VSC8541XMV-05 datasheet(46/101 Pages) MICROCHIP

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Registers

VMDS-10513 VSC8541-02 Datasheet Revision 4.1

4.2.15

1000BASE-T Status Extension 2

The second status extension register is at address 17 in the device main registers space. It provides

information about another set of parameters associated with 1000BASE-T communications. For

information about the first status extension register, see Table 34, page 36.

100BASE-TX current link status RO

1: PHY 100BASE-TX link active.0

100BASE-TX receive error

Self-clearing bit.

1: Receive error detected.

100BASE-TX transmit error

Self-clearing bit.

1: Transmit error detected.

100BASE-TX SSD error

Self-clearing bit.

1: Start-of-stream delimiter error detected.

100BASE-TX ESD error

Self-clearing bit.

1: End-of-stream delimiter error detected.

7:0 Reserved

Reserved.

Table 36 •

1000BASE-T Status Extension 2, Address 17 (0x11)

Bit Name

Access Description

Default

1000BASE-T descrambler

1: Descrambler locked.

1000BASE-T lock error

Self-clearing bit.

1: Lock error detected.

1000BASE-T disconnect state

Self-clearing bit.

1: PHY 1000BASE-T link disconnect detected.

1000BASE-T current link status

1: PHY 1000BASE-T link active.0

1000BASE-T receive error

Self-clearing bit.

1: Receive error detected.

1000BASE-T transmit error

Self-clearing bit.

1: Transmit error detected.

1000BASE-T SSD error

Self-clearing bit.

1: Start-of-stream delimiter error detected.

1000BASE-T ESD error

Self-clearing bit.

1: End-of-stream delimiter error detected.

1000BASE-T carrier extension error RO

Self-clearing bit.

1: Carrier extension error detected.

Non-compliant BCM5400 detected

1: Non-compliant BCM5400 link partner detected. 0

MDI crossover error

1: MDI crossover error was detected.

4:0 Reserved

Reserved.

Table 35 •

100BASE-TX Status Extension, Address 16 (0x10) (continued)

Bit Name

Access Description

Default

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