ST78C34 查看數據表（PDF） - Exar Corporation

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ST78C34

GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO

Exar Corporation 

ST78C34

Figure 1, PACKAGE DESCRIPTION, ST78C34

Plastic-DIP Package

-ERROR 1

SLCT 2

BUSY 3

-ACK 4

PE 5

INTSEL 6

D7 7

D6 8

D5 9

D4 10

D3 11

D2 12

D1 13

D0 14

N.C. 15

INT 16

XTAL1 17

XTAL2 18

-CS 19

GND 20

40 VCC

39 -IOR

38 -IOW

37 A1

36 A0

35 N.C.

34 PD7

33 PD6

32 PD5

31 PD4

30 PD3

29 PD2

28 PD1

27 PD0

26 GND

25 -SLCTIN

24 INIT

23 -AUTOFDX

22 -STROBE

21 RESET

Rev. 3.00

6-4

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