BCM5722 Programmer’s Guide
10/15/07
Broadcom Corporation
Page 491 Transceiver Registers (BCM5906/BCM5906M) Document 5722-PG101-R
Link Partner Auto-Negotiation Able
Bit 0 of the Auto-Negotiation Expansion Register returns a 1 when the link partner is known to have auto-negotiation
capability. Before any auto-negotiation information is exchanged, or if the link partner does not comply with IEEE auto-
negotiation, the bit returns a value of 0.
Auto-negotiation Next Page Register
Next Page
Indicates whether this is the last Next Page to be transmitted.
Message Page
Differentiates a message page from an unformatted page.
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 that may contain an arbitrary value.
Table 544: Next Page Transmit Register (Address 07d, 07h)
Bit Name R/W Description Default
15:5 Reserved - - 000h
4 Parallel Detection Fault RO
LH
1 = Parallel detection fault.
0 = No parallel detection fault
0
3 Link Partner Next Page Able RO 1 = Link partner has Next Page capability
0 = Link partner does not have Next Page capability
0
2 Next Page Able RO 1 = Next Page able 1
1 Page Received RO 1 = New page has been received
0 = New page has not been received
0
0 Link Partner Auto-Negotiation Able RO
LH
1 = Link partner has auto-negotiation capability
0 = Link partner does not have auto-negotiation
capability
0
R/W = Read/Write, RO = Read only, SC = Self Clear, LL = Latched Low, LH = Latched High, LL and LH Clear after read
operation. Use default values of reserved bit(s) when writing to reserved bit(s).
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