參數(shù)資料
型號(hào): FW323
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(jī)控制器接口
文件頁數(shù): 102/152頁
文件大?。?/td> 1625K
代理商: FW323
102
Agere Systems Inc.
FW323 05
1394A PCI PHY/Link Open Host Controller Interface
Data Sheet, Rev. 2
October 2001
Internal Registers
(continued)
Table 89. Node Identification Register Description
Bit
31
Field Name
iDValid
Type
RU
Description
This bit indicates whether or not the FW323 has a valid node number. It is cleared
when a 1394 bus reset is detected and set when the FW323 receives a new node
number from the PHY core.
This bit is set during the bus reset process if the attached PHY core is root.
Reserved.
Bits 29:28 return 0s when read.
Set if the PHY core is reporting that cable power status is OK.
Reserved.
Bits 26:16 return 0s when read.
RWU This number is used to identify the specific 1394 bus to which the FW323 belongs
when multiple 1394-compatible buses are connected via a bridge.
RU
This number is the physical node number established by the PHY core during
self-identification. It is automatically set to the value received from the PHY core
after the self-identification phase. If the PHY core sets the nodeNumber to 63,
then software should not set ContextControl.run for either of the AT DMA
contexts.
30
root
RU
R
RU
R
29:28
27
26:16
15:6
Reserved
CPS
Reserved
busNumber
5:0
NodeNumber
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