w83977ag Winbond Electronics Corp America, w83977ag Datasheet - Page 19
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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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w83977ag-A
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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4.5
The following pins have alternate functions, which are controlled by CR28 and L3-CRF0.
SLCT
PE
BUSY
SYMBOL
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Multi-Mode Parallel Port
PIN
18
19
21
OD 12
OD 12
OD 12
OD 12
OD 12
OD 12
I/O
IN t
IN t
IN t
PRINTER MODE: SLCT
An active high input on this pin indicates that the printer is selected. 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 for Extension FDD B; its function is the same as the
of FDC.
EXTENSION 2FDD MODE:
This pin is for Extension FDD A and B; its function is the same as the
PRINTER MODE: PE
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 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; its function is the same as the
of FDC.
EXTENSION 2FDD MODE:
This pin is for Extension FDD A and B; its function is the same as the
PRINTER MODE: BUSY
An active high input indicates that the printer is not ready to receive data.
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 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
WE
WD
MOB
pin of FDC.
pin of FDC.
pin of FDC.
-11 -
MOB
pin of FDC.
MOB2
WE2
WD2
MOB2
WE2
WD2
FUNCTION
Publication Release Date: May 2006
Revision 0.60
WE
WD
pin
pin
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