W83L517D_05 Datasheet, PDF (13/133 Pages) Winbond – LPC I/O for Notebook

W83L517D/W83L517D-F
Multi-Mode Parallel Port, continued
SYMBOL
PIN
BUSY
23
(MOB2#)
ACK#
24
(DSB#)
PD0
25
(INDEX2#)
I/O
IN_t
OD₁₂
OD12
IN_t
OD₁₂
OD12
I/O_12t
IN_t
IN_t
FUNCTION
PRINTER MODE:
An active high input indicates that the printer is not
ready to receive data. This pin is pulled high internally.
Refer to the description of the parallel port for definition
of this pin in ECP and EPP mode.
EXTENSION FDD MODE: MOB2#
This pin is for Extension FDD B; its function is the
same as the MOB# pin of FDC.
EXTENSION 2FDD MODE: MOB2#
This pin is for Extension FDD A and B; its function is
the same as the MOB# pin of FDC.
PRINTER MODE: ACK#
An active low input on this pin indicates that the printer
has received data and is ready to accept more data.
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: DSB2#
This pin is for the Extension FDD B; its functions is the
same as the DSB# pin of FDC.
EXTENSION 2FDD MODE: DSB2#
This pin is for Extension FDD A and B; its function is
the same as the DSB# pin of FDC.
PRINTER MODE: PD0
Parallel port data bus bit 0. Refer to the description of
the parallel port for the definition of this pin in ECP and
EPP mode.
EXTENSION FDD MODE: INDEX2#
This pin is for Extension FDD B; its function is the
same as the INDEX# pin of FDC. It is pulled high
internally.
EXTENSION 2FDD MODE: INDEX2#
This pin is for Extension FDD A and B; its function is
the same as the INDEX# pin of FDC. It is pulled high
internally.
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Publication Release Date: May 23, 2005
Revision 1.0