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PCI2250PCM 参数 Datasheet PDF下载

PCI2250PCM图片预览
型号: PCI2250PCM
PDF下载: 下载PDF文件 查看货源
内容描述: PCI总线接口/控制器\n [PCI Bus Interface/Controller ]
分类和应用: 控制器PC
文件页数/大小: 85 页 / 340 K
品牌: TI [ TEXAS INSTRUMENTS ]
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5.16 Arbiter Request Mask Register  
The arbiter request mask register contains the SERR enable on arbiter timeouts and the request mask controls. See  
Table 5–14 for a complete description of the register contents.  
Bit  
7
6
5
4
3
2
1
0
Name  
Type  
Default  
Arbiter request mask  
R
0
R/W  
0
R
0
R
0
R/W  
0
R/W  
0
R/W  
0
R/W  
0
Register:  
Type:  
Arbiter request mask  
Read-only, Read/Write  
Offset:  
Default:  
62h  
00h  
Table 5–14. Arbiter Request Mask Register  
BIT  
TYPE  
FUNCTION  
7
R
Reserved. Bit 7 returns 0 when read.  
Timeout automatic masking enable  
6
5–4  
3
R/W  
R
0 = Masking not automatic (default)  
1 = Allow masking after 16-clock timeout  
Reserved. Bits 5 and 4 return 0s when read.  
Request 3 (REQ3) mask bit  
0 = Use request 3 (default)  
1 = Ignore request 3  
R/W  
Request 2 (REQ2) mask bit  
0 = Use request 2 (default)  
1 = Ignore request 2  
2
1
0
R/W  
R/W  
R/W  
Request 1 (REQ1) mask bit  
0 = Use request 1 (default)  
1 = Ignore request 1  
Request 0 (REQ0) mask bit  
0 = Use request 0 (default)  
1 = Ignore request 0  
5–14  
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