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APPENDIX 2 INTERFACE ENGLISH VERSION EO1-33059
APPENDIX 2 INTERFACE
EA2- 1
APPENDIX 2 INTERFACE
Parallel interface (Centronics) (Standard)
Mode: Conforming to IEEE1284
Compatible mode (SPP mode), Nibble mode, ECP 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: 6M byte
SPP Mode Nibble Mode ECP Mode
nStrobe HostClk HostClk
nAck PtrClk PeriphClk
Busy PtrBusy PeriphAck
Perror AckDataReq NAckReverse
Select Xflag Xflag
nAutoFd HostBusy HostAck
nInit nInit nReverseRequest
nFault nDataAvail nPeriphRequest
nSelectIn IEEE1284Active IEEE1284Active
N
OTE:
To prevent radiation and reception of electrical noise, the interface cables must meet the following requirements:
•
I
n 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.