參數(shù)資料
型號： LQ80221
英文描述： LAN Transceiver
中文描述： 網(wǎng)絡(luò)收發(fā)器
文件頁數(shù)： 40/91頁
文件大小： 907K
代理商： LQ80221
80220/80221
MD400159/E
40
Table 16. MI Register 16 (Configuration 1) Structure And Bit Definition
16.15
LNK_DIS
R/W
16.14
XMT_DIS
R/W
16.13
XMT_PDN
R/W
16.12
16.11
BYP_ENC
R/W
16.10
BYP_SCR
R/W
16.9
0
R/W
16.8
EQLZR
R/W
TXEN_CRS
R/W
16.7
CABLE
R/W
16.6
RLVL0
R/W
16.5
TLVL3
R/W
16.4
TLVL2
R/W
16.3
TLVL1
R/W
16.2
TLVL0
R/W
16.1
TRF1
R/W
16.0
TRF0
R/W
Bit
16.15
Symbol
LNK_DIS
Name
Link Disable
Definition
1 = Receive Link Detect Function Disabled
(Force Link Pass)
0 = Normal
1 = TP Transmitter Disabled
0 = Normal
1 = TP Transmitter Powered Down
0 = Normal
1 = TX_EN to CRS Loopback Disabled
0 = Enabled
1 = Bypass 4B5B Encoder/Decoder
0 = No Bypass
R/W
R/W
Def.
0
16.14
XMT_DIS
TP Transmit
Disable
TP Transmit
Powerdown
TXEN to CRS
Loopback Disable
Bypass
Encoder/Decoder
Select
Bypass
Scrambler/Descr-
ambler Select
Unscrambled Idle
Reception Disable
R/W
0
16.13
XMT_PDN
R/W
0
16.12
TXEN_CRS
R/W
0
16.11
BYP_ENC
R/W
0
16.10
BYP_SCR
1 = Bypass Scrambler/Descrambler
0 = No Bypass
R/W
0
16.9
UNSCR_DIS
1 = Disable AutoNegotiation with devices that
transmit unscrambled idle on powerup and
various instances
0 = Enables AutoNegotiation with devices that
transmit unscramblled idle on powerup and
various instances
1 = Receive Equalizer Disabled, Set To 0 Length
0 = Receive Equalizer On (For 100Mb Mode Only)
1 = STP (150 Ohm)
0 = UTP (100 Ohm)
1 = Receive Squelch Levels Reduced By 4.5 dB
0 = Normal
See Table 3
R/W
0
16.8
EQLZR
Receive Equalizer
Select
Cable Type Select
R/W
0
16.7
CABLE
R/W
0
16.6
RLVL0
Receive Input
Level Adjust
Transmit Output
Level Adjust
R/W
0
16.5
16.4
16.3
16.2
16.1
16.0
TLVL3
TLVL2
TLVL1
TLVL0
TRF1
TRF0
R/W
1
0
0
0
1
0
Transmitter
Rise/Fall Time
Adjust
11 = -0.25 nS
10 = +0.0 nS
01 = +0.25 nS
00 = +0.50 nS
R/W
x.15 Bit Is Shifted First
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