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Rev. 1.00
- 26 -
SRP-F310/312
3-5-2(c) Signal Specification (Compatibility/Nibble/Byte mode)
Pin No. Source Compatibility Mode Nibble Mode Byte Mode
1 Host nStrobe HostClk HostClk
2 Host / Printer Data 0 (LSB) - Data 0 (LSB)
3 Host / Printer Data 1 - Data 1
4 Host / Printer Data 2 - Data 2
5 Host / Printer Data 3 - Data 3
6 Host / Printer Data 4 - Data 4
7 Host / Printer Data 5 - Data 5
8 Host / Printer Data 6 - Data 6
9 Host / Printer Data 7 (MSB) - Data 7 (MSB)
10 Printer nAck PtrClk PtrClk
11 Printer Busy PtrBusy/Data3,7 PtrBusy
12 Printer Perror AckDataReq /Data2,6 AckDataReq
13 Printer Select Xflag/Data1,5 Xflag
14 Host nAutoFeed HostBusy HostBusy
15 NC ND ND
16 GND GND GND
17 FG FG FG
18 Printer Logic-H Logic-H Logic-H
19~30 GND GND GND
31 Host nlnit nInit nlnit
32 Printer nFault nDataAvail /Data0,4 nDataAvail
33 GND ND ND
34 Printer DK_Status ND ND
35 Printer +5V ND ND
36 Host nSelectln 1284-Active 1284-Active
Table 3-17 IEEE1284 Pin Description
3-5-2(c) IEEE1284 I/F Cable
Host Side: DB25M
Printer Side: CN36M
Figure 3-8 IEEE1284 Cable