3.2 PARALLEL INTERFACE
NOTE: V1.0 does not support the nibble mode. The nibble mode will be supported in V1.1 or later.
(1) | Type: | Centronics |
(2) | Mode: | Conforms to IEEE1284 compatible mode and nibble mode |
(3)Data Input Method: Parallel 8 bits (Data 1 ~ 8)
(4) | Control Signals: | Compatible mode | Nibble mode |
|
| nStrobe | HostClk |
|
| nAck | PtrClk |
|
| Busy | PtrBusy |
|
| PError | AckDataReq |
|
| Select | Xflag |
|
| nAutoFd | HostBusy |
|
| nInit | nInit |
|
| nFault | nDataAvail |
|
| nSelectIn | IEEE1284 Active |
(5) | Data Input Code: | ASCII code |
|
|
| European character set 8 bit code | |
|
| Graphics 8 bit code |
|
(6)Data Output Code in the Nibble Mode: ASCII code (8 bits)
(7) Receive Buffer: | 10K bytes |
(8) Send Buffer in the Nibble Mode: 13 bytes
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