参数资料
型号: NQ80220
厂商: LSI CORP
元件分类: 网络接口
英文描述: 100BASE-TX/10BASE-T Ethernet Media Interface Adapter
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 28/91页
文件大小: 907K
代理商: NQ80220
80220/80221
MD400159/E
34
Table 10. MI Register 0 (Control) Structure And Bit Definition
0.15
0.14
0.13
0.12
0.11
0.10
0.9
0.8
RST
LPBK
SPEED
ANEG_EN
PDN
MII_DIS
ANEG_RST
DPLX
R/WSC
R/W
R/WSC
R/W
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
COLTST
0
00000
R/W
Bit
Symbol
Name
Definition
R/W
Def.
0.15
RST
Reset
1 = Reset, Bit Self Clearing After Reset Completed
R/W
0
0 = Normal
SC
0.14
LPBK
Loopback Enable
1 = Loopback Mode Enabled
R/W
0
0 = Normal
0.13
SPEED
Speed Select
1 = 100 Mbps Selected (100BaseTX)
R/W
1
0 = 10 Mbps Selected (10BaseT)
0.12
ANEG_EN
AutoNegotiation
1 = AutoNegotiation Enabled
R/W
1
Enable
0 = Normal
0.11
PDN
Powerdown Enable
1 = Powerdown
R/W
0
0 = Normal
0.10
MII_DIS
MII Interface
1 = MII Interface Disabled
R/W
11
Disable
0 = Normal
0.9
ANEG_RST
AutoNegotiation
1 = Restart AutoNegotiation Process, Bit Self
R/W
0
Reset
Clearing After Reset Completed
SC
0 = Normal
0.8
DPLX
Duplex Mode
1 = Full Duplex
R/W
0
Select
0 = Half Duplex
0.7
COLTST
Collision Test
1 = Collision Test Enabled
R/W
0
Enable
0 = Normal
0.6
Reserved
R/W
0
thru
0.0
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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