Motorola MVME2300 Series User Manual
Page 127
Raven Registers
http://www.motorola.com/computer/literature
2-57
2
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
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)
0 1 2 3 4 5 6 7 8 9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
Name
CONFIG_ADDRESS
EN
BUS
DEV
FUN
REG
Operation
R/W
R
R/W
R/W
R/W
R/W
R
R
Reset
1
$00
$00
$00
$0
$00
0
0