TS87C51U2 datasheet(5/67 Pages) ATMEL

Part #	TS87C51U2

Description	Double UART 8-bit CMOS Microcontroller

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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5 / 67 page

Rev. D - 15 January, 2001

5

TS80C51U2

TS83C51U2

TS87C51U2

6. Pin Configuration

s

5

4

3

2

1

6

44 43 42 41 40

P0.4/AD4

P0.6/AD6

P0.5/AD5

P0.7/AD7

ALE/PROG

PSEN

EA/VPP

TxD_1

P2.7/A15

P2.5/A13

P2.6/A14

43 42 41 40 39

44

38 37 36 35 34

P0.4/AD4

P0.6/AD6

P0.5/AD5

P0.7/AD7

ALE/PROG

PSEN

EA/VPP

TxD_1

P2.7/A15

P2.5/A13

P2.6/A14

P1.5

P1.6/RxD_1

P1.7/TxD_1

RST

P3.0/RxD_0

RxD_1

P3.1/TxD_0

P3.2/INT0

P3.3/INT1

P3.4/T0

P3.5/T1

P1.5

P1.6/RxD_1

P1.7/TxD_1

RST

P3.0/RxD_0

RxD_1

P3.1/TxD_0

P3.2/INT0

P3.3/INT1

P3.4/T0

P3.5/T1

*NIC: No Internal Connection

7

8

9

10

11

12

13

14

15

16

17

39

38

37

36

35

34

33

32

31

30

29

PLCC/CQPJ 44

33

32

31

30

29

28

27

26

25

24

23

VQFP44 1.4

1

2

3

4

5

6

7

8

9

10

11

18 19 20 21 22 23 24 25 26 27 28

12 13 14 15 16 17 18 19 20 21 22

P1.7/TxD_1

RST

P3.0/RxD_0

P3.1/TxD_0

P1.3/TxD_1

1

P1.5

P3.2/INT0

P3.3/INT1

P3.5/T1

P3.6/WR

P3.7/RD

XTAL2

XTAL1

VSS

P2.0 / A8

P2.1 / A9

P2.2 / A10

P2.3 / A11

P2.4 / A12

P0.4 / A4

P0.6 / A6

P0.5 / A5

P0.7 / A7

ALE/PROG

PSEN

EA/VPP

P2.7 / A15

P2.5 / A13

P2.6 / A14

P1.0 / T2

P1.1 / T2EX

VCC

P0.0 / A0

P0.1 / A1

P0.2 / A2

P0.3 / A3

PDIL/

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

CDIL40

P1.6/RxD_1

P1.4

P1.2/RxD_1

P3.4/T0

See “Alternate function on Port 1” on page 32 for accurate RxD_1 and TxD_1 pin location, depending on AUXR

register configuration.

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TS87C51U2 Datasheet(PDF) 5 Page - ATMEL Corporation

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