W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 16

• Manufacturer Part Number: W83877
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

1.4 Multi-Mode Parallel Port, continued
PD6
PD7
SYMBOL
PIN
16
17
I/O
I/O
OD
I/O
I/O
OD
I/O
-
-
-
-
24t
24t
24t
24t
24
24
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.
EXTENSION ADAPTER MODE: XD6
This pin is system data bus D6 for the Extension Adapter
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
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.
EXTENSION ADAPTER MODE: XD7
This pin is system data bus D7 for the Extension Adapter.
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
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FUNCTION
W83877F