Register 7: SGMII Auto-Negotiation Next Page Transmit - 3.5 English - PG029

Quad Serial Gigabit Media Independent LogiCORE Product Guide (PG029)

Document ID
PG029
Release Date
2023-11-02
Version
3.5 English
Figure 2-21: MDIO Register 7: SGMII Auto-Negotiation Next Page Transmit

X-Ref Target - Figure 2-21

SGMII_AN_Next_Page_Transmit.jpg
Table 2-22: SGMII Auto-Negotiation Next Page Transmit (Register 7)

Bits

Name

Description

Attributes

Default Value (1)

7.15

Next Page

1 = Additional Next Page(s) to follow

0 = Last page

read/

write

0

7.14

Reserved

Always returns 0

returns 0

0

7.13

Message Page

1 = Message Page

0 = Unformatted Page

read/

write

1

7.12

Acknowledge 2

1 = Comply with message

0 = Cannot comply with message

read/

write

0

7.11

Toggle

Value toggles between subsequent Next Pages

read only

0

7.10:0

Message / Unformatted Code Field

Message Code Field or Unformatted Page Encoding as dictated by 7.13

read/

write

00000000001

(Null Message Code)

Notes:

1. This register returns the default values because the core does not support next page. The feature can be enabled, if requested.