Datasheet
Micrel, Inc.
KSZ8081MNX/KSZ8081RNB
August
19, 2015 49
Revision 1.4
Register Description (Continued)
Address Name Description Mode
(10)
Default
Register 1Bh – Interrupt Control/Status
1B.7
Jabber
Interrupt
1 = Jabber occurred
0 = Jabber did not occur
RO/SC 0
1B.6
Receive Error
Interrupt
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
Acknowledge
Interrupt
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
Diagnostic
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
Diagnostic
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