參數(shù)資料
型號(hào): LQ80221
英文描述: LAN Transceiver
中文描述: 網(wǎng)絡(luò)收發(fā)器
文件頁(yè)數(shù): 34/91頁(yè)
文件大小: 907K
代理商: LQ80221
80220/80221
MD400159/E
34
Table 10. MI Register 0 (Control) Structure And Bit Definition
0.15
RST
R/WSC
0.14
LPBK
R/W
0.13
SPEED
R/W
0.12
0.11
PDN
R/W
0.10
MII_DIS
R/W
0.9
0.8
DPLX
R/W
ANEG_EN
R/W
ANEG_RST
R/WSC
0.7
0.6
0
R/W
0.5
0
R/W
0.4
0
R/W
0.3
0
R/W
0.2
0
R/W
0.1
0
R/W
0.0
0
R/W
COLTST
R/W
Bit
0.15
Symbol
RST
Name
Reset
Definition
1 = Reset, Bit Self Clearing After Reset Completed
0 = Normal
1 = Loopback Mode Enabled
0 = Normal
1 = 100 Mbps Selected (100BaseTX)
0 = 10 Mbps Selected (10BaseT)
1 = AutoNegotiation Enabled
0 = Normal
1 = Powerdown
0 = Normal
1 = MII Interface Disabled
0 = Normal
1 = Restart AutoNegotiation Process, Bit Self
Clearing After Reset Completed
0 = Normal
1 = Full Duplex
0 = Half Duplex
1 = Collision Test Enabled
0 = Normal
Reserved
R/W
R/W
SC
R/W
Def.
0
0.14
LPBK
Loopback Enable
0
0.13
SPEED
Speed Select
R/W
1
0.12
ANEG_EN
AutoNegotiation
Enable
Powerdown Enable
R/W
1
0.11
PDN
R/W
0
0.10
MII_DIS
MII Interface
Disable
AutoNegotiation
Reset
R/W
1
1
0.9
ANEG_RST
R/W
SC
0
0.8
DPLX
Duplex Mode
Select
Collision Test
Enable
R/W
0
0.7
COLTST
R/W
0
0.6
thru
0.0
R/W
0
x.15 Bit Is Shifted First
Note 1: if MDA[4:0] not = 11111, then the MII_DIS default value is changed to 0
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