DP83849CVSSLASHNOPB datasheet(59/100 Pages) TI2

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REMOTE FAULT

0, RO

Remote Fault:

1 = Remote Fault condition detected (cleared on read of BMSR (ad-

dress 01h) register or by reset). Fault criteria: notification from Link

Partner of Remote Fault via Auto-Negotiation.

0 = No remote fault condition detected.

JABBER DETECT

0, RO

Jabber Detect: This bit only has meaning in 10 Mb/s mode

This bit is a duplicate of the Jabber Detect bit in the BMSR register,

except that it is not cleared upon a read of the PHYSTS register.

1 = Jabber condition detected.

0 = No Jabber.

AUTO-NEG COM-

PLETE

0, RO

Auto-Negotiation Complete:

1 = Auto-Negotiation complete.

0 = Auto-Negotiation not complete.

LOOPBACK STA-

TUS

0, RO

Loopback:

1 = Loopback enabled.

0 = Normal operation.

DUPLEX STATUS

0, RO

Duplex:

This bit indicates duplex status and is determined from Auto-Nego-

tiation or Forced Modes.

1 = Full duplex mode.

0 = Half duplex mode.

Note: This bit is only valid if Auto-Negotiation is enabled and com-

plete and there is a valid link or if Auto-Negotiation is disabled and

there is a valid link.

SPEED STATUS

0, RO

Speed10:

This bit indicates the status of the speed and is determined from

Auto-Negotiation or Forced Modes.

1 = 10 Mb/s mode.

0 = 100 Mb/s mode.

Note: This bit is only valid if Auto-Negotiation is enabled and com-

plete and there is a valid link or if Auto-Negotiation is disabled and

there is a valid link.

LINK STATUS

0, RO

Link Status:

This bit is a duplicate of the Link Status bit in the BMSR register,

except that it will not be cleared upon a read of the PHYSTS regis-

ter.

1 = Valid link established (for either 10 or 100 Mb/s operation)

0 = Link not established.

Table 29. PHY Status Register (PHYSTS), address 10h

Bit

Bit Name

Default

Description

DP83849CVS/NOPB 데이터시트(PDF) 59 Page - Texas Instruments

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