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FDC37B78X_07 参数 Datasheet PDF下载

FDC37B78X_07图片预览
型号: FDC37B78X_07
PDF下载: 下载PDF文件 查看货源
内容描述: 超级I / O控制器,支持ACPI ,实时时钟和消费性红外端口 [Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR]
分类和应用: 控制器时钟
文件页数/大小: 249 页 / 865 K
品牌: SMSC [ SMSC CORPORATION ]
 浏览型号FDC37B78X_07的Datasheet PDF文件第26页浏览型号FDC37B78X_07的Datasheet PDF文件第27页浏览型号FDC37B78X_07的Datasheet PDF文件第28页浏览型号FDC37B78X_07的Datasheet PDF文件第29页浏览型号FDC37B78X_07的Datasheet PDF文件第31页浏览型号FDC37B78X_07的Datasheet PDF文件第32页浏览型号FDC37B78X_07的Datasheet PDF文件第33页浏览型号FDC37B78X_07的Datasheet PDF文件第34页  
DIGITAL INPUT REGISTER (DIR)  
Address 3F7 READ ONLY  
This register is read-only in all modes.  
PC-AT Mode  
7
6
5
4
3
2
1
0
DSK  
CHG  
RESET  
COND.  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
BIT 0 - 6 UNDEFINED  
BIT 7 DSKCHG  
The data bus outputs D0 - 6 will remain in a high  
impedance state during a read of this register.  
This bit monitors the pin of the same name and  
reflects the opposite value seen on the disk cable  
or the value programmed in the Force Disk  
Change Register (see Configuration Register  
LD8:CRC1[1:0]).  
30  
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