NWK933
reg 25 - ANEG status
Bit
25.15:14
25.13
25.12:8
25.7
25.6
25.5
25.4
25.3:0
Bit name
reserved
Pol
PA
aneg
complete
Duplex
speed
ability mtc
ANEG state
Description
test mode only - do not set high
1 indicates polarity reversal on RX inputs (10Base-T)
copy of PHY address pins
1 = aneg completed
0 = aneg did not complete (same as reg1.5)
ANEG result - duplex operation
0 = HDX, 1 = FDX
ANEG result - speed of operation
0 = 10M, 1 = 100M
1 = abilities match between registers 4 & 5
ANEG state machine current state
Default
0
0
PA<4:0>
0
0
0
0
0
R/W
RO
RO
RO
RO
RO
RO
RO
RO
reg 26 - Symbol error counter
Bit
26.15:0
Bit name
RX_ERR
counter
Description
number of RX_ERR events since last read - Clears
either in change of speed or read of this reg.
Default
0
R/W
RO
SC
reg 27 - False carrier event counter
Bit
27.15
27.14:8
27.7:0
Bit name
disconnect
reserved
false CRS
counter
number of False CRS events since last read.
Active only when DISCEN = 1”.
Description
the disconnect mechanism status
Default
0
0
0
R/W
RO
LH
RO
RO
SC
reg 28, 29, 30, 31 - Test registers
Bit
15:0
Bit name
reserved
Description
test mode only
Default
0000
R/W
res
13