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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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5.17 Arbiter Timeout Status Register  
The arbiter timeout status register contains the status of each request (request 5–0) timeout. The timeout status bit  
for the respective request is set if the device did not assert FRAME after 16 clocks. See Table 5–15 for a complete  
description of the register contents.  
Bit  
7
6
5
4
3
2
1
0
Name  
Type  
Default  
Arbiter timeout status  
R
0
R
0
R
0
R
0
R/C/U  
0
R/C/U  
0
R/C/U  
0
R/C/U  
0
Register:  
Type:  
Offset:  
Default:  
Arbiter timeout status  
Read-only  
63h  
00h  
Table 5–15. Arbiter Timeout Status Register  
BIT  
TYPE  
FUNCTION  
7–4  
R
Reserved. Bits 7–4 return 0s when read.  
Request 3 timeout status. Cleared by writing a 1.  
3
2
1
0
R/C/U  
0 = No timeout (default)  
1 = Timeout has occurred  
Request 2 timeout status. Cleared by writing a 1.  
0 = No timeout (default)  
R/C/U  
R/C/U  
R/C/U  
1 = Timeout has occurred  
Request 1 timeout status. Cleared by writing a 1.  
0 = No timeout (default)  
1 = Timeout has occurred  
Request 0 timeout status. Cleared by writing a 1.  
0 = No timeout (default)  
1 = Timeout has occurred  
5–15  
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