Samsung SRP-350U, Service Manual

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2 Product Specifications
2-14
2-5 Interface Specifications
2-5-3-(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 NautoFd 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 NInit Ninit nInit
32 Printer Nfault nDataAvail /Data0,4 nDataAvail
33 GND ND ND
34 Printer DK_Status ND ND
35 Printer +5V ND ND
36 Host NselectIn 1284-Active 1284-Active
Table 2-16 IEEE1284 Pin Descirption
Samsung Electro-Mechanics