KSZ8041NL/RNL
TABLE 4-2:
Address
REGISTER DESCRIPTIONS (CONTINUED)
Name Description
Mode
(Note 4-1)
Default
Register 4h – Auto-Negotiation Advertisement
1 = Next page capable
0 = No next page capability
4.15
4.14
4.13
4.12
Next Page
Reserved
RW
RO
RW
RO
0
0
0
0
—
1 = Remote fault supported
0 = No remote fault
Remote Fault
Reserved
—
[00] = No PAUSE
[10] = Asymmetric PAUSE
[01] = Symmetric PAUSE
[11] = Asymmetric & Symmetric
PAUSE
4.11:10
Pause
RW
00
1 = T4 capable
0 = No T4 capability
4.9
4.8
100BASE-T4
RO
RW
0
Set by SPEED strapping
pin.
See Table 2-2 and
Table 2-4 for details.
1 = 100 Mbps full-duplex capable
0 = No 100 Mbps full-duplex
capability
100BASE-TX Full-Duplex
1 = 100 Mbps half-duplex capa-
ble
0 = No 100 Mbps half-duplex
capability
Set by SPEED strapping
pin.
See Table 2-2 and
Table 2-4 for details.
4.7
4.6
100BASE-TX Half-Duplex
10BASE-T Full-Duplex
RW
RW
1 = 10 Mbps full-duplex capable
0 = No 10 Mbps full-duplex capa-
bility
1
1 = 10 Mbps half-duplex
capable
0 = No 10 Mbps half-duplex
capability
4.5
10BASE-T Half-Duplex
Selector Field
RW
RW
1
4.4:0
[00001] = IEEE 802.3
0_0001
Register 5h – Auto-Negotiation Link Partner Ability
1 = Next page capable
0 = No next page capability
5.15
5.14
Next Page
RO
RO
0
0
1 = Link code word received from
partner
0 = Link code word not yet
received
Acknowledge
1 = Remote fault detected
0 = No remote fault
5.13
5.12
Remote Fault
Reserved
RO
RO
0
0
—
[00] = No PAUSE
[10] = Asymmetric PAUSE
[01] = Symmetric PAUSE
[11] = Asymmetric &
Symmetric PAUSE
5.11:10
Pause
RO
00
1 = T4 capable
0 = No T4 capability
5.9
5.8
100BASE-T4
RO
RO
0
0
1 = 100 Mbps full-duplex capable
0 = No 100 Mbps full-duplex
capability
100BASE-TX Full-Duplex
DS00002245B-page 32
2017 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
