Ethernet Physical Transceiver (EPHY)
MCF52235 ColdFire® Integrated Microcontroller Reference Manual, Rev. 6
19-20
Freescale Semiconductor
19.3.4.2
Proprietary Status Register
Figure 19-16. Proprietary Status Register
4
LKC
Link Changed
1 The link status has changed since the last access of this register
0 The link status has not changed since the last access of this register. (LNK bit 14 of the proprietary
status register was changed)
3
ANC
Auto-Negotiation Changed
1 The auto-negotiation status has changed since the last access of this register
0 The auto-negotiation status has not changed since the last access of this register
2
Parallel Detect Fault
1 A parallel-detect fault has occurred since the last access of this register
0 A parallel-detect fault has not been detected since the last access of this register. (Bit 4 was set
by rising edge of parallel detection fault)
1
RMTF
Remote Fault
1 A remote fault condition has been detected since the last access of this register
0 A remote fault condition has not been detected since the last access of this register. (RMTF bit 4
of the status register was set by rising edge of a remote fault)
0
JABI
Jabber Interrupt
1 A jabber condition has been detected since the last access of this register
0 A jabber condition has not been detected since the last access of this register (JABD bit 1 of the
status register was set by rising edge of jabber condition)
MII Register Address: 0x11
Access: User read/write
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
LNK
DPMD
SPD
0
ANNC
PRCVD
ANC
MODE
0
0
PLR
0
0
0
0
0
W
Reset
0
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
1
This bit is valid only when ANNC is set.
Table 19-16. Proprietary Status Register Field Descriptions
Field
Description
15
Reserved, should be cleared.
14
LNK
Link Status
This is a duplicate of LNKSTAT bit 2 of the status register (1.2).
1 Link is down
0 Link is up
13
DPMD
Duplex Mode
1 Full-duplex
0 Half-duplex
Table 19-15. Interrupt Control Register Field Descriptions (continued)
Field
Description
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:MCF52234CVM60,
MCF52235CVM60
