z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 213
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
- Current page: 213 of 326
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Timing Diagrams
ADDRESS
Data OUT
Data IN
RESET
MREQ
WAIT
IORQ
WR
PHI
M1
RD
ST
Figure 81.
68
62
10
4
6
T
2
1
1
17
7
9
8
3
63
67
19
T
5
AC Timing Diagram 1
2
Opcode Fetch Cycle
20
T
19
W
20
15
T
14
3
13
12
18
16
11
11
T
23
1
9
7
28
T
24
2
22
Family MPU User Manual
I/O Write Cycle*
I/O Read Cycle*
T
W
26
67
62
25
T
15
16
3
UM005003-0703
29
13
11
63
68
T
11
27
21
1
Z8018x
197
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