W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 11

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

1.4 Multi-Mode Parallel Port, continued
ERR
SLIN
SYMBOL
PIN
29
22
OUT
OUT
OUT
OD
OD
OD
OD
OD
I/O
IN
_
t
12
12
12
12
12
12t
12t
12t
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 HEADpin.
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.
PRINTER MODE: SLIN
Output line for detection of printer selection. 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: STEP2
This pin is for Extension FDD B; its function is the same as that
of the STEP pin.
EXTENSION ADAPTER MODE: XTC
This pin is the DMA terminal count for the Extension Adapter.
The count is sent by TC directly.
EXTENSION 2FDD MODE: STEP2
This pin is for Extension FDD A and B; its function is the same
as that of the STEP pin .
JOYSTICK MODE: V
- 11 -
DD
for joystick.
FUNCTION
Publication Release Date: January 1996
W83877F
Revision A2