參數(shù)資料
型號: ICSXXXXY
英文描述: Auto-Negotiation Advertisement Register (register 4 [0x04])
中文描述: 自動(dòng)談判廣告登記(注冊4 [0x04])
文件頁數(shù): 23/66頁
文件大?。?/td> 1725K
代理商: ICSXXXXY
23
ICS1890
PHY Identifier Register (register 2
[0x02]
)
PHY Identifier Register (register 2)
Register 2 and Register 3 contain the 24-bit Organizationally
Unique Identifier (OUI), Manufacturers Model Number and
Revision Number. Integrated Circuit Systems OUI is used as
the default for registers 2 and 3.
These two registers can always be read and may be written by
setting the Command Override bit in the Configuration register
(16:15) and then performing a write operation. At power-up
and reset they are set to Integrated Circuit Systems OUI. By
allowing these registers to be written, a systems vendor may
substitute their own OUI.
Organizationally Unique Identifier bits 3-18 (bits
15-0)
This field contains the lowest 16 bits of the IEEE OUI excluding
OUI maps to bit 15 of the register.
OUI Formatting Information
The ICS OUI is shown
below with information on mapping the OUI value into registers
2 and 3.
Octet Format:
00
|
|
first octet
A0
|
second octet
BE
third octet
Binary Format:
0
0000
|
lsb
(I/G)
0
0000
|
msb
0
0000
|
lsb
A
0101
|
msb
E
0111
|
lsb
B
1101
|
msb
IEEE Standard 802 Lettered Format
0000
0000
0000
abcd
efgh
ijkl
0101
mnop
0111
qrst
1101
uvwx
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Definition
When bit=0
When bit=1
Access
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
Default
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
Hex
OUI bit 3 | c
OUI bit 4 | d
OUI bit 5 | e
OUI bit 6 | f
OUI bit 7 | g
OUI bit 8 | h
OUI bit 9 | I
OUI bit 10 | j
OUI bit 11 | k
OUI bit 12 | l
OUI bit 13 | m
OUI bit 14 | n
OUI bit 15 | o
OUI bit 16 | p
OUI bit 17 | q
OUI bit 18 | r
0
0
1
5
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