z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 19

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

4
UM005003-0703
Z8018x
Family MPU User Manual
INT0
INT1
INT2
A10
V
A11
A6
A3
A1
A7
A8
A9
ST
A0
A2
A5
A4
SS
Figure 2.
10
11
12
13
15
19
20
21
22
23
24
25
26
14
16
17
18
68-Pin PLCC
Z8X180
51
50
49
48
47
46
45
44
59
56
53
52
60
58
57
55
54
HALT
TEND1
DREQ1
CKS
RXS/CTS1
TXS
CKA1/TEND0
RXA1
TEST
TXA1
CKA0/DREQ0
RXA0
TXA0
DCD0
CTS0
RTS0
D7