Rainbow-electronics AT89C55WD Manuel d'utilisateur télécharger pdf (Page 2)

2

AT89C55WD

1921B–MICRO–09/02

Pin Configurations

TQFP

PDIP

PLCC

1

2

3

4

5

6

7

8

9

10

11

33

32

31

30

29

28

27

26

25

24

23

P1.5

P1.6

P1.7

RST

(RXD) P3.0

NC

(TXD) P3.1

(INT0) P3.2

(INT1) P3.3

(T0) P3.4

(T1) P3.5

P0.4 (AD4)

P0.5 (AD5)

P0.6 (AD6)

P0.7 (AD7)

EA/VPP

NC

ALE/PROG

PSEN

P2.7 (A15)

P2.6 (A14)

P2.5 (A13)

44

43

42

41

40

39

38

37

36

35

34

12

13

14

15

16

17

18

19

20

21

22

(WR) P3.6

(RD) P3.7

XTAL2

XTAL1

GND

GND

(A8) P2.0

(A9) P2.1

(A10) P2.2

(A11) P2.3

(A12) P2.4

P1.4

P1.3

P1.2

P1.1 (T2 EX)

P1.0 (T2)

NC

VCC

P0.0 (AD0)

P0.1 (AD1)

P0.2 (AD2)

P0.3 (AD3)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

(T2) P1.0

(T2EX) P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

RST

(RXD) P3.0

(TXD) P3.1

(INT0) P3.2

(INT1) P3.3

(T0) P3.4

(T1) P3.5

(WR) P3.6

(RD) P3.7

XTAL2

XTAL1

GND

VCC

P0.0 (AD0)

P0.1 (AD1)

P0.2 (AD2)

P0.3 (AD3)

P0.4 (AD4)

P0.5 (AD5)

P0.6 (AD6)

P0.7 (AD7)

EA/VPP

ALE/PROG

PSEN

P2.7 (A15)

P2.6 (A14)

P2.5 (A13)

P2.4 (A12)

P2.3 (A11)

P2.2 (A10)

P2.1 (A9)

P2.0 (A8)

7

8

9

10

11

12

13

14

15

16

17

39

38

37

36

35

34

33

32

31

30

29

P1.5

P1.6

P1.7

RST

(RXD) P3.0

NC

(TXD) P3.1

(INT0) P3.2

(INT1) P3.3

(T0) P3.4

(T1) P3.5

P0.4 (AD4)

P0.5 (AD5)

P0.6 (AD6)

P0.7 (AD7)

EA/VPP

NC

ALE/PROG

PSEN

P2.7 (A15)

P2.6 (A14)

P2.5 (A13)

6

5

4

3

2

1

44

43

42

41

40

18

19

20

21

22

23

24

25

26

27

28

(WR) P3.6

(RD) P3.7

XTAL2

XTAL1

GND

NC

(A8) P2.0

(A9) P2.1

(A10) P2.2

(A11) P2.3

(A12) P2.4

P1.4

P1.3

P1.2

P1.1 (T2 EX)

P1.0 (T2)

NC

VCC

P0.0 (AD0)

P0.1 (AD1)

P0.2 (AD2)

P0.3 (AD3)

1 2 3 4 5 6 7 ... 36 37

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