SRP-275
2-2-2 Parallel Interface (IEEE1284)
Drawer | ||
Interface connector | ||
Connector | ||
|
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 | - | GND | FG | FG |
|
|
|
|
|
18 | Printer | |||
|
|
|
|
|
19~30 | - | GND | GND | GND |
|
|
|
|
|
31 | Host | nInit | nInit | nInit |
|
|
|
|
|
32 | Printer | nFault | nDataAbail / | nDataAvail |
|
|
|
|
|
33 | - | NC | ND | ND |
|
|
|
|
|
34 | Printer | NC | ND | ND |
|
|
|
|
|
35 | Printer | NC | ND | ND |
|
|
|
|
|
36 | Host | nSelectln | ||
|
|
|
|
|
Rev. 1.01 | - 12 - |