CDB8952T-IQ 데이터 시트보기 (PDF) - Cirrus Logic
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CDB8952T-IQ Datasheet PDF : 86 Pages
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CS8952T
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
Auto-Negotiation Next-Page Transmit Register - Address 07h
15
Next Page
14
Acknowledge
13
Message
Page
12
Acknowledge
2
11
Toggle
10
9
8
Message/Unformatted Code Field
7
6
5
4
3
2
1
0
Message/Unformatted Code Field
BIT
NAME
15 Next Page
TYPE
Read/Write 0
RESET
DESCRIPTION
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.
14 Acknowledge
Read Only 0
13 Message Page
Read/Write 1
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.
This bit is used for Link Code Word verification. When
set, it indicates that consistent data has been suc-
cessfully read from the link partner.
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 unfor-
matted data.
12 Acknowledge 2 Read/Write 0
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.
When set, this bit indicates to the link partner that the
CS8952T can comply with the last received mes-
sage.
11 Toggle
Read Only 0
10:0 Message/Unformat- Read/Write 000 0000 0001
ted Code Field
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.
This bit is used to maintain synchronization with the
link partner during Next Page exchange.
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.
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
40
DS206TPP2
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