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參數資料
型號: W83787F
廠商: WINBOND ELECTRONICS CORP
英文描述: WINBOND I/O WITH SERIAL-INFRARED SUPPORT
中文描述: 華邦的I /串行O型紅外線支持
文件頁數: 70/123頁
文件大小: 1751K
代理商: W83787F
W83787IF
Publication ReleaseDate:Sep 1995
- 70 -
Revision A1
FDCPWD (Bit 3):
This bit controls the power to the FDC.
0
Power is supplied to the FDC.
1
Puts the FDC in power-down mode.
IDEPWD (Bit 2):
This bit controls the power of the IDE.
0
Power is supplied to the IDE.
1
Puts the IDE in power-down mode.
FDCTRI (Bit 1):
This bit enables or disables the tri-state outputs of the FDC in power-down mode.
0
The output pins of the FDC will not be tri-stated when FDC is in power-down mode.
1
The output pins of the FDC will be tri-stated when FDC is in power-down mode.
IDETRI (BIt 0):
This bit enables or disables the tri-state outputs of the IDE in power-down mode.
0
The output pins of the IDE will not be tri-stated when IDE is in power-down mode.
1
The output pins of the IDE will be tri-stated when IDE is in power-down mode.
7.2.8 Configuration Register 7 (CR7) EFER = 89H, EFIR = 07H
When 89H is loaded into EFER and 07H is loaded into EFIR, the CR7 register can be accessed
through EFDR. The bit definitions are as follows:
7 6 5 4 3 2 1 0
FDD A type 0
FDD A type 1
FDD B type 0
FDD B type 1
FDD C type 0
FDD C type 1
FDD D type 0
FDD D type 1
Notes:
FDD A type 1, 0 (Bit 1, 0):
These two bits select the type of FDD A.
00
Selects normal mode. When RWC = 0, the data transfer rate is 250 kb/s. When
RWC= 1, the data transfer rate is 500 kb/s.
Three mode FDD select (EN3MODE = 1):
01
RWC = 0, selects 1.2 MB high-density FDD.
10
RWC = 1, selects 1.44 MB high-density FDD.
11
Don't care RWC
,
selects 720 KB double-density FDD.
FDD B type 1,0 (Bit 3,2):
These two bits select the type of FDD B.
00
Selects normal mode. When
RWC = 0, the data transfer rate is 250 kb/s. When
RWC = 1, the data transfer rate is 500 kb/s.
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相關代理商/技術參數
參數描述
W83787IF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O WITH SERIAL-INFRARED SUPPORT
W83791D 制造商:WINBOND 制造商全稱:Winbond 功能描述:Winbond H/W Monitoring IC
W83791G 功能描述:IC MONITOR H/W 48-LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:1 系列:- 功能:溫度監控系統(傳感器) 傳感器類型:內部和外部 感應溫度:-40°C ~ 125°C,外部傳感器 精確度:±2.5°C 本地(最大值),±5°C 遠程(最大值) 拓撲:ADC,比較器,寄存器庫 輸出類型:2 線 SMBus? 輸出警報:無 輸出風扇:無 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應商設備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6
W83791SD 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W MONITORING IC
W83791SG 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W MONITORING IC