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APPENDIX 2 INTERFACE
ENGLISH VERSION EO1-33047
APPENDIX 2 INTERFACE
EA2- 1
APPENDIX 2 INTERFACE
Parallel interface (Centronics)
Mode: Conforming to IEEE1284
Compatible mode (SPP mode), Nibble mode
Data input method: 8 bit parallel
Control signal:
Data input code: ASCII code
European 8 bit code
Graphic 8 bit code
JIS8 code
Shift JIS Kanji code
JIS Kanji code
Receive buffer: 1M byte
SPP Mode Nibble Mode
nStrobe HostClk
nAck PtrClk
Busy PtrBusy
Perror AckDataReq
Select Xflag
nAutoFd HostBusy
nInit nInit
nFault nDataAvail
nSelectIn IEEE1284Active
N
OTE:
To prevent radiation and reception of electrical noise, the interface cables must meet the following requirements:
• In case of a parallel interface cable or serial interface cable, fully shielded and fitted with metal or metallise
d
connector housings.
• Keep as short as possible.
• Should not be bundled tightly with power cords.
• Should not be tied to power line conduits.
• A parallel interface cable to be used should conform to IEEE1284.