參數(shù)資料
型號： W83977CTF-AW
英文描述： PERIPHERAL (MULTIFUNCTION) CONTROLLER
中文描述： 周邊（多功能）控制器
文件頁數(shù)： 20/161頁
文件大?。?/td> 592K
代理商： W83977CTF-AW
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-11 -
Revision A1
1.5 Multi-Mode Parallel Port
The following pins have alternate functions, which are controlled by CR28 and L3-CRF0.
SYMBOL
PIN
I/O
FUNCTION
SLCT
18
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: WE2#
This pin is for Extension FDD B; its function is the same as the
WE# pin of FDC.
OD
12
OD
12
EXTENSION 2FDD MODE: WE2#
This pin is for Extension FDD A and B; its function is the same
as the WE# pin of FDC.
PE
19
IN
t
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: WD2#
This pin is for Extension FDD B; its function is the same as the
WD# pin of FDC.
OD
12
OD
12
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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W83977CTF-PW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
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W83977EF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND ISA I/O
W83977EF-PW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977EG 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND ISA I/O
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