Cs8952 – Cirrus Logic CS8952 User Manual
Page 40
CS8952
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
40
DS206F1
6.8
Auto-Negotiation Next-Page Transmit Register - Address 07h
15
14
13
12
11
10
9
8
Next Page
Acknowledge Message Page Acknowledge 2
Toggle
Message/Unformatted Code Field
7
6
5
4
3
2
1
0
Message/Unformatted Code Field
BIT
NAME
TYPE
RESET
DESCRIPTION
15
Next Page
Read/Write 0
When set, this bit indicates that more Next Pages fol-
low. When clear, the current page is the last page of
data to be sent.
Note: This bit is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.
14
Acknowledge
Read Only
0
This bit is used for Link Code Word verification.
When set, it indicates that consistent data has been
successfully read from the link partner.
13
Message Page
Read/Write 1
When set, this bit indicates that the data in the Mes-
sage/Unformatted Code Field is one of the pre-
defined message pages. When low, the data is
unformatted data.
Note: This bit is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.
12
Acknowledge 2
Read/Write 0
When set, this bit indicates to the link partner that the
CS8952 can comply with the last received message.
Note: This bit is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.
11
Toggle
Read Only
0
This bit is used to maintain synchronization with the
link partner during Next Page exchange.
10:0
Message/Unformat-
ted Code Field
Read/Write 000 0000 0001
This field contains the 11 bit data for the Message or
Unformatted Page. It defaults to the Null Message.
Note: This field is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.