Motorola MVME2600 Series Programmer's Reference Manual page 8

ISA DMA Channels 1-48
Introduction 2-1
Overview 2-1
Requirements 2-2
Features 2-2
Block Diagram 2-4
Functional Description 2-5
MPC Bus Interface 2-5
MPC Arbiter 2-5
MPC Map Decoders 2-7
MPC Write Posting 2-8
MPC Master 2-9
MPC Bus Timer 2-10
PCI Interface 2-11
PCI Map Decoders 2-11
PCI Configuration Space 2-12
PCI Write Posting 2-12
PCI Master 2-13
Generating PCI Memory and I/O Cycles 2-14
Generating PCI ConÞguration Cycles 2-15
Generating PCI Special Cycles 2-16
Generating PCI Interrupt Acknowledge Cycles 2-16
Endian Conversion 2-17
When MPC Devices are Big-Endian 2-17
When MPC Devices are Little Endian 2-18
Cycles Originating From PCI 2-19
Error Handling 2-19
PCI/MPC Contention Handling 2-21
Registers 2-23
MPC Registers 2-23
Vendor ID/Device ID Registers 2-25
Revision ID Register 2-25
General Control-Status/Feature Registers 2-26
MPC Arbiter Control Register 2-29
Prescaler Adjust Register 2-30
MPC Error Enable Register 2-31
MPC Error Status Register 2-34
MPC Error Address Register 2-36
MPC Error Attribute Register - MERAT 2-36
PCI Interrupt Acknowledge Register 2-38
MPC Slave Address (0,1 and 2) Registers 2-39