lxt9781 Intel Corporation, lxt9781 Datasheet - Page 66

• Manufacturer Part Number: lxt9781
• Description: Fast Ethernet 10/100 Multi-port Transceiver With Rmii
• Manufacturer: Intel Corporation

LXT9761/9781 — Fast Ethernet 10/100 Multi-Port Transceiver with RMII
66
1.12
1.11
1.10
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
2.15:0
1. RO = Read Only
2. Bit 1.4 is not valid if Auto-Negotiation is selected while operating in Fiber mode.
1. RO = Read Only
Bit
Bit
LL = Latching Low
LH = Latching High
Table 36. Status Register (Address 1) (Continued)
Table 37. PHY Identification Register 1 (Address 2)
10 Mbps Full Duplex
10 Mbps Half Duplex
100BASE-T2 Full
Duplex
100BASE-T2 Half
Duplex
Extended Status
Reserved
MF Preamble
Suppression
Auto-Negotiation
complete
Remote Fault
Auto-Negotiation Ability
Link Status
Jabber Detect
Extended Capability
PHY ID Number
Name
Name
2
The PHY identifier composed of bits 3 through 18 of the OUI.
1 = PHY able to operate at 10 Mbps in full-duplex mode
0 = PHY not able to operate at 10 Mbps full-duplex mode
1 = PHY able to operate at 10 Mbps in half-duplex mode
0 = PHY not able to operate at 10 Mbps in half-duplex
1 = PHY able to perform full-duplex 100BASE-T2
0 = PHY not able to perform full-duplex 100BASE-T2
1 = PHY able to perform half duplex 100BASE-T2
0 = PHY not able to perform half-duplex 100BASE-T2
1 = Extended status information in register 15
0 = No extended status information in register 15
1 = ignore when read
1 = PHY will accept management frames with preamble suppressed
0 = PHY will not accept management frames with preamble
suppressed
1 = Auto-negotiation complete
0 = Auto-negotiation not complete
1 = Remote fault condition detected
0 = No remote fault condition detected
1 = PHY is able to perform Auto-Negotiation
0 = PHY is not able to perform Auto-Negotiation
1 = Link is up
0 = Link is down
1 = Jabber condition detected
0 = Jabber condition not detected
1 = Extended register capabilities
0 = Extended register capabilities
Description
Description
Type
RO
RO/LH
RO/LH
Type
RO/LL
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
1
Datasheet
1
0013 hex
Default
Defaul
1
1
0
0
0
0
0
0
0
1
0
0
1
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