KSZ8091RNA Datasheet, PDF (40/67 Pages) Micrel Semiconductor – 10Base-T/100Base-TX Physical Layer Transceiver

Micrel, Inc.
IEEE-Defined Registers – Descriptions (Continued)
Address
Name
Description
Register 4h – Auto-Negotiation Advertisement
4.15
Next Page
1 = Next page capable
0 = No next page capability
4.14
Reserved
Reserved
4.13
Remote Fault
1 = Remote fault supported
0 = No remote fault
4.12
Reserved
Reserved
4.11:10
Pause
[00] = No pause
[10] = Asymmetric pause
[01] = Symmetric pause
[11] = Asymmetric and symmetric pause
1 = T4 capable
4.9
100Base-T4
0 = No T4 capability
4.8
100Base-TX
Full-Duplex
1 = 100Mbps full-duplex capable
0 = No 100Mbps full-duplex capability
4.7
100Base-TX
Half-Duplex
1 = 100Mbps half-duplex capable
0 = No 100Mbps half-duplex capability
4.6
10Base-T
Full-Duplex
1 = 10Mbps full-duplex capable
0 = No 10Mbps full-duplex capability
4.5
10Base-T
Half-Duplex
1 = 10Mbps half-duplex capable
0 = No 10Mbps half-duplex capability
4.4:0
Selector Field [00001] = IEEE 802.3
Register 5h – Auto-Negotiation Link Partner Ability
5.15
Next Page
1 = Next page capable
0 = No next page capability
5.14
Acknowledge
1 = Link code word received from partner
0 = Link code word not yet received
5.13
Remote Fault
1 = Remote fault detected
0 = No remote fault
5.12
Reserved
Reserved
5.11:10
Pause
[00] = No pause
[10] = Asymmetric pause
[01] = Symmetric pause
[11] = Asymmetric and symmetric pause
1 = T4 capable
5.9
100Base-T4
0 = No T4 capability
KSZ8091RNA/KSZ8091RND
Mode⁽⁶⁾
Default
RW
0
RO
0
RW
0
RO
0
RW
00
RO
0
Set by the ANEN_SPEED
strapping pin.
RW
See the Strapping Options section
for details.
Set by the ANEN_SPEED
strapping pin.
RW
See the Strapping Options section
for details.
RW
1
RW
1
RW
0_0001
RO
0
RO
0
RO
0
RO
0
RO
00
RO
0
August 31, 2015
40
Revision 1.2