參數(shù)資料
型號： NQ80220
廠商： LSI CORP
元件分類： 網(wǎng)絡(luò)接口
英文描述： 100BASE-TX/10BASE-T Ethernet Media Interface Adapter
中文描述： DATACOM, ETHERNET TRANSCEIVER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 35/91頁
文件大?。?/td> 907K
代理商： NQ80220
80220/80221
MD400159/E
40
Table 16. MI Register 16 (Configuration 1) Structure And Bit Definition
16.15
16.14
16.13
16.12
16.11
16.10
16.9
16.8
LNK_DIS
XMT_DIS
XMT_PDN
TXEN_CRS
BYP_ENC
BYP_SCR
0
EQLZR
R/W
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
CABLE
RLVL0
TLVL3
TLVL2
TLVL1
TLVL0
TRF1
TRF0
R/W
Bit
Symbol
Name
Definition
R/W
Def.
16.15
LNK_DIS
Link Disable
1 = Receive Link Detect Function Disabled
R/W
0
(Force Link Pass)
0 = Normal
16.14
XMT_DIS
TP Transmit
1 = TP Transmitter Disabled
R/W
0
Disable
0 = Normal
16.13
XMT_PDN
TP Transmit
1 = TP Transmitter Powered Down
R/W
0
Powerdown
0 = Normal
16.12
TXEN_CRS
TXEN to CRS
1 = TX_EN to CRS Loopback Disabled
R/W
0
Loopback Disable
0 = Enabled
16.11
BYP_ENC
Bypass
1 = Bypass 4B5B Encoder/Decoder
R/W
0
Encoder/Decoder
0 = No Bypass
Select
16.10
BYP_SCR
Bypass
1 = Bypass Scrambler/Descrambler
R/W
0
Scrambler/Descr-
0 = No Bypass
ambler Select
16.9
UNSCR_DIS
Unscrambled Idle
1 = Disable AutoNegotiation with devices that
R/W
0
Reception Disable
transmit unscrambled idle on powerup and
various instances
0 = Enables AutoNegotiation with devices that
transmit unscramblled idle on powerup and
various instances
16.8
EQLZR
Receive Equalizer
1 = Receive Equalizer Disabled, Set To 0 Length
R/W
0
Select
0 = Receive Equalizer On (For 100Mb Mode Only)
16.7
CABLE
Cable Type Select
1 = STP (150 Ohm)
R/W
0
0 = UTP (100 Ohm)
16.6
RLVL0
Receive Input
1 = Receive Squelch Levels Reduced By 4.5 dB
R/W
0
Level Adjust
0 = Normal
16.5
TLVL3
Transmit Output
See Table 3
R/W
1
16.4
TLVL2
Level Adjust
0
16.3
TLVL1
0
16.2
TLVL0
0
16.1
TRF1
Transmitter
11 = -0.25 nS
R/W
1
16.0
TRF0
Rise/Fall Time
10 = +0.0 nS
0
Adjust
01 = +0.25 nS
00 = +0.50 nS
x.15 Bit Is Shifted First
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