N80C251SA Ver la hoja de datos (PDF) - Intel

Número de pieza

componentes Descripción

Fabricante

N80C251SA

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel 

8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER

P1.0 / T2

1

40

VCC

P1.1 / T2EX

2

39

AD0 / P0.0

P1.2 / ECI

3

38

AD1 / P0.1

P1.3 / CEX0

4

37

AD2 / P0.2

P1.4 / CEX1

5

P1.5 / CEX2

6

P1.6 / CEX3 / WAIT#

7

P1.7 / CEX4 / A17 / WCLK

8

8XC251SA

36

AD3 / P0.3

8XC251SB

35

AD4 / P0.4

8XC251SP

34

AD5 / P0.5

8XC251SQ

33

AD6 / P0.6

RST

9

32

AD7 / P0.7

P3.0 / RXD

10

31

EA# / VPP

P3.1 / TXD

11

30

ALE / PROG#

P3.2 / INT0#

12

29

PSEN#

P3.3 / INT1#

13

28

A15 / P2.7

P3.4 / T0

14

View of

27

A14 / P2.6

P3.5 / T1

15

component

26

A13 / P2.5

P3.6 / WR#

16

as mounted

on PC board

25

A12 / P2.4

P3.7 / RD# / A16

17

24

A11 / P2.3

XTAL2

18

23

A10 / P2.2

XTAL1

19

22

A9 / P2.1

VSS

20

21

A8 / P2.0

Figure 4. 8XC251SA/SB/SP/SQ 40-pin PDIP and Ceramic DIP Packages

A4206-03

PRELIMINARY

7

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