Z86C90 Datasheet, PDF (3/14 Pages) Zilog, Inc. – ROMLESS CMOS Z8 8-BIT MICROCONTROLLER

PIN DESCRIPTION
R//W
P25
P26
P27
P04
P05
P06
P14
P15
P07
VCC
P16
P17
XTAL2
XTAL1
P31
P32
P33
P34
/AS
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
Z86C90/C89
10
DIP
31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
/DS
P24
P23
P22
P21
P20
P03
P13
P12
GND
P02
P11
P10
P01
P00
P30
P36
P37
P35
/RESET
40-Pin DIP Pin Assignments
3