Z86C90 Datasheet, PDF (4/14 Pages) Zilog, Inc. – ROMLESS CMOS Z8 8-BIT MICROCONTROLLER

PIN DESCRIPTION (Continued)
P21
P22
P23
P24
/DS
N/C
R//W
P25
P26
P27
P04
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
Z86C90/C89
35
12
PLCC
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
P30
P36
P37
P35
/RESET
GND
/AS
P34
P33
P32
P31
44-Pin PLCC Pin Assignments
P21
P22
P23
P24
/DS
N/C
R//W
P25
P26
P27
P04
33 32 31 30 29 28 27 26 25 24 23
34
22
35
21
36
20
37
19
38
Z86C90/C89
18
39
QFP
17
40
16
41
15
42
14
43
13
44
12
1 2 3 4 5 6 7 8 9 10 11
P30
P36
P37
P35
/RESET
GND
/AS
P34
P33
P32
P31
44-Pin QFP Pin Assignments
4