W83L517D_05 Datasheet, PDF (16/133 Pages) Winbond – LPC I/O for Notebook

W83L517D/W83L517D-F
Multi-Mode Parallel Port, continued
SYMBOL
PIN
SLIN#
33
(STEP2#)
INIT#
34
(DIR2#)
ERR#
36
(HEAD2#)
I/O
OD₁₂
OD₁₂
OD₁₂
OD₁₂
OD₁₂
OD₁₂
IN_t
OD₁₂
OD₁₂
FUNCTION
PRINTER MODE: SLIN#
Output line for detection of printer selection. 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: STEP2#
This pin is for Extension FDD B; its function is the
same as the STEP# pin of FDC.
EXTENSION 2FDD MODE: STEP2#
This pin is for Extension FDD A and B; its function is
the same as the STEP# pin of FDC.
PRINTER MODE: INIT#
Output line for the printer initialization. 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: DIR2#
This pin is for Extension FDD B; its function is the
same as the DIR# pin of FDC.
EXTENSION 2FDD MODE: DIR2#
This pin is for Extension FDD A and B; its function is
the same as the DIR# pin of FDC.
PRINTER MODE: ERR#
An active low input on this pin indicates that the printer
has encountered an error condition. 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: HEAD2#
This pin is for Extension FDD B; its function is the
same as the HEAD# pin of FDC.
EXTENSION 2FDD MODE: HEAD2#
This pin is for Extension FDD A and B; its function is
the same as the HEAD# pin of FDC.
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