參數(shù)資料
型號: LU3X32FT
廠商: Lineage Power
英文描述: Two-Port 3 V 10/100 Ethernet Transceiver TX/FX(雙端口 3 V 10M位和100M位以太網(wǎng)收發(fā)器)
中文描述: 雙端口3伏10/100以太網(wǎng)收發(fā)器德克薩斯州/外匯(3伏雙端口1000萬位和100米位以太網(wǎng)收發(fā)器)
文件頁數(shù): 26/54頁
文件大小: 626K
代理商: LU3X32FT
LU3X32FT Two-Port 3 V 10/100
Ethernet Transceiver TX/FX
Preliminary Data Sheet
July 2000
26
Lucent Technologies Inc.
Functional Description
(continued)
Autonegotiation & Speed Configuration
The three pins listed in Table 13 configure the speed capability of LU3X32FT. The logic state of these pins, at pow-
erup or reset, are latched into the advertisement register (register address 04h) for autonegotiation purpose. These
pins are also used for evaluating the default value in the base mode control register (register 00h) according to the
Table 13.
Table 13. Initial Value of Autonegotiation Registers
Configuration Pins at RESET
Registers Initial Value
AUTONEN
Pins 45, 122
100FDEN
Pins 42, 125
(Reg 4.8)
1
0
0
X
10FDEN
Pins 82, 85
(Reg 4.6)
X
1
0
X
AUTONEG
Reg 0.12
SPEED
Reg 0.13
DUPLEX
Reg 0.8
0
0
0
1
0
0
0
1
1
1
1
0
1
1
0
0
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