W83L517D Datasheet, PDF (15/138 Pages) Winbond – LPC SUPER I/O

W83L517D
1.3 Multi-Mode Parallel Port (Conts’)
Version 0.6
SYMBOL
ACK#
(DSB#)
PIN I/O
FUNCTION
24
IN_t
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#
OD₁₂ ^{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
OD12 _{as the DSB# pin of FDC.}
PD0
25
(INDEX2#)
PD1
26
(TRAK02#)
PD2
27
(WP2#)
I/O_12t
IN_t
IN_t
I/O_12t
IN_t
IN_t
I/O_12t
IN_t
IN_t
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.
PRINTER MODE: PD1
Parallel port data bus bit 1. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: TRAK02#
This pin is for Extension FDD B; its function is the same as the
TRAK0# pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE: TRAK02#
This pin is for Extension FDD A and B; its function is the same
as the TRAK0# pin of FDC. It is pulled high internally.
PRINTER MODE: PD2
Parallel port data bus bit 2. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WP2#
This pin is for Extension FDD B; its function is the same as the
WP# pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE: WP2#
This pin is for Extension FDD A and B; its function is the same
as the WP# pin of FDC. It is pulled high internally.
8
Publication Release Date: Apr. 2000
Revision 0.60