国产精品成人VA在线观看-国产乱妇乱子视频在播放-国产日韩精品一区二区三区在线-国模精品一区二区三区

參數(shù)資料
型號： W83877AF
廠商： WINBOND ELECTRONICS CORP
元件分類： 外設(shè)及接口
英文描述： Multi-Function I/O Port Controller(多功能輸入／輸出口控制器)
中文描述： MULTIFUNCTION PERIPHERAL, PQFP100
封裝： QFP-100
文件頁數(shù)： 111/171頁
文件大?。?/td> 1634K
代理商： W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 109 -
8.2.5 Configuration Register 4 (CR4), default = 00H
When the device is in Extended Function mode and EFIR is 04H, the CR4 register can be accessed
through EFDR. The bit definitions are as follows:
7 6 5 4 3 2 1 0
URBTRI
URATRI
GMTRI
PRTTRI
URBPWD
URAPWD
GMPWD
PRTPWD
PRTPWD (Bit 7):
0
1
Supplies power to the parallel port (default)
Puts the parallel port in power-down mode
GMPWD (Bit 6):
0
1
Supplies power to the game port (default)
Puts the game port in power-down mode
URAPWD (Bit 5):
0
1
Supplies power to COMA (default)
Puts COMA in power-down mode
URBPWD (Bit 4):
0
1
Supplies power to COMB (default)
Puts COMB in power-down mode
PRTTRI (Bit 3):
This bit enables or disables the tri-state outputs of parallel port in power-down mode.
0
The output pins of the parallel port will not be tri-stated when parallel port is in power-
down mode. (default)
1
The output pins of the parallel port will be tri-stated when parallel port is in power-
down mode.
GMTRI (Bit 2):
This bit enables or disables the tri-state outputs of the game port in power-down mode.
0
The output pins of the game port will not be tri-stated when game port is in power-
down mode. (default)
1
The output pins of the game port will be tri-stated when game port is in power-down
mode.
URATRI (Bit 1):
相關(guān)PDF資料
PDF描述
W83877ATD enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF enhanced version from Winbonds most popular I/O chip W83877F
W83877 WINBOND I/O
W83877F WINBOND I/O
W83877TD I/O chip disk drive adapter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W83877ATD 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877F 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TD 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*