參數(shù)資料
型號(hào): L84225
英文描述: L84225 100BaseTX/FX/10BaseT Physical Layer Device technical manual 4/02
中文描述: L84225 100BaseTX/FX/10BaseT物理層設(shè)備的技術(shù)手冊,4月2日
文件頁數(shù): 10/118頁
文件大?。?/td> 890K
代理商: L84225
10 of 118
April, 2002
L84225 Quad 100BaseTX/FX/10BaseT Phys. Layer Device - Technical Manual
Copyright 1999-2002 by LSI Logic Corporation. All rights reserved.
Note 1:
The single ANEG pin applies to all four channels. The four
Speed and DPLX apply to each individual channel. The pins above are
shown for all four channels, but each channel can be individually
configured for SPEED and DPLX by appropriately setting the pin for that
channel.
Note 2:
Forced Modes assume that registers 0 and 4 are at default
values.
Note 3:
the L84225 can be controlled either through the software or
through the hardware. If the device needs to be controlled through the
software (Registers 0 to 4), then these seven pins (ANEG, Speed[3:0],
Duplx[3:0]) have to be tied to their default values of 1, 1111, and 0000,
respectively.
Table 1
AutoNegotiation, Speed & Duplex Mode Combinations
Input Pins
Mode Selected
Aneg
Speed
[3:0]
Duplx
[3:0]
Autoneg
Forced Modes [Note2]
Advertised Capabilities
Speed
DPLX
Speed
DPLX
0
0000
0000
Off
10
Half
na
na
0
0000
1111
Off
10
Full
na
na
0
1111
0000
Off
100
Half
na
na
0
1111
1111
Off
100
Full
na
na
1
0000
0000
On
na
na
10
Half
1
0000
1111
On
na
na
10
Half/Full
1
1111
0000
On
na
na
10/100
Half/Full [3]
1
1111
1111
On
na
na
10/100
Half
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