Parallel Interface Technical Information

Pin No.

Description

1

 

nStrobe/HostClk

2-9

 

Data Bits 1-8

10

 

nACK/PtrClk

11

 

Busy/PtrBusy

 

 

 

12

 

PError/ACKDataReq

 

 

 

13

 

Select/Xflag

14

 

nAutoFd/HostBusy

 

 

 

15

 

Not Used

 

 

 

16 &

17

Ground

 

 

 

18

 

+5V @ 0.75A Fused

 

 

19-30

Ground

 

 

 

31

 

nInit

 

 

 

32

 

nFault/nDataAvail

 

 

 

33 &

34

Not Used

 

 

 

35

 

+5V through a 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.

52