Toshiba B-SX4T owner manual APPENDIX 2 INTERFACE, Parallel interface Centronics Standard

APPENDIX 2 INTERFACE

ENGLISH VERSION EO1-33058

APPENDIX 2 INTERFACE

APPENDIX 2 INTERFACE

NOTE:

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 metallised 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.

Parallel interface (Centronics) (Standard)

Mode:

Data input method: Control signal:

Conforming to IEEE1284

Compatible mode (SPP mode), Nibble mode, ECP mode 8 bit parallel

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

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

EA2- 1