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11. Parallel Interface
The two-way parallel interface is compatible with the IEEE1284 compatibility mode and nibble
mode. Refer to the separate Specications Manual for details.
Table of Connection Signals for Each Mode
Pin No. Direction
Compatibility Mode
Signal Name
Nibble Mode
Signal Name
1 In nStrobe Host Clock
2 In/Out Data0 Data0
3 In/Out Data1 Data1
4 In/Out Data2 Data2
5 In/Out Data3 Data3
6 In/Out Data4 Data4
7 In/Out Data5 Data5
8 In/Out Data6 Data6
9 In/Out Data7 Data7
10 Out nAck PtrClk
11 Out Busy PtrBusy/Data3,7
12 Out PError AckDataReq/Data2,6
13 Out Select Xag/Data1,5
14 — HostBusy
15 — —
16 Signal GND Signal GND
17 Frame GND Flame GND
18 OUT +5 V +5 V
19~30 Twisted Pair Return Twisted Pair Return
31 In nInit nInit
32 Out nFault nDataAvail/Data0,4
33 External GND —
34 — —
35 — —
36 In nSelectIn 1284Active
Parallel interface connector (printer side)
This connector mates with an
Amphenol 57-30360 connector