Motorola IH5 Manuel D’Utilisation
viii
Introduction ............................................................................................................... 2-1
Applying Power ......................................................................................................... 2-1
Memory Maps............................................................................................................ 2-3
Applying Power ......................................................................................................... 2-1
Memory Maps............................................................................................................ 2-3
PCI Local Bus Memory Map ............................................................................. 2-4
CompactPCI Memory Map ................................................................................ 2-5
CompactPCI Memory Map ................................................................................ 2-5
L2 Cache............................................................................................................. 2-6
System Clock Generator..................................................................................... 2-6
PPC Bus Arbitration ........................................................................................... 2-6
PCI Host Bridge ................................................................................................. 2-6
PCI Arbitration ................................................................................................... 2-8
Interrupt Handling .............................................................................................. 2-8
ISA DMA Channels ........................................................................................... 2-9
Sources of Reset ................................................................................................. 2-9
System Clock Generator..................................................................................... 2-6
PPC Bus Arbitration ........................................................................................... 2-6
PCI Host Bridge ................................................................................................. 2-6
PCI Arbitration ................................................................................................... 2-8
Interrupt Handling .............................................................................................. 2-8
ISA DMA Channels ........................................................................................... 2-9
Sources of Reset ................................................................................................. 2-9
Power-On Reset ........................................................................................ 2-11
Undervoltage Reset ................................................................................... 2-11
Front Panel Push Button Reset.................................................................. 2-11
CompactPCI Reset (RST#) ....................................................................... 2-11
Watchdog Timer Reset.............................................................................. 2-11
Software Resets ......................................................................................... 2-12
Reset Source Identification ....................................................................... 2-12
Undervoltage Reset ................................................................................... 2-11
Front Panel Push Button Reset.................................................................. 2-11
CompactPCI Reset (RST#) ....................................................................... 2-11
Watchdog Timer Reset.............................................................................. 2-11
Software Resets ......................................................................................... 2-12
Reset Source Identification ....................................................................... 2-12
Processor/Memory Domain ...................................................................... 2-12
PCI Domain............................................................................................... 2-13
PCI Domain............................................................................................... 2-13