參數(shù)資料
型號: 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 /鏈接開放主機控制器接口
文件頁數(shù): 64/152頁
文件大小: 1625K
代理商: FW323
64
Agere Systems Inc.
FW323 05
1394A PCI PHY/Link Open Host Controller Interface
Data Sheet, Rev. 2
October 2001
Internal Registers
(continued)
GUID High Register
The GUID high register represents the upper quadlet in a 64-bit global unique ID (GUID), which maps to the third
quadlet in the Bus_Info_Block 1394 addressable at FFFF_F000_0410. This register contains node_vendor_ID
and chip_ID_hi fields. This register initializes to 0s on a hardware reset, which is an illegal GUID value. If a serial
ROM is detected, then the contents of this register are loaded through the serial ROM interface after a PCI reset.
At that point, the contents of this register cannot be changed. If no serial ROM is detected, then the contents of
this register can be loaded with a PCI configuration write to offset 0x80. At that point, the contents of this register
cannot be changed.
Table 52. GUID High Register
Bit
Field
Name
Type
Default
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
node_vendor_ID
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
chip_ID_hi
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