Datasheet

 2016-2017 Microchip Technology Inc. DS00002117F-page 41
KSZ9031RNX
1B.9 Remote Fault
Interrupt
Enable
1 = Enable remote fault interrupt
0 = Disable remote fault interrupt
RW 0
1B.8 Link-Up
Interrupt
Enable
1 = Enable link-up interrupt
0 = Disable link-up interrupt
RW 0
1B.7 Jabber Inter-
rupt
1 = Jabber occurred
0 = Jabber did not occur
RO/RC 0
1B.6 Receive
Error Inter-
rupt
1 = Receive error occurred
0 = Receive error did not occur
RO/RC 0
1B.5 Page
Receive
Interrupt
1 = Page receive occurred
0 = Page receive did not occur
RO/RC 0
1B.4 Parallel
Detect Fault
Interrupt
1 = Parallel detect fault occurred
0 = Parallel detect fault did not occur
RO/RC 0
1B.3 Link Partner
Acknowl-
edge Inter-
rupt
1 = Link partner acknowledge occurred
0 = Link partner acknowledge did not occur
RO/RC 0
1B.2 Link-Down
Interrupt
1 = Link-down occurred
0 = Link-down did not occur
RO/RC 0
1B.1 Remote Fault
Interrupt
1 = Remote fault occurred
0 = Remote fault did not occur
RO/RC 0
1B.0 Link-Up
Interrupt
1 = Link-up occurred
0 = Link-up did not occur
RO/RC 0
Register 1Ch – Auto MDI/MDI-X
1C.15:8 Reserved Reserved RW 0000_0000
1C.7 MDI Set When Swap-Off (Bit [6] of this register) is asserted
(1),
1 = PHY is set to operate as MDI mode
0 = PHY is set to operate as MDI-X mode
This bit has no function when Swap-Off is
de-asserted (0).
RW 0
1C.6 Swap-Off 1 = Disable Auto MDI/MDI-X function
0 = Enable Auto MDI/MDI-X function
RW 0
1C.5:0 Reserved Reserved RW 00_0000
Register 1Fh – PHY Control
1F.15 Reserved Reserved RW 0
1F.14 Interrupt
Level
1 = Interrupt pin active high
0 = Interrupt pin active low
RW 0
1F.13:12 Reserved Reserved RW 00
1F.11:10 Reserved Reserved RO/LH/RC 00
1F.9 Enable
Jabber
1 = Enable jabber counter
0 = Disable jabber counter
RW 1
1F.8:7 Reserved Reserved RW 00
TABLE 4-4: VENDOR-SPECIFIC REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description
Mode
Note 4-1
Default