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參數(shù)資料
| 型號(hào)： | W83977CTF-AW |
| 英文描述： | PERIPHERAL (MULTIFUNCTION) CONTROLLER |
| 中文描述： | 周邊（多功能）控制器 |
| 文件頁(yè)數(shù)： | 24/161頁(yè) |
| 文件大?。?/td> | 592K |
| 代理商： | W83977CTF-AW |
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W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-15 -
Revision A1
1.5 Multi-Mode Parallel Port, continued
SYMBOL
PIN
28
I/O
I/O
12t
FUNCTION
PD3
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
12t
IN
t
IN
t
PD5
26
I/O
12t
-
-
PD6
24
I/O
12t
-
OD
12
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W83977CTF-PW | PERIPHERAL (MULTIFUNCTION) CONTROLLER |
| W83977TF(EOL) | W83877TF plus KBC. CIR. RTC |
| W83C42 | KEYBOARD CONTROLLER |
| W83C42P | KEYBOARD CONTROLLER |
| W83C45 | Keyboard Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83977CTF-PW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND I/O |
| W83977EF | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
| W83977EF-AW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
| W83977EF-PW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND I/O |
| W83977EG | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
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