W83697HF
1.3 Multi-Mode Parallel Port, continued
SYMBOL
PD3
PIN
I/O
I/O
FUNCTION
39
PRINTER MODE: PD3
12t
Parallel port data bus bit 3. Refer to the description of the parallel
port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: RDATA2#
IN
t
This pin is for Extension FDD B; its function is the same as the
RDATA# pin of FDC. It is pulled high internally.
EXTENSION 2FDD MODE: RDATA2#
IN
t
This pin is for Extension FDD A and B; its function is the same as
the RDATA# pin of FDC. It is pulled high internally.
PD4
38
I/O
PRINTER MODE: PD4
12t
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#
IN
t
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.
IN
t
PD5
PD6
37
36
I/O
PRINTER MODE: PD5
12t
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
-
-
I/OD
12t
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#
OD
12
This pin is for Extension FDD A; its function is the same as the
MOA# pin of FDC.
PD7
35
I/OD
PRINTER MODE: PD7
12t
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#
-
OD
12
This pin is for Extension FDD A; its function is the same as the
DSA# pin of FDC.
Publication Release Date:Feb. 2002
- 12 -
Revision 0.70
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