User's Manual

SYSTEM CONFIGURATION
13
7P1.5
8P1.6
9P1.7
10RESET
11P3.0/RXD
12NC
13P3.1/TXD
14P3.2/INT0
15P3.3/INT1
16P3.4/T0
17P3.5/T1/HPDI
MSM80C154SJS/MSM83C154SJS
MSM80C154SJS/MSM83C154SJS
(Top View) 44 Pin Plastic QFJ
P3.6/WR
P3.7/RD
XTAL2 XTAL1
VSS
NC
P2.0 P2.1 P2.2 P2.3 P2.4
P1.4 P1.3 P1.2 P1.1/T2EX P1.0/T2 NC VCC P0.0 P0.1 P0.2 P0.3
39 P0.4
38 P0.5
37 P0.6
36 P0.7
35 EA
34 NC
33 ALE
32 PSEN
31 P2.7
30 P2.6
29 P2.5
18 19 20 21 22 23 24 25 26 27 28
654321 44 43 42 41 40
1P1.5
2P1.6
3P1.7
4RESET
5P3.0/RXD
6NC
7P3.1/TXD
8P3.2/INT0
9P3.3/INT1
10P3.4/T0
11P3.5/T1/HPDI
MSM80C154STS/ MSM83C154STS
MSM80C154STS/MSM83C154STS
(Top View) 44 Pin Plastic Package
P3.6/WR
P3.7/RD
XTAL2 XTAL1
VSS VSS
P2.0 P2.1 P2.2 P2.3 P2.4
P1.4 P1.3 P1.2 P1.1/T2EX P1.0/T2 NC VCC P0.0 O0.1 P0.2 P0.3
P0.4
P0.5
P0.6
P0.7
EA
NC
ALE
PSEN
P2.7
P2.6
P2.5
33
32
31
30
29
28
27
26
25
24
23
4443 42 4140 39 383736 35 34
1213 14 1516 17 181920 21 22
Figure 2-2 MSM80C154S/MSM83C154S pin layout (top view)