w83977ag Winbond Electronics Corp America, w83977ag Datasheet - Page 21
w83977ag
Manufacturer Part Number
w83977ag
Description
W83977f With 3rd Uart For Ir, Pb-free
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977AG.pdf
(182 pages)
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Quantity
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Part Number:
w83977ag-A
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
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Multi-Mode Parallel Port, continued.
PD0
PD1
PD2
STB
AFD
SYMBOL
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
PIN
35
36
31
30
29
I/O 24t
I/O 24t
I/O 24t
OD 12
OD 12
OD 12
OD 12
I/O
IN t
IN t
IN t
IN t
IN t
IN t
-
-
PRINTER MODE:
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.
PRINTER MODE:
An active low output is used to latch the parallel data into the printer. 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: This pin is a tri-state output.
PRINTER MODE: PD0
Parallel port data bus bit 0. Refer to description of the parallel port for
definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE:
This pin is for Extension FDD B; the function of this pin is the same as the
EXTENSION 2FDD MODE:
This pin is for Extension FDD A and B; the function of this pin is the same
as the
PRINTER MODE: PD1
Parallel port data bus bit 1. Refer to description of the parallel port for
definition of this pin in ECP and EPP mode. .
This pin is for Extension FDD B; the function of this pin is the same as the
EXTENSION. 2FDD MODE:
This pin is for Extension FDD A and B; the function of this pin is the same
as the
PRINTER MODE: PD2
Parallel port data bus bit 2. Refer to description of the parallel port for
definition of this pin in ECP and EPP mode..
EXTENSION FDD MODE:
This pin is for Extension FDD B; the function of this pin is the same as the
EXTENSION. 2FDD MODE:
This pin is for Extension FDD A and B; the function of this pin is the same
as the
INDEX
TRAK0
WP
EXTENSION 2FDD MODE: This pin is a tri-state output.
EXTENSION FDD MODE:
pin of FDC. It is pulled high internally.
INDEX
TRAK0
WP
pin of FDC. It is pulled high internally.
pin of FDC. It is pulled high internally..
pin of FDC. It is pulled high internally.
-13 -
pin of FDC. It is pulled high internally.
pin of FDC. It is pulled high internally.
AFD
STB
INDEX2
WP2
TRAK02
INDEX2
TRAK02
WP2
FUNCTION
Publication Release Date: May 2006
Revision 0.60
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