W83L517D_05 Datasheet, PDF (15/133 Pages) Winbond – LPC I/O for Notebook

W83L517D/W83L517D-F
Multi-Mode Parallel Port, continued
SYMBOL
PIN
PD4
29
(DSKCHG2#)
PD5
30
PD6
31
(MOA2#)
PD7
32
(DSA2#)
I/O
I/O_12t
IN_t
In_t
I/O_12t
-
-
I/OD_12t
-
OD₁₂
I/OD_12t
-
OD₁₂
FUNCTION
PRINTER MODE: PD4
Parallel port data bus bit 4. Refer to the description of
the parallel port for the definition of this pin in ECP and
EPP mode.
EXTENSION FDD MODE: DSKCHG2#
This pin is for Extension FDD B; the function of this pin
is the same as the DSKCHG# pin of FDC. It is pulled
high internally.
EXTENSION 2FDD MODE: DSKCHG2#
This pin is for Extension FDD A and B; this function of
this pin is the same as the DSKCHG# pin of FDC. It is
pulled high internally.
PRINTER MODE: PD5
Parallel port data bus bit 5. Refer to the description of
the parallel port for the definition of this pin in ECP and
EPP mode.
EXTENSION FDD MODE: This pin is a tri-state output.
EXTENSION 2FDD MODE: This pin is a tri-state
output.
PRINTER MODE: PD6
Parallel port data bus bit 6. Refer to the description of
the parallel port for the definition of this pin in ECP and
EPP mode.
EXTENSION FDD MODE: This pin is a tri-state output.
EXTENSION. 2FDD MODE: MOA2#
This pin is for Extension FDD A; its function is the
same as the MOA# pin of FDC.
PRINTER MODE: PD7
Parallel port data bus bit 7. Refer to the description of
the parallel port for the definition of this pin in ECP and
EPP mode.
EXTENSION FDD MODE: This pin is a tri-state output.
EXTENSION 2FDD MODE: DSA2#
This pin is for Extension FDD A; its function is the
same as the DSA# pin of FDC.
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Publication Release Date: May 23, 2005
Revision 1.0