ 22-72
22.5.9
Faster Read/Write Accesses with Default Attributes................................... 22-73
22.5.10
Throughput and Latency.............................................................................. 22-73
22.5.10.1
Assumptions for Throughput Analysis.................................................... 22-73
22.6
Read/Write Timing Diagrams .......................................................................... 22-75
22.7
Watchpoint Support ........................................................................................ 22-77
22.7.1
Watchpoint Messaging................................................................................. 22-77
22.7.1.1
Watchpoint Source Field.......................................................................... 22-78
22.7.2
Watchpoint Overrun Error Message ............................................................ 22-78
22.7.3
Synchronization ........................................................................................... 22-79
22.7.4
Watchpoint Timing Diagrams...................................................................... 22-79
22.8
Ownership Trace ............................................................................................. 22-80
22.8.1
Ownership Trace Messaging........................................................................ 22-80
22.8.2
Queue Overflow Ownership Trace Error Message...................................... 22-80
22.8.2.1
OTM Flow ............................................................................................... 22-81
22.8.2.2
OTM Queueing........................................................................................ 22-81
22.8.3
OTM Timing Diagrams ............................................................................... 22-81
22.9
RCPU Development Access ........................................................................... 22-82
22.9.1
RCPU Development Access Messaging...................................................... 22-82
22.9.1.1
DSDI Message ......................................................................................... 22-82
22.9.1.2
DSDO Message ....................................................................................... 22-83
22.9.1.3
BDM Status Message .............................................................................. 22-83
22.9.1.4
Error Message (Invalid Message)............................................................ 22-84
22.9.2
RCPU Development Access Operation ....................................................... 22-84
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
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