LXT972 Level One, LXT972 Datasheet - Page 57

• Manufacturer Part Number: LXT972
• Description: 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Level One

Table 44: Auto Negotiation Next Page Transmit Register (Address 7)
Table 45: Auto Negotiation Link Partner Next Page Receive Register (Address 8)
7.15
7.14
7.13
7.12
7.11
7.10:0
8.15
8.14
8.13
8.12
8.11
8.10:0
1. RO = Read Only. R/W = Read/Write
1. RO = Read Only.
Bit
Bit
Next Page
(NP)
Reserved
Message Page
(MP)
Acknowledge 2
(ACK2)
Toggle
(T)
Message/Unfor-
matted Code Field
Next Page
(NP)
Acknowledge
(ACK)
Message Page
(MP)
Acknowledge 2
(ACK2)
Toggle
(T)
Message/Unfor-
matted Code Field
Name
Name
1 = Additional next pages follow
0 = Last page
Write as 0, ignore on read
1 = Message page
0 = Unformatted page
1 = Will comply with message
0 = Can not comply with message
1 = Previous value of the transmitted Link Code Word equalled
logic zero
0 = Previous value of the transmitted Link Code Word equalled
logic one
1 = Link Partner has additional next pages to send
0 = Link Partner has no additional next pages to send
1 = Link Partner has received Link Code Word from LXT972
0 = Link Partner has not received Link Code Word from LXT972
1 = Page sent by the Link Partner is a Message Page
0 = Page sent by the Link Partner is an Unformatted Page
1 = Link Partner complies with the message
0 = Link Partner can not comply with the message
1 = Previous value of the transmitted Link Code Word equalled
logic zero
0 = Previous value of the transmitted Link Code Word equalled
logic one
User definable
Description
Description
LXT972 Register Definitions
Type
Type
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
1
1
0000000
Default
Default
0001
0
1
0
0
0
0
0
0
0
0
0
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