Motorola MVME2300 Series - Manual (Page 115)

Raven Registers
http://www.motorola.com/computer/literature 2-45
2
START Start Address. Determines the start address of a
particular memory area on the MPC bus which will be
used to access PCI bus resources. The value of this field
will be compared with the upper 16 bits of the incoming
MPC address.
END End Address. Determines the end address of a particular
memory area on the MPC bus which will be used to access
PCI bus resources. The value of this field will be
compared with the upper 16 bits of the incoming MPC
address.
MPC Slave Offset/Attribute (0,1 and 2) Registers
MSOFFx MPC Slave Offset. A 16-bit offset that is added to the
upper 16 bits of the MPC address to determine the PCI
address used for transfers from the MPC bus to PCI. This
offset allows PCI resources to reside at addresses that
would not normally be visible from the MPC bus.
REN Read Enable. If set, the corresponding MPC slave is
enabled for read transactions.
WEN Write Enable. If set, the corresponding MPC slave is
enabled for write transactions.
Address MSOFF0/MSATT0 - $FEFF0044
MSOFF1/MSATT1 - $FEFF004C
MSOFF2/MSATT2 - $FEFF0054
Bit
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 MSOFFx MSATTx
REN WEN WPE
N
MEM IOM
Operation R/W R
R/
W R/
W R R/
W R R R/
W R/
W
Reset $0000 $00
0 0 0 0 0 0 0 0