Motorola MVME2300 Series User Manual download pdf (Page 127)

Raven Registers

http://www.motorola.com/computer/literature 2-57

Perspective from the MPC bus in Little-Endian mode

The register fields are defined as follows:

REG Register Number.

Configuration Cycles: Identifies a target double word within a

target’s configuration space. This field is copied to the PCI AD bus

during the address phase of a Configuration cycle.

Special Cycles: This field must be written with all 0s.

FUN Function Number.

Configuration Cycles: Identifies a function number within a

target’s configuration space. This field is copied to the PCI AD bus

during the address phase of a Configuration cycle.

Special Cycles: This field must be written with all 1s.

DEV Device Number.

Configuration Cycles: Identifies a target’s physical PCI device

number. Refer to the section on Generating PCI Configuration

Cycles for a description of how this field is encoded.

Special Cycles: This field must be written with all 1s.

Offset $CFC $CFD $CFE $CFF

Bit (DL)

0123456789

Name CONFIG_ADDRESS

BUS DEV

FUN

REG

Operation

R/W

R R/W R/W R/W R/W

Reset

$00 $00 $00 $0 $00

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Motorola MVME2300 Series User Manual Page 127