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| 型號(hào)： | 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(yè)數(shù)： | 20/160頁(yè) |
| 文件大小： | 1012K |
| 代理商： | W83977TF |
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W83977TF
PRELIMINARY
Publication Release Date: April 1998
-12-
Revision 0.62
1.5 Multi-Mode Parallel Port, continued
SYMBOL
PIN
I/O
FUNCTION
STB
36
OD
12
PRINTER MODE: STB
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.
-
-
EXTENSION 2FDD MODE: This pin is a tri-state output.
PD0
31
I/O
24t
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.
IN
t
EXTENSION FDD MODE:
INDEX2
This pin is for Extension FDD B; the function of this pin is the same
as the INDEX pin of FDC. It is pulled high internally.
IN
t
EXTENSION 2FDD MODE: INDEX2
This pin is for Extension FDD A and B; the function of this pin is the
same as the INDEX pin of FDC. It is pulled high internally.
PD1
30
I/O
24t
IN
t
IN
t
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.
EXTENSION FDD MODE: TRAK02
This pin is for Extension FDD B; the function of this pin is the same
as the
TRAK0
pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE:
TRAK02
This pin is for Extension FDD A and B; the function of this pin is the
same as the
TRAK0
pin of FDC. It is pulled high internally.
PD2
29
I/O
24t
IN
t
IN
t
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:
WP2
This pin is for Extension FDD B; the function of this pin is the same
as the
WP
pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE: WP2
This pin is for Extension FDD A and B; the function of this pin is the
same as the WP pin of FDC. It is pulled high internally.
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參數(shù)描述 |
|---|---|
| W83977TF(EOL) | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:W83877TF plus KBC. CIR. RTC |
| W83977TF_98 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND I/O |
| W83977TF-A | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:I/O chip disk drive adapter |
| W83977TF-AW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND I/O |
| W83977TF-P | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:I/O chip disk drive adapter |
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