w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 15

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

1.3 Multi-Mode Parallel Port, continued
INIT
SLIN
AFD
SYMBOL
PIN
22
21
20
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 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 that
of the STEP pin.
EXTENSION 2FDD MODE: STEP2
This pin is for Extension FDD A and B; its function is the same
as that of the STEP pin .
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 that
of the DIR pin.
EXTENSION 2FDD MODE: DIR2
This pin is for Extension FDD A and B; its function is the same
as that of the DIR pin.
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 the description of the parallel port for the definition of
this pin in ECP and EPP mode.
EXTENSION FDD MODE: RWC2
This pin is for Extension FDD B; its function is the same as that
of the RWC pin.
EXTENSION 2FDD MODE: RWC2
This pin is for Extension FDD A and B; its function is the same
as that of the RWC pin.
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FUNCTION
Publication Release Date: April 1998
W83877ATF
Version 0.51