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參數資料
型號: W83977TF
廠商: WINBOND ELECTRONICS CORP
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: 多功能I / O端口控制器(用于個人計算機的多功能輸入/輸出口控制器)
文件頁數: 17/160頁
文件大?。?/td> 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
Publication Release Date: April 1998
-9 -
Revision 0.62
1.3 Serial Port Interface, continued
SYMBOL
PIN
65
66
I/O
IN
t
FUNCTION
RIA
RIB
Ring Indicator. An active low signal indicates that a ring signal is
being received from the modem or data set.
1.4 Infrared Interface
SYMBOL
IRRX
IRTX
PIN
37
38
I/O
IN
cs
OUT
12t
FUNCTION
Infrared Receiver input.
Infrared Transmitter Output.
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.
EXTENSION 2FDD MODE: WE2
This pin is for Extension FDD A and B; it function is the same as
the WE pin of FDC.
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
PE
19
IN
t
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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相關代理商/技術參數
參數描述
W83977TF(EOL) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W83877TF plus KBC. CIR. RTC
W83977TF_98 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-A 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter
W83977TF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-P 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter