FALXT972MCCA4 datasheet(82/92 Pages) INTEL

82 / 92 page

Intel

® LXT972M Single-Port 10/100 Mbps PHY Transceiver

Datasheet

Document Number: 302875-005

Revision Date: 27-Oct-2005

Table 48 lists auto-negotiation next page transmit bits.

Table 49 lists auto-negotiation link partner next page receive bits.

Table 48. Auto-Negotiation Next Page Transmit Register - Address 7, Hex 7

Bit

Name

Description

Type 1

Default

7.15

Next Page (NP)

0 = Last page

1 = Additional next pages follow

R/W

7.14

Reserved

Ignore when read.

7.13

Message Page

(MP)

0 = Register bits 7.10:0 are user defined.

1 = Register bits 7.10.0 follow IEEE message page

format.

R/W

7.12

Acknowledge 2

(ACK2)

0 = Cannot comply with message

1 = Complies with message

R/W

7.11

Toggle (T)

0 = Previous value of the transmitted Link Code Word

equalled logic one

1 = Previous value of the transmitted Link Code Word

equalled logic zero

R/W

7.10:0

Message/

Unformatted

Code Field

If Register bits 7.13 = 0, Register bits 7.10:0 are user-

defined.

If Register bits 7.13 = 1, Register bits 7.10:0 follow

IEEE message page format.

R/W

00000000

001

1. RO = Read Only. R/W = Read/Write

Table 49. Auto-Negotiation Link Partner Next Page Receive Register - Address 8, Hex 8

Bit

Name

Description

Type 1

Default

8.15

Next Page (NP)

0 = Link Partner has no additional next pages to

send

1 = Link Partner has additional next pages to send

8.14

Acknowledge (ACK)

0 = Link Partner has not received Link Code Word

from LXT972M Transceiver.

1 = Link Partner has received Link Code Word from

LXT972M Transceiver.

8.13

Message Page (MP)

0 = Register bits 8.10:0 are user defined.

1 = Register bits 8.10:0 follow IEEE message page

format.

8.12

Acknowledge 2

(ACK2)

0 = Link Partner cannot comply with the message

1 = Link Partner complies with the message

8.11

Toggle (T)

0 = Previous value of transmitted Link Code Word

equal to logic one

1 = Previous value of transmitted Link Code Word

equal to logic zero

8.10:0

Message/Unformatted

Code Field

If Register bit 8.13 = 0, Register bits 18.10:0 are

user defined.

If Register bit 8.13 = 1, Register bits 18.10:0 follow

IEEE message page format.

000000

0000

1. RO = Read Only.

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