W83787IF Datasheet, PDF (9/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
Multi-Mode Parallel Port, continued
SYMBOL PIN I/O
SLCT
28
I
OD
ERR
O
OD
_
29
I
OD
O
OD
_
FUNCTION
PRINTER MODE: SLCT
An active high input on this pin indicates that the printer is selected.
This pin is pulled high internally. Refer to the description of the parallel
port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WE2
This pin is for Extension FDD B; its functions are the same as those of
the WE pin.
EXTENSION ADAPTER MODE: XA1
This pin is system address A1 for the Extension Adapter.
EXTENSION 2FDD MODE: WE2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the WE pin.
JOYSTICK MODE: NC pin.
PRINTER MODE: ERR
An active low input on this pin indicates that the printer has
encountered an error condition. This pin is pulled high internally. Refer
to the description of the parallel port for the definition of this pin in
ECP and EPP mode.
EXTENSION FDD MODE: HEAD2
This pin is for Extension FDD B; its function is the same as that of the
HEAD pin.
EXTENSION ADAPTER MODE: XA2
This pin is system address A2 for the Extension Adapter.
EXTENSION 2FDD MODE: HEAD2
This pin is for Extension FDD A and B; its function is the same as that
of the HEAD pin.
JOYSTICK MODE: NC pin.
Publication Release Date:Sep 1995
-9-
Revision A1