ZiLOG Z8018 Series User Manual page 75

MMU Common Base Register (CBR)
CBR specifies the base address (on 4K boundaries) used to generate a 20-
bit physical address for Common Area 1 accesses. All bits of CBR are
reset to 0 during RESET.
MMU Common Base Register (CBR: 38H)
Bit 7
Bit/Field CB7
R/W R/W
Reset 0
Note: R = Read W = Write X = Indeterminate ? = Not Applicable
Bit
Position Bit/Field R/W
– –
7 0 CB7 0
6 5
CB6 CB5 CB4
R/W R/W R/W
0 0
Value Description
R/W CBR specifies the base address (on 4KB boundaries) used
to generate a 20-bit physical address for Common Area 1
accesses.
Family MPU User Manual
4 3 2
CB3 CB2
R/W R/W
0 0 0
Z8018x
1 0
CB1 CB0
R/W R/W
0 0
UM005004-0918
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