Power PMAC User’s Manual
Table of Contents vii
Communicating with the Power PMAC Control Application................................................................42
Establishing Communications with the IDE...............................................................................................44
Startup Communications Control Window............................................................................................44
Embedded Communications Control Window.......................................................................................45
Changing the Power PMAC IP Address................................................................................................46
Finding an Unknown IP Address...........................................................................................................47
Power PMAC Commands...........................................................................................................................48
On-Line (Immediate) Commands...........................................................................................................48
Buffered Program Commands...............................................................................................................50
Power PMAC Processing of Commands...............................................................................................51
POWER PMAC SYSTEM CONFIGURATION...................................................................................55
Physical Configuration Status Reporting....................................................................................................55
General Configuration...........................................................................................................................55
Interface ICs Present.............................................................................................................................56
Interface IC Addresses...........................................................................................................................56
Interface IC Configuration Information................................................................................................56
Change in Configuration.......................................................................................................................57
Power PMAC System Clock Source...........................................................................................................57
Default Clock Source.............................................................................................................................57
IC Clock Generation Facilities..............................................................................................................57
Distribution of Clock Signals.................................................................................................................58
Re-Initialization Clock Actions..............................................................................................................59
Normal Reset Clock Actions..................................................................................................................59
Changing the Clock Source from Default..............................................................................................60
Setting System Clock Frequencies..............................................................................................................60
Phase and Servo-Clock Hardware Tasks ..............................................................................................60
Phase-Clock Software Tasks..................................................................................................................61
Servo-Clock Software Tasks ..................................................................................................................61
Real-Time Interrupt Software Tasks......................................................................................................62
Background Tasks..................................................................................................................................63
Multi-Tasking Example..........................................................................................................................64
Using the IDE to Set Phase and Servo Clock Frequencies ...................................................................65
Setting Phase and Servo Clock Frequencies in PMAC2-Style ICs........................................................65
Setting Phase and Servo Clock Frequencies in PMAC3-Style ICs........................................................68
Clock-Related Software Settings............................................................................................................69
Setting the Phase and Servo Clock Period in the CPU .........................................................................70
Diagnosing Issues with Clock Settings.......................................................................................................71
Missing Clock Signals............................................................................................................................71
Task Priority Duty Cycles......................................................................................................................71
