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SPD6722QCCE 参数 Datasheet PDF下载

SPD6722QCCE图片预览
型号: SPD6722QCCE
PDF下载: 下载PDF文件 查看货源
内容描述: ISA到PC卡( PCMCIA )控制器 [ISA-to-PC-Card (PCMCIA) Controllers]
分类和应用: 总线控制器微控制器和处理器PC
文件页数/大小: 138 页 / 837 K
品牌: INTEL [ INTEL ]
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PD6710/22 ISA-to-PC-Card (PCMCIA) Controllers  
Bit Naming Conventions  
The following keywords are used within bit and field names:  
Keyword  
Description  
Indicates that the function described in the  
rest of the bit name is active when the bit is 1.  
Enable  
Disable  
Mode  
Indicates that the function described in the  
rest of the bit name is active when the bit is 0.  
Indicates that the function of the bit alters the  
interpretation of the values in other registers.  
Input  
Indicates a bit or field that is read from a pin.  
Indicates a bit or field that is driven to a pin.  
Output  
Indicates that the bit or field selects between  
multiple alternatives. Fields that contain  
Select in their names have an indirect  
mapping between the value of the field and  
the effect.  
Select  
Indicates one of two types of bits: either read-  
only bits used by the PD67XX to report  
information to the system, or bits set by the  
PD67XX in response to an event, and can  
also be cleared by the system. The system  
cannot directly cause a Status bit to become  
1.  
Status  
Value  
Indicates that the bit or field value is used as a  
number.  
Read/Write Convention  
Bit Access  
Description  
Bit is read/write and resets to value n when  
PWRGOOD is cycled.  
RW:n  
Bit is read-only and setting is determined by  
conditions noted. Set this bit to 0, or echo  
back value read.  
R
Bit is read-only and resets to value n when  
PWRGOOD is cycled. Set this bit to 0, or  
echo back value read.  
R:n  
Bit is read/write and resets to value n when  
PWRGOOD is cycled. Set this bit to value m  
only.  
R:n W:m  
40  
Datasheet  
 
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