參數(shù)資料
型號: FW32305
英文描述: 1394A PCI PHY/Link Open Host Controller Interface
中文描述: 1394A端口物理層的PCI /鏈接開放主機控制器接口
文件頁數(shù): 81/152頁
文件大?。?/td> 1625K
代理商: FW32305
Agere Systems Inc.
81
Data Sheet, Rev. 2
October 2001
FW323 05
1394A PCI PHY/Link Open Host Controller Interface
Internal Registers
(continued)
Table 69. Self-ID Count Register Description
Bit
31
Field Name
selfIDError
Type
RU
Description
When this bit is 1, an error was detected during the most recent
self-ID packet reception. The contents of the self-ID buffer are
undefined. This bit is cleared after a self-ID reception in which no
errors are detected. Note that an error can be a hardware error or
a host bus write error.
Reserved.
Bits 30:24 return 0s when read.
The value in this field increments each time a bus reset is
detected. This field rolls over to 0 after reaching 255.
Reserved.
Bits 15:11 return 0s when read.
This field indicates the number of quadlets that have been written
into the self-ID buffer for the current bits 23:16 (selfIDGeneration
field). This includes the header quadlet and the self-ID data. This
field is cleared to 0 when the self-ID reception begins.
Reserved.
Bits 1:0 return 0s when read.
30:24
23:16
Reserved
selfIDGeneration
R
RU
15:11
10:2
Reserved
selfIDSize
R
RU
1:0
Reserved
R
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