Parallel Interface Technical Information

Pin No.

Description

1

nStrobe/Host Clk

 

 

2-9

Data Bits 1-8

 

 

10

nACK/PtrClk

 

 

11

Busy/Per Busy

12

PError/ACK Data Req.

13

Select/Xflag

 

 

14

nAuto Fd/Host Busy

 

 

15

Not Used

 

 

16 & 17

Ground

 

 

18

+5 V @ 0.75 A Fused

 

 

19-30

Ground

 

 

31

nInit

 

 

32

nFault/nData Avail.

 

 

33 & 34

Not Used

 

 

35

+5V through 1.8 KΩ Resistor

 

 

36

nSelectin/1284 active

 

 

NOTE: The maximum current available through the serial and/or parallel port is not to exceed a total of 0.75 Amps.

48