W83787IF Datasheet, PDF (15/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
Multi-Mode Parallel Port, continued
SYMBOL PIN I/O
FUNCTION
PD6
16 I/O PRINTER MODE: PD6
Parallel port data bus bit 6. 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.
I/O ^{EXTENSION ADAPTER MODE: XD6}
This pin is system data bus D6 for the Extension Adapter
OD ^{EXTENSION. 2FDD MODE: MOA2}
This pin is for Extension FDD A; its function is the same as that of the
MOA pin.
- ^{JOYSTICK MODE: NC pin}
PD7
17 I/O PRINTER MODE: PD7
Parallel port data bus bit 7. 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.
I/O EXTENSION ADAPTER MODE: XD7
This pin is system data bus D7 for the Extension Adapter.
OD EXTENSION 2FDD MODE: DSA2
This pin is for Extension FDD A; its function is the same as that of the
DSA pin.
- JOYSTICK MODE: NC pin
1.5 IDE and FDC Interface
SYMBOL PIN I/O
FUNCTION
IOCS16
93
I 16-bit I/O indication from IDE interface
IDED7
96 I/O IDE data bus bit 7
GIO1
I/O GIO1:General Purpose I/O pin 1.If pin #91 GIOSEL=1,this pin act as
GIO1.If GIOSEL=0,this pin act as IDED7.It can also be programmed
by CR0C register bit 2.
RESIDE
IRRX3
1
O Reset signal for IDE, active low to initialize the IDE
I _{RESIDE can be programmed by CR0D register as input pin IRRX3}
for serial infrared communication.
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Publication Release Date:Sep 1995
Revision A1