Datasheet

KSZ8081RNA/RND
DS00002199A-page 32  2016 Microchip Technology Inc.
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/SC 0
1B.6 Receive
Error Inter-
rupt
1 = Receive error occurred
0 = Receive error did not occur
RO/SC 0
1B.5 Page
Receive
Interrupt
1 = Page receive occurred
0 = Page receive did not occur
RO/SC 0
1B.4 Parallel
Detect Fault
Interrupt
1 = Parallel detect fault occurred
0 = Parallel detect fault did not occur
RO/SC 0
1B.3 Link Partner
Acknowl-
edge Inter-
rupt
1 = Link partner acknowledge occurred
0 = Link partner acknowledge did not occur
RO/SC 0
1B.2 Link-Down
Interrupt
1 = Link-down occurred
0 = Link-down did not occur
RO/SC 0
1B.1 Remote Fault
Interrupt
1 = Remote fault occurred
0 = Remote fault did not occur
RO/SC 0
1B.0 Link-Up
Interrupt
1 = Link-up occurred
0 = Link-up did not occur
RO/SC 0
Register 1Dh – LinkMD Control/Status
1D.15 Cable Diag-
nostic Test
Enable
1 = Enable cable diagnostic test. After test has
completed, this bit is self-cleared.
0 = Indicates cable diagnostic test (if enabled) has
completed and the status information is valid for
read.
RW/SC 0
1D.14:13 Cable Diag-
nostic Test
Result
[00] = Normal condition
[01] = Open condition has been detected in cable
[10] = Short condition has been detected in cable
[11] = Cable diagnostic test has failed
RO 00
1D.12 Short Cable
Indicator
1 = Short cable (<10 meter) has been detected by
LinkMD
RO 0
1D.11:9 Reserved Reserved RW 000
1D.8:0 Cable Fault
Counter
Distance to fault RO 0_0000_0000
Register 1Eh – PHY Control 1
1E.15:10 Reserved Reserved RO 0000_00
1E.9 Enable
Pause (Flow
Control)
1 = Flow control capable
0 = No flow control capability
RO 0
1E.8 Link Status 1 = Link is up
0 = Link is down
RO 0
1E.7 Polarity Sta-
tus
1 = Polarity is reversed
0 = Polarity is not reversed
RO
1E.6 Reserved Reserved RO 0
TABLE 4-2: REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description
Mode
Note 4-1
Default