z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 215
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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ADDRESS
IORQ
PHI
WR
RD
Figure 83.
T
1
T
2
CPU Timing (IOC = 0)
CPU Timing (IOC = 0) (I/O Read Cycle, I/O Write Cycle)
28
9
I/O Read Cycle
T
w
T
3
13
29
I/O Read Cycle
I/O Write Cycle
T
1
Family MPU User Manual
I/O Write Cycle
T
2
28
22
T
w
UM005003-0703
29
T
3
Z8018x
25
199
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