IP113M LF
Preliminary Data Sheet
40/58
April 9, 2007
Copyright © 2004, IC Plus Corp.
IP113M LF-DS-R11
Extended MII registers and EEPROM registers 17
MII
ROM
NAME
R/W
DESCRIPTION
DEFAULT
Interrupt register (17D)
17.0
--
intr_link
RO
RC
Link status change
It is logic “1” when link status changes on
TP port and it will active interrupt pin. It is
self-clear after reading the register.
1: link status change Interrupt occur,
0: no interrupt
0
17.1
--
intr_duplex
RO
RC
Duplex mode change
It is logic “1” when duplex status changes
on TP port and it will active interrupt pin. It
is self-clear after reading the register.
1: duplex status change Interrupt occur,
0: no interrupt
0
17.2
--
intr_speed
RO
RC
Speed mode change
It is logic “1” when speed changes on TP
port and it will active interrupt pin. It is
self-clear after reading the register.
1: speed change interrupt occur,
0: no interrupt
0
17.3
--
intr_mf_rx_indicate
RO
RC
Undefined
maintenance
frame
receive
indication
It is logic “1” when an undefined maintenance
frame is received and it will active interrupt
pin. An undefined maintenance frame is a
frame, which can’t be recognized by IP113M
LF. It is self-clear after reading the register.
1: Rx maintenance frame interrupt occur,
0: no interrupt
0
17.4
--
intr_cnt_overflow
RO
RC
Statistic counter overflow
It is logic “1” when statistic counter is
overflow and it will active interrupt pin. It is
self-clear after reading the register.
1: counter overflow interrupt occur,
0: no interrupt
0
17.5
--
intr_status
RO
RC
Interrupt status
It is logic “OR” of bit 17.0~17.4.
1: any interrupt occur,
0: no interrupt
0
17.6
--
Intr_pwabn
RO
RC
Power abnormal
It is logic “1” when 113M receives a
maintenance frame with link partner’s power
abnormal message and it will active interrupt
pin. It is self-clear after reading the register.
1: remote link partner power abnormal
0: nothing happen
0
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