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W83697HG Datasheet, PDF (13/109 Pages) Winbond – WINBOND LPC I/O
W83697HF/ HG
5.3 Multi-Mode Parallel Port
The following pins have alternate functions, which are controlled by CR28 and L3-CRF0.
SYMBOL PIN
I/O
FUNCTION
SLCT
WE2#
PE
WD2#
PRINTER MODE:
29
INts
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 definition of this pin in ECP and
EPP mode.
OD12
EXTENSION FDD MODE: WE2#
This pin is for Extension FDD B; its function is the same as the
WE# pin of FDC.
EXTENSION 2FDD MODE: WE2#
This pin is for Extension FDD A and B; its function is the same as
the WE# pin of FDC.
PRINTER MODE:
30
INts
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.
OD12
EXTENSION FDD MODE: WD2#
This pin is for Extension FDD B; its function is the same as the
WD# pin of FDC.
EXTENSION 2FDD MODE: WD2#
This pin is for Extension FDD A and B; its function is the same as
the WD# pin of FDC.
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