z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 316
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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300
UM005003-0703
Register
MMU Common Base
Register:
MMU Bank Base Register
MMU Common/Bank
Register
Operation Mode Control
Register
I/O Control Register:
Z8018x
Family MPU User Manual
Table 57.
CBR
BBR
CBAR
OMCR
ICR
Mnemonics Address
Internal I/O Registers (Continued)
3
3
3
3
3
8
9
A
E
F
during RESET
during RESET
during RESET
during RESET
during RESET
R/W
R/W
R/W
R/W
R/W
bit
bit
bit
bit
bit
R/W
R/W
R/W
R/W
IOA7
R/W
BB7
CB7
CA3
MIE
0
0
1
1
0
M1 Enable
MITE
IOA6
BB6
CA2
CB6
R/W
R/W
R/W
R/W
0
W
I/O Address
0
1
1
0
M1 Temporary Enable
IOSTP
BB5
CB5
CA1
IOC
R/W
Remarks
R/W
R/W
R/W
R/W
MMU Common Area Register
0
0
1
1
0
I/O Compatibility
I/O Stop
BB4
CB4
CA0
R/W
R/W
R/W
—
—
0
0
1
1
1
BB3
BA3
CB3
R/W
R/W
R/W
0
0
0
1
—
1
—
MMU Bank Base Register
MMU Common Base Register
BB2
CB2
BA2
R/W
R/W
R/W
0
—
0
0
1
—
1
BB1
CB1
R/W
BA1
R/W
R/W
0
—
—
0
0
1
1
MMU Bank
Area Register
BB0
BA0
CB0
R/W
R/W
R/W
0
—
—
0
0
1
1
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