W83877ATF Datasheet, PDF (14/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
1.3 Multi-Mode Parallel Port, continued
SYMBOL PIN
I/O
PE
27
IN_t
OD₁₂
OD₁₂
SLCT
28
IN_t
ERR
OD₁₂
OD₁₂
29
IN_t
OD₁₂
OD₁₂
FUNCTION
PRINTER MODE: PE
An active high input on this pin indicates that the printer has
detected the end of the paper. 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: WD2
This pin is for Extension FDD B; its function is the same as that
of the WD pin.
EXTENSION 2FDD MODE: WD2
This pin is for Extension FDD A and B; the function of this pin is
the same as that of the WD pin.
JOYSTICK MODE: NC pin.
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 2FDD MODE: WE2
This pin is for Extension FDD A and B; the function of this pin is
the same as that of the WE 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 HEADpin.
EXTENSION 2FDD MODE: HEAD2
This pin is for Extension FDD A and B; its function is the same
as that of the HEAD pin.
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Publication Release Date: April 1998
Version 0.51