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參數(shù)資料
型號： W83977TF
廠商： WINBOND ELECTRONICS CORP
英文描述： Multi-Function I/O Port Controller(用于個(gè)人計(jì)算機(jī)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(gè)人計(jì)算機(jī)的多功能輸入/輸出口控制器）
文件頁數(shù)： 21/160頁
文件大?。?/td> 1012K
代理商： W83977TF
W83977TF
PRELIMINARY
Publication Release Date: April 1998
-13 -
Revision 0.62
1.5 Multi-Mode Parallel Port, continued
SYMBOL
PD3
PIN
28
I/O
I/O
24t
FUNCTION
IN
t
IN
t
PRINTER MODE: PD3
Parallel port data bus bit 3. Refer to description of the parallel port
for definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: RDATA2
This pin is for Extension FDD B; the function of this pin is the same
as the RDATA pin of FDC. It is pulled high internally.
EXTENSION 2FDD MODE: RDATA2
This pin is for Extension FDD A and B; this function of this pin is the
same as the RDATA pin of FDC. It is pulled high internally.
PRINTER MODE: PD4
Parallel port data bus bit 4. Refer to description of the parallel port
for definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: DSKCHG2
This pin is for Extension FDD B; the function of this pin is the same
as the DSKCHG pin of FDC. It is pulled high internally.
EXTENSION 2FDD MODE: DSKCHG2
This pin is for Extension FDD A and B; this function of this pin is the
same as the
DSKCHG
pin of FDC. It is pulled high internally.
PRINTER MODE: PD5
Parallel port data bus bit 5. 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.
EXTENSION 2FDD MODE: This pin is a tri-state output.
PRINTER MODE: PD6
PD4
27
I/O
24t
IN
t
IN
t
PD5
26
I/O
24t
-
-
PD6
24
I/O
24t
-
OD
24
Parallel port data bus bit 6. 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.
EXTENSION. 2FDD MODE: MOA2
This pin is for Extension FDD A; its function is the same as the
MOA pin of FDC.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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
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