W83697HF
1.3 Multi-Mode Parallel Port, continued
SYMBOL
STB#
PIN
I/O
OD
FUNCTION
46
PRINTER MODE: STB#
12
An active low output is used to latch the parallel data into the
printer. 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: This pin is a tri-state output.
EXTENSION 2FDD MODE: This pin is a tri-state output.
PD0
PD1
PD2
42
41
40
I/O
PRINTER MODE: PD0
12t
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#
IN
t
IN
t
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.
I/O
PRINTER MODE: PD1
12t
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#
IN
t
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#
IN
t
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.
I/O
PRINTER MODE: PD2
12t
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#
IN
t
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#
IN
t
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.
Publication Release Date:Feb. 2002
- 11 -
Revision 0.70
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