Datasheet

 2016-2017 Microchip Technology Inc. DS00002117F-page 35
KSZ9031RNX
2.15:0 PHY ID
Number
Assigned to Bits [3:18] of the organizationally
unique identifier (OUI). KENDIN Communication’s
OUI is 0010A1h.
RO 0022h
Register 3h - PHY Identifier 2
3.15:10 PHY ID
Number
Assigned to Bits [19:24] of the organizationally
unique identifier (OUI). KENDIN Communication’s
OUI is 0010A1h.
RO 0001_01
3.9:4 Model
Number
Six-bit manufacturer’s model number RO 10_0010
3.3:0 Revision
Number
Four-bit manufacturer’s revision number RO Indicates silicon
revision
Register 4h - Auto-Negotiation Advertisement
4.15 Next Page 1 = Next page capable
0 = No next page capability
RW 0
4.14 Reserved Reserved RO 0
4.13 Remote Fault 1 = Remote fault supported
0 = No remote fault
RW 0
4.12 Reserved Reserved RO 0
4.11:10 Pause [4.11, 4.10]
[0,0] = No pause
[1,0] = Asymmetric pause (link partner)
[0,1] = Symmetric pause
[1,1] = Symmetric and asymmetric pause (local
device)
RW 00
4.9 100BASE-T4 1 = T4 capable
0 = No T4 capability
RO 0
4.8 100BASE-TX
Full-Duplex
1 = 100 Mbps full-duplex capable
0 = No 100 Mbps full-duplex capability
RW 1
4.7 100BASE-TX
Half-Duplex
1 = 100 Mbps half-duplex capable
0 = No 100 Mbps half-duplex capability
RW 1
4.6 10BASE-T
Full-Duplex
1 = 10 Mbps full-duplex capable
0 = No 10 Mbps full-duplex capability
RW 1
4.5 10BASE-T
Half-Duplex
1 = 10 Mbps half-duplex capable
0 = No 10 Mbps half-duplex capability
RW 1
4.4:0 Selector
Field
[00001] = IEEE 802.3 RW 0_0001
Register 5h - Auto-Negotiation Link Partner Ability
5.15 Next Page 1 = Next page capable
0 = No next page capability
RO 0
5.14 Acknowledge 1 = Link code word received from partner
0 = Link code word not yet received
RO 0
5.13 Remote Fault 1 = Remote fault detected
0 = No remote fault
RO 0
5.12 Reserved Reserved RO 0
TABLE 4-3: IEEE-DEFINED REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description
Mode
Note 4-1
Default