5222-DS01-R datasheet(39/76 Pages) BOARDCOM

39 / 76 page

Preliminary Data Sheet

BCM5222

7/20/04

Broadcom Corporation

Document 5222-DS02-405-R

Auto-Negotiation Link Partner (LP) Next Page Transmit Register

Page 27

ACKNOWLEDGE 2

Indicates that a device has the ability to comply with the message.

TOGGLE

Used by the Arbitration function to ensure synchronization with the link partner during next page exchange.

MESSAGE CODE FIELD

An 11-bit-wide field, encoding 2048 possible messages.

UNFORMATTED CODE FIELD

An 11-bit-wide field, which may contain an arbitrary value.

AUTO-NEGOTIATION LINK PARTNER (LP) NEXT PAGE TRANSMIT

Indicates whether this is the last next page.

Table 14: Next Page Transmit Register (Address 08d, 08h)

Bit

Name

R/W

Description

Default

1 = Additional next page(s) will follow

0 = Last page

Reserved

Ignore when read

Message Page

1= Message page

0 = Unformatted page

Acknowledge 2

1 = Will comply with message

0 = Cannot comply with message

Toggle

1 = Previous value of the transmitted link code word

equalled logic zero

0 = Previous value of the transmitted link code word

equalled logic one

10:0

Message/Unformatted Code

Field

Note: R/W = Read/Write, RO = Read only, SC = Self Clear, LL = Latched Low, LH = Latched High, LL & LH Clear after

read operation. Use default values of reserved bit(s) when writing to reserved bit(s).

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