M80C51 데이터 시트보기 (PDF) - Oki Electric Industry

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M80C51

CMOS 8-Bit Microcontroller

Oki Electric Industry 

¡ Semiconductor

PIN CONFIGURATION (TOP VIEW)

MSM80C31F/80C51F

P1.0 1

P1.1 2

P1.2 3

P1.3 4

P1.4 5

P1.5 6

P1.6 7

P1.7 8

RESET 9

RXD/P3.0 10

TXD/P3.1 11

INT0/P3.2 12

INT1/P3.3 13

T0/P3.4 14

T1/P3.5 15

WR/P3.6 16

RD/P3.7 17

XTAL2 18

XTAL1 19

VSS 20

40 VCC

39 P0.0

38 P0.1

37 P0.2

36 P0.3

35 P0.4

34 P0.5

33 P0.6

32 P0.7

31 EA

30 ALE

29 PSEN

28 P2.7

27 P2.6

26 P2.5

25 P2.4

24 P2.3

23 P2.2

22 P2.1

21 P2.0

40-Pin Plastic DIP

5/38

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