LXT970AQC 查看數據表（PDF） - Intel

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LXT970AQC

Dual-Speed Fast Ethernet Transceiver

Intel 

Dual-Speed Fast Ethernet Transceiver — LXT970A

Table 9. LXT970A Auto-Negotiation Operating Speed/Full-Duplex

Advertisement Settings

Desired Configuration

Advertise all capabilities

Ignore FDE

Advertise 10 Mbps only

Advertise FD

Advertise 10 Mbps only

Do Not Advertise FD

Advertise 100 Mbps only

Advertised FD

Advertise 100 Mbps only

Do Not Advertise FD

Advertise 10/100 Mbps

Advertise FD

Advertise 10/100 Mbps

Do Not Advertise FD

Input Value

MF4

CFG1

VMF1, VMF4

Low

VMF1, VMF4

High

VMF2, VMF3

Low

VMF2, VMF3

High

FDE

MDIO Registers

–

High

Low

High

Low

High

Low

Sets 4.5, 4.6, 4.7 and 4.8 = 1

Sets 4.5 = 1

Sets 4.7 and 4.8 = 0

Sets 4.6 = 1

Sets 4.5 = 1

Sets 4.7 and 4.8 = 0

Sets 4.6 = 0

Sets 4.7 = 1

Sets 4.5 and 4.6 = 0

Sets 4.8 = 1

Sets 4.7 = 1

Sets 4.5 and 4.6 = 0

Sets 4.8 = 0

Sets 4.5 and 4.7 = 1

Sets 4.6 and 4.8 = 1

Sets 4.5 and 4.7 = 1

Sets 4.6 and 4.8 = 0

Datasheet

17

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