Z8018010VSG Datasheet, PDF (38/85 Pages) Zilog, Inc. – Microprocessor Unit

Z80180
Microprocessor Unit
32
ø
32
31
INTi
33
NMI
MI *1
IORQ *1
Date IN *1
MREQ *2
RFSH *2
35
34
BUSREQ
BUSACK
ADDRESS
DATA
MREQ, RD
WR, IORQ
HALT
30
10
39
41
40
28
15
14
29
16
42
34
35
36
37
38
38
*3
43
44
Figure 17. CPU Timing (INT0 Acknowledge Cycle, Refresh Cycle)
PS014004-1106
Architecture