LXT970ATC datasheet(65/74 Pages) INTEL

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Dual-Speed Fast Ethernet Transceiver — LXT970A

Datasheet

Table 46. Status Register (Address 1)

Bit

Name

Description

Type 1

Default

1.15

100BASE-T4

Not Supported.

1.14

100BASE-X

full-duplex

1 = LXT970A able to perform full-duplex 100BASE-X.

1.13

100BASE-X

half-duplex

1 = LXT970A able to perform half-duplex 100BASE-X.

1.12

10 Mb/s

full-duplex

1 = LXT970A able to operate at 10 Mb/s in full-duplex mode.

1.11

10 Mb/s

half-duplex

1 = LXT970A able to operate at 10 Mb/s in half-duplex mode.

1.10

100BASE-T2

full-duplex

Not Supported.

1.9

100BASE-T2

half-duplex

Not Supported.

1.8

Reserved

Ignore on read.

1.7

Master-Slave

Configuration

Fault

Not Supported.

1.6

MF Preamble

Suppression

0 = LXT970A will not accept management frames with preamble

suppressed.

1.5

Auto-Neg.

Complete

1 = Auto-negotiation process complete.

0 = Auto-negotiation process not complete.

1.4

Remote Fault

1 = Remote fault condition detected.

0 = No remote fault condition detected.

This bit is set when:

Link partner transmits a remote fault condition (bit 5.13 = 1)

Link partner protocol is anything other than CSMA-CD

(bits 5.4:0 = <00001>)

Link partner advertises T4 capability only

(bits 5.9:5 ¼ <10000>)

RO/LH

1.3

Auto-Neg.

Ability

1 = LXT970A is able to perform auto-negotiation.

1.2

Link Status

1 = Link is up.

0 = Link is down.

RO/LL

1.1

Jabber Detect

(10BASE-T

Only)

1 = Jabber condition detected.

0 = No jabber condition detected.

RO/LH

1.0

Extended

Capability

1 = Extended register capabilities.

1. RO = Read Only

LL = Latching Low (This bit remains Low until read, and then returns High).

LH = Latching High (This bit remains High until read, and then returns Low).

LXT970ATC Datasheet(PDF) 65 Page - Intel Corporation

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