Samsung SRP-350PG Service Manual - Page 22
-3-c Signal Specification Compatibility/Nibble/Byte mode
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2 Product Specifications 2-5 Interface Specifications 2-5-3-(c) Signal Specification (Compatibility/Nibble/Byte mode) Pin No. Source Compatibility Mode Nibble Mode 1 Host Nstrobe HostClk 2 Host / Printer Data 0 (LSB) - 3 Host / Printer Data 1 - 4 Host / Printer Data 2 - 5 Host / Printer Data 3 - 6 Host / Printer Data 4 - 7 Host / Printer Data 5 - 8 Host / Printer Data 6 - 9 Host / Printer Data 7 (MSB) - 10 Printer Nack PtrClk 11 Printer Busy PtrBusy /Data3,7 12 Printer Perror AckDataReq /Data2,6 13 Printer Select Xflag /Data1,5 14 Host NautoFd HostBusy 15 NC ND 16 GND GND 17 FG FG 18 Printer Logic-H Logic-H 19~30 GND GND 31 Host NInit Ninit 32 Printer Nfault nDataAvail /Data0,4 33 GND ND 34 Printer DK_Status ND 35 Printer +5V ND 36 Host NselectIn 1284-Active Table 2-16 IEEE1284 Pin Descirption Byte Mode HostClk Data 0 (LSB) Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 (MSB) PtrClk PtrBusy AckDataReq Xflag HostBusy ND GND FG Logic-H GND nInit nDataAvail ND ND ND 1284-Active 2-14 Samsung Electro-Mechanics
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