Table 6-3 Chip-Select Group B Base Address Register Description; Table 6-4 Chip-Select Group C Base Address Register Description - Motorola MC68VZ328 User Manual

CSGBB Chip-Select Group B Base Address Register
BIT
14 13
15
GB GB GB
B28 B27 B26
TYPE rw rw rw
0 0
RESET
Table 6-3. Chip-Select Group B Base Address Register Description
Name
GBBx Group B Base Address
–
Bits 15 1 the high-order bits (28–14) of the starting
address for the chip-select range.
Reserved Reserved
Bit 0
CSGBC Chip-Select Group C Base Address Register
BIT
14 13
15
GB GB GB
C2 C2 C2
8 7
TYPE rw rw rw
0 0
RESET
Table 6-4. Chip-Select Group C Base Address Register Description
Name
GBCx Group C Base Address—These bits select
Bits 15–1 the high-order bits (28–14) of the starting
address for the chip-select range.
Reserved Reserved
Bit 0
12 11 10
GB GB GB GB
B25 B24 B23 B22
rw rw rw rw
0 0 0 0
Description
—
These bits select
12 11 10
GB GB GB GB
C2 C2 C2 C2
6 5 4 3
rw rw rw rw
0 0 0 0
Description
Chip-Select Logic
9 8 7 6
GB GB GB GB
B21 B20 B19 B18
rw rw rw rw
0 0 0 0
0x0000
The chip-select base address must be set
according to the size of the corresponding
chip-select signals of the group.
This bit is reserved and should be set to 0.
9 8 7 6
GB GB GB GB
C2 C2 C1 C1
2 1 0 9
rw rw rw rw
0 0 0 0
0x0000
The chip-select base address must be set
according to the size of the corresponding
chip-select signals of the group.
This bit is reserved and should be set to 0.
Programming Model
0x(FF)FFF102
5 4 3 2
GB GB GB GB
B17 B16 B15 B14
rw rw rw rw
0 0 0 0
Setting
0x(FF)FFF104
5 4 3 2
GB GB GB GB
C1 C1 C1 C1
8 7 6 5
rw rw rw rw
0 0 0 0
Setting
BIT
1
0
0 0
BIT
1
0
4
0 0
6-5