Cs8952 – Cirrus Logic CS8952 User Manual
Page 38
CS8952
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
38
DS206F1
6.6
Auto-Negotiation Link Partner Ability Register - Address 05h
15
14
13
12
11
10
9
8
Next Page
Acknowledge
Remote Fault
Technology Ability Field
7
6
5
4
3
2
1
0
Technology Ability Field
Protocol Selector Field
BIT
NAME
TYPE
RESET
DESCRIPTION
15
Next Page
Read Only
0
When set, this bit indicates that the link partner is
capable of participating in the Next Page exchange.
14
Acknowledge
Read Only
0
When set, this bit indicates that the link partner has
received consistent data from the CS8952.
13
Remote Fault
Read Only
0
This bit indicates that a fault condition occurred on
the far end. When this bit is set and auto-negotiation
is enabled, the Remote Fault bit in the Basic Mode
Status Register (address 01h) will also be set.
12:5
Technology Ability
Field
Read Only
0000 0000
This field indicates the advertised capabilities of the
link partner as shown below. When the bit is set, the
corresponding technology has been advertised dur-
ing auto-negotiation.
BIT Capability
12 Reserved
11 Reserved
10 PAUSE operation for full duplex links.
9 100BASE-T4 (Note: this technology is not
8 100BASE-TX Full Duplex
7 100Base-TX Half Duplex
6 10BASE-T Full Duplex
5 10BASE-T Half Duplex
4:0
Protocol Selector
Field
Read Only
0 0000
This field is used to identify the type of message
being received during auto-negotiation.