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47
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13. Parallel Interface
This bidirectional parallel interface is compatible with the IEEE1284 Compatibility and Nibble modes. Contact your dealer for
details.
Pinout for the two modes
Pin number
Direction
Compatibility mode
Nibble mode
In
nStrobe
HostClk
In/Out
Data0
Data0
In/Out
Data
Data
In/Out
Data
Data
In/Out
Data
Data
In/Out
Data
Data
7
In/Out
Data
Data
In/Out
Data
Data
In/Out
Data7
Data7
0
Out
nAck
PtrClk
Out
Busy
PtrBusy/Data3,7
Out
PError
AckDataReq/Data2,6
Out
Select
Xflag/Data1,5
−
HostBusy
−
−
Signal GND
Signal GND
17
Frame GND
Frame GND
Out
+V
+V
~ 0
Twisted Pair Return
Twisted Pair Return
In
nInit
nInit
Out
nFault
nDataAvail/Data0,4
EXT GND
−
In
Compulsion Status
−
−
−
In
nSelectIn
1284Active
Note 1)
The prefix “n” on the signal name refers to low active signals.
If any of the signal lines listed above is not available on the host, bidirectional communication is not possible.
2)
Be sure to use twisted pair wires for each signal line, and connect the return wires to signal ground.
(19)
(18)
(36)
( 1 )
Compatible with
Amphenol 57-30360
