w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 22

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

1.5 Multi-Mode Parallel Port, continued
SLIN#
INIT#
AFD#
SYMBOL
PIN
32
33
35
OD
OD
OD
OD
OD
OD
OD
OD
OD
I/O
12
12
12
12
12
12
12
12
12
PRINTER MODE: SLIN#
Output line for detection of printer selection. This pin is pulled
high internally. Refer to description of the parallel port for
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 description of the parallel port for 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: AFD#
An active low output from this pin causes the printer to auto feed
a line after a line is printed. This pin is pulled high internally.
Refer to description of the parallel port for definition of this pin in
ECP and EPP mode.
EXTENSION FDD MODE: DRVDEN0
This pin is for Extension FDD B; its function is the same as the
DRVDEN0 pin of FDC.
EXTENSION 2FDD MODE: DRVDEN0
This pin is for Extension FDD A and B; its function is the same as
the DRVDEN0 pin of FDC.
-13 -
FUNCTION
Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1