W83787IF Datasheet, PDF (14/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
Multi-Mode Parallel Port, continued
SYMBOL PIN I/O
PD4
13 I/O
I
I/O
I
I
PD5
14 I/O
-
I/O
-
I
FUNCTION
PRINTER MODE: PD4
Parallel port data bus bit 4. Refer to the description of the parallel port
for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: DSKCHG2
Drive select B for Extension FDD B; the function of this pin is the
same as that of DSKCHG pin. This pin is pulled high internally.
EXTENSION ADAPTER MODE: XD4
This pin is system data bus D4 for the Extension Adapter.
EXTENSION 2FDD MODE: DSKCHG2
This pin is for Extension FDD A and B; this function of this pin is the
same as that of the DSKCHG pin. This pin is pulled high internally.
JOYSTICK MODE: JB0
This pin is the button 0 input for the joystick.
PRINTER MODE: PD5
Parallel port data bus bit 5. Refer to the description of the parallel port
for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE:
This pin is a tri-state output.
EXTENSION ADAPTER MODE: XD5
This pin is system data bus D5 for the Extension Adapter
EXTENSION 2FDD MODE:
This pin is a tri-state output.
JOYSTICK MODE: JB1
This pin is the button 1 input for the joystick.
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Publication Release Date:Sep 1995
Revision A1