KSZ8041NL/RNL
TABLE 4-2:
Address
REGISTER DESCRIPTIONS (CONTINUED)
Mode
Default
Name
Description
(Note 4-1)
1 = Enable Link Partner
Acknowledge Interrupt
0 = Disable Link Partner
Acknowledge Interrupt
Link Partner Acknowledge
Interrupt Enable
1b.11
1b.10
1b.9
RW
RW
RW
0
0
0
1= Enable Link Down Interrupt
0 = Disable Link Down Interrupt
Link Down Interrupt Enable
1 = Enable Remote Fault
Interrupt
0 = Disable Remote Fault
Interrupt
Remote Fault Interrupt
Enable
1 = Enable Link Up Interrupt
0 = Disable Link Up Interrupt
1b.8
1b.7
1b.6
1b.5
Link Up Interrupt Enable
Jabber Interrupt
RW
0
0
0
0
1 = Jabber occurred
0 = Jabber did not occur
RO/SC
RO/SC
RO/SC
1 = Receive Error occurred
0 = Receive Error did not occur
Receive Error Interrupt
Page Receive Interrupt
1 = Page Receive occurred
0 = Page Receive did not occur
1 = Parallel Detect Fault
occurred
0 = Parallel Detect Fault did not
occur
Parallel Detect Fault
Interrupt
1b.4
1b.3
RO/SC
RO/SC
0
0
1= Link Partner Acknowledge
occurred
0= Link Partner Acknowledge did
not occur
Link Partner Acknowledge
Interrupt
1= Link Down occurred
0= Link Down did not occur
1b.2
1b.1
1b.0
Link Down Interrupt
Remote Fault Interrupt
Link Up Interrupt
RO/SC
RO/SC
RO/SC
0
0
0
1= Remote Fault occurred
0= Remote Fault did not occur
1= Link Up occurred
0= Link Up did not occur
Register 1Eh – PHY Control 1
[00] = LED1 : Speed
LED0 : Link/Activity
1e:15:14 LED mode
[01] = LED1 : Activity
LED0 : Link
RW
00
[10], [11] = Reserved
0 = Polarity is not reversed
1 = Polarity is reversed
1e.13
1e.12
Polarity
RO
RO
RO
—
—
0
Reserved
—
0 = MDI
1 = MDI-X
1e.11
MDI/MDI-X State
Reserved
—
—
1e:10:8
—
0 = Normal mode
1e:7
Remote loopback
1 = Remote (analog) loop back is
enabled
RW
0
2017 Microchip Technology Inc.
DS00002245B-page 35
MICROCHIP [ MICROCHIP ]
