z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 18

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

Figure 1.
A18/TOUT
BUSREQ
BUSACK
RESET
EXTAL
XTAL
WAIT
INT0
INT2
INT1
64-Pin DIP
NMI
V
V
A10
A11
A16
A17
ST
A12
A14
A15
A13
A0
A1
A2
A5
A7
A3
A6
A8
A9
CC
A4
SS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
Z8X180
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
64
63
60
57
62
61
59
58
Phi
RD
WR
MI
E
MREQ
IORQ
RFSH
HALT
TEND1
DREQ1
CKS
RXS/CTS1
TXS
CKA1/TEND0
RXA1
TXA1
CKA0/DREQ0
RXA0
TXA0
DCO0
CTS0
RTS0
D7
D6
D5
D4
D3
D2
D1
D0
V
Family MPU User Manual
SS
UM005003-0703
Z8018x
3