Sonic Alert msm85c154hvs, msm83c154s, msm80154s MSM80C154S/MSM83C154S pin layout top view

Models: msm83c154s msm85c154hvs msm80154s

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SYSTEM CONFIGURATION

MSM80C154SJS/MSM83C154SJS (Top View) 44 Pin Plastic QFJ

P1.4

6

P1.5

7

P1.6

8

P1.7

9

RESET

10

P3.0/RXD

11

NC

12

P3.1/TXD

13

P3.2/INT0

14

P3.3/INT1

15

P3.4/T0

16

P3.5/T1/HPDI

17

P1.3

5

P1.2

4

P1.1/T2EX

3

P1.0/T2

2

MSM80C154SJS/MSM83C154SJS

NC

1

VCC

44

P0.0

43

P0.1

42

P0.2

41

P0.3

40

39P0.4

38P0.5

37P0.6

36P0.7

35EA

34NC

33ALE

32PSEN

31P2.7

30P2.6

29P2.5

18

19

20

21

22

23

24

25

26

27

P3.6/WR

P3.7/RD

XTAL2

XTAL1

VSS

NC

P2.0

P2.1

P2.2

P2.3

MSM80C154STS/MSM83C154STS (Top View) 44 Pin Plastic Package

28

P2.4

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

MSM83C154STS

MSM80C154STS/

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

P2.4

P2.3

P2.2

P2.1

P2.0

VSS

VSS

XTAL1

XTAL2

P3.7/RD

P3.6/WR

Figure 2-2 MSM80C154S/MSM83C154S pin layout (top view)

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Sonic Alert msm85c154hvs, msm83c154s, msm80154s user manual MSM80C154S/MSM83C154S pin layout top view