Manual

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
76543210
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.