Rainbow-electronics T89C51AC2 Instrukcja Użytkownika Pobierz pdf (Strona 3)

3

T89C51AC2

Rev. B – 19-Dec-01

4. Pin Configuration

PLCC44

P1.3 / AN3 / CEX0

P1.2 / AN2 / ECI

P1.1 / AN1 / T2EX

P1.0 / AN 0 / T2

VAREF

VAGND

RESET

VSS

VCC

XTAL1

XTAL2

P3.7 / RD

P2.7 / A15

P2.6 / A14

P2.5 / A13

P2.4 / A12

P2.3 / A11

P2.2 / A10

P2.1 / A9

P3.6 / WR

39

38

37

36

35

34

33

32

29

30

31

7

8

9

10

11

12

13

14

17

16

15

18

19

20

21

22

23

24

25

26

27

28

6

5

4

3

2

44

43

42

41

40

ALE

PSEN

P0.7 / AD7

P0.6 / AD6

P0.5 / AD5

P0.2 / AD2

P0.3 / AD3

P0.4 / AD4

P0.1 / AD1

P0.0 / AD0

P2.0 / A8

P1.4 / AN4 / CEX1

P1.5 / AN5 / CEX2

P1.6 / AN6 / CEX3

P1.7 / AN7 / CEX4

EA

P3.0 / RxD

P3.1 / TxD

P3.2 / INT0

P3.3 / INT1

P3.4 / T0

P3.5 / T1

1

P4.0

P4.1

43 42 41 40 3944

38 37 36 35 34

12 13 17161514 201918 21 22

33

32

31

30

29

28

27

26

25

24

23

TQFP44

1

2

3

4

5

6

7

8

9

10

11

P1.4 / AN4 / CEX1

P1.5 / AN5 / CEX2

P1.6 / AN6 / CEX3

P1.7 / AN7 / CEX4

EA

P3.0 / RxD

P3.1 / TxD

P3.2 / INT0

P3.3 / INT1

P3.4 / T0

P3.5 / T1

ALE

PSEN

P0.7 / AD7

P0.6 / AD6

P0.5 / AD5

P0.2 /AD2

P0.3 /AD3

P0.4 /AD4

P0.1 /AD1

P0.0 /AD0

P2.0 / A8

P1.3 / AN3 / CEX0

P1.2 / AN2 / ECI

P1.1 / AN1 / T2EX

P1.0 / AN 0 / T2

VAREF

VAGND

RESET

VSS

VCC

XTAL1

XTAL2

P3.7 / RD

P2.7 / A15

P2.6 / A14

P2.5 / A13

P2.4 / A12

P2.3 / A11

P2.2 / A10

P2.1 / A9

P3.6 / WR

P4.1

P4.0

1 2 3 4 5 6 7 8 ... 109 110

T89C51AC2 1

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