Datasheet

KSZ8041TL/FTL/MLL
DS00002436B-page 40  2017 Microchip Technology Inc.
1B.8
Link Up
Interrupt
Enable
1 = Enable Link Up Interrupt
0 = Disable Link Up Interrupt
RW 0
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
Acknowl-
edge
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.12:9 Reserved — — 0000
1D.8:0
Cable Fault
Counter
Distance to fault; it’s approximately
0.4m*(Cable Fault Counter value in decimal)
RO 0_0000_0000
Register 1Eh – PHY Control 1
1E15:14 LED Mode
[00] = LED1: Speed; LED0: Link/Activity
[01] = LED1: Activity; LED0: Link
[10], [11] = Reserved
RW 00
1E.13 Polarity
0 = Polarity is not reversed
1 = Polarity is reversed
RO —
1E.12
Far-End
Fault Detect
0 = Far-End Fault not detected
1 = Far-End Fault detected
This bit applies to KSZ8041FTL fiber only.
RO 0
1E.11
MDI/MDI-X
State
0 = MDI
1 = MDI-X
RO —
1E.10:8 Reserved — — —
TABLE 4-2: REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description
Mode
Note 4-1
Default