MSM80C154S/83C154S/85C154HVS

2.2 MSM80C154S/MSM83C154S pin layouts

MSM80C154SRS/MSM83C154SRS

(Top View) 40 Pin Plastic DIP

P1.0/T2 1 P1.1/T2EX 2 P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RESET 9 P3.0/RXD 10 P3.1/TXD 11 P3.2/INT0 12 P3.3/INT1 13 P3.4/T0 14

P3.5/T1/HPDI 15 P3.6/WR 16 P3.7/RD 17 XTAL2 18 XTAL1 19 VSS 20

MSM80C154SRS/MSM83C154SRS

40VCC

39P0.0

38P0.1

37P0.2

36P0.3

35P0.4

34P0.5

33P0.6

32P0.7

31EA

30ALE

29PSEN

28P2.7

27P2.6

26P2.5

25P2.4

24P2.3

23P2.2

22P2.1

21P2.0

MSM80C154SGS/MSM83C154SGS (Top View) 44 Pin Plastic Package

P1.5

P1.6

P1.7

RESET P3.0/RXD

NC P3.1/TXD P3.2/INT0 P3.3/INT1

P3.4/T0 P3.5/T1/HPDI

P1.4 P1.3 P1.2 P1.1/T2EX P1.0/T2 NC VCC P0.0 O0.1 P0.2 P0.3

44 43 42 41 40 39 38 37 36 35 34

1

 

 

33

2

 

 

32

3

MSM83C154SGS

MSM80C154SGS/

31

4

30

 

 

5

 

 

29

6

 

 

28

7

 

 

27

8

 

 

26

9

 

 

25

10

 

 

24

11

 

 

23

12 13 14 15 16 17 18 19 20 21 22

P0.4

P0.5

P0.6 P0.7

EA

NC ALE

PSEN

P2.7

P2.6 P2.5

P3.6/WR P3.7/RD XTAL2 XTAL1 VSS VSS P2.0 P2.1 P2.2 P2.3 P2.4

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Sonic Alert msm80154s, msm83c154s, msm85c154hvs user manual MSM80C154S/MSM83C154S pin layouts, MSM80C154SRS/MSM83C154SRS