AC101L-DS06-R datasheet(28/54 Pages) BOARDCOM

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AC101L

Preliminary Data Sheet

8/9/04

B roa dcom Co rpo rat ion

Page 18

TP PHY Register Summary

Document

AC101L-DS06-R

6.4

Parallel

Detection Fault

1 = Fault detected by parallel detection logic; this fault is due to

more than one technology detecting a concurrent link-up

condition. This bit can only be cleared by reading register 6,

using the management interface.

0 = No fault detected by parallel detection logic.

RO/LH

6.3

Link Partner

Next Page Able

1 = Link partner supports Next Page function.

0 = Link partner does not support Next Page function.

6.2

Next Page Able

Next page is supported.

6.1

Page Received

This bit is set when a new link code word has been received into

the Auto-Negotiation Link Partner Ability register. This bit is

cleared upon a read of this register.

6.0

Link Partner

ANEN-Able

1 = Link partner is auto-negotiation capable.

0 = Link partner is not auto-negotiation capable.

Table 12: Register 7: Auto-Negotiation Next Page Transmit Register

Bit

Name

Description

Mode

Default

7.15

1 = Another Next Page desired.

0 = No other Next Page transmit desired.

7.14

Reserved

–

7.13

1 = Message page.

0 = Unformatted page.

7.12

ACK2

1 = Will comply with message.

0 = Cannot comply with message.

7.11

TOG_TX

1 = Previous value of transmitted link code word equals to 0.

0 = Previous value of transmitted link code word equals to 1.

17.[10:0]

CODE

Message/Unformatted Code field.

001

Table 13: Register 16: BT and Interrupt Level Control Register

Bit

Name

Description

Mode

Default

16.15

Repeater

1 = Repeater mode. Full-duplex is inactive, and CRS only

responds to receive activity. SQE test function is disabled.

Set by

Repeater

16.14

Reserved

16.13

TXJAM

1 = Forces CIM to send JAM pattern.

0 = Normal operation.

16.12

Reserved

16.11

SQE Test

Inhibit

1 = Disable 10BASE-T SQE testing.

0 = Enable 10BASE-T SQE testing, which generates a COL

pulse following the completion of a packet transmission.

16.[10:6]

Reserved

–

Table 11: Register 6: Auto-Negotiation Expansion Register (Cont.)

Bit

Name

Description

Mode

Default

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