w83l517g Winbond Electronics Corp America, w83l517g Datasheet - Page 12

• Manufacturer Part Number: w83l517g
• Description: Winbond Lpc I/o For Notebook W83l517d/ W83l517d-f
• Manufacturer: Winbond Electronics Corp America

4.3
The following pins have alternate functions, which are controlled by CR28 and L3-CRF0.
PRT_NFDD#
SYMBOL
(WE2#)
(WD2#)
Multi-Mode Parallel Port
SLCT
PE
PIN
20
21
22
OD 12
IN
OD
OD
OD
I/O
IN
IN
tsp3
12
12
12
t
t
EXTENSION 2FDD MODE: WE2#
This pin is for Extension FDD A and B; its function is
the same as the WE# pin of FDC.
EXTENSION FDD MODE: WD2#
This pin is for Extension FDD B; its function is the
same as the WD# pin of FDC.
PRT_NFDD# is the printer Not Floppy signal. It
indicated the connected device as Printer or Floppy
Disk on printer port. If the default function(Printer
mode) is used, it must connect to low level.
PRINTER MODE:
An active high input on this pin indicates that the
printer is selected. This pin is pulled high internally.
Refer to the
definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WE2#
This pin is for Extension FDD B; its function is the
same as the WE# pin of FDC.
PRINTER MODE:
An active high input on this pin indicates that the
printer has detected the end of the paper. 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 2FDD MODE: WD2#
This pin is for Extension FDD A and B; its function is
the same as the WD# pin of FDC.
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W83L517D/W83L517D-F
description of the parallel port for
FUNCTION