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FDC37CXFR 参数 Datasheet PDF下载

FDC37CXFR图片预览
型号: FDC37CXFR
PDF下载: 下载PDF文件 查看货源
内容描述: 即插即用兼容超I / O控制器,提供快速IR [Plug and Play Compatible Ultra I/O Controller with Fast IR]
分类和应用: 控制器
文件页数/大小: 258 页 / 898 K
品牌: SMSC [ SMSC CORPORATION ]
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Read Status Register, 0xF6  
GATEA20  
BIT 0  
GATEA20 is an internal signal from the  
When set, indicates that data in the Read  
EEPROM data register is valid. This bit is  
cleared when EEPROM Data is read until the  
next byte is valid. Reading the Read EEPROM  
data register when bit 0 is clear will have no  
detrimental effects; the data will simply be  
invalid.  
keyboard  
controller  
(Port  
21).  
The  
FDC37C93xFR may be configured to drive this  
signal onto GP25 by programming its GPI/O  
Configuration Register. See the 8042 Keyboard  
Controller section for more information.  
133  
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