DP83867IR Datasheet, PDF (107/130 Pages) Texas Instruments – High Immunity 10/100/1000 Ethernet Physical Layer Transceiver

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DP83867IR, DP83867CR
SNLS484C – FEBRUARY 2015 – REVISED NOVEMBER 2015
BIT
15:8
7:0
Table 107. TDR Peak Locations Register 10 (TDR_PEAKS_LOC_10), address 0x0199
BIT NAME
TDR_PEAKS_LOC_D_4
TDR_PEAKS_LOC_D_3
DEFAULT
0, RO
0, RO
DESCRIPTION
Location of the fifth peak discovered by the TDR mechanism on
channel D. The value of these bits is translated into distance from
the PHY.
Location of the fourth peak discovered by the TDR mechanism on
channel D. The value of these bits is translated into distance from
the PHY.
BIT
15
14:8
7
6:0
Table 108. TDR Peak Amplitudes Register 1 (TDR_PEAKS_AMP_1), address 0x019A
BIT NAME
RESERVED
TDR_PEAKS_AMP_A_1
RESERVED
TDR_PEAKS_AMP_A_0
DEFAULT
0, RO
0, RO
0, RO
0, RO
DESCRIPTION
RESERVED
Amplitude of the second peak discovered by the TDR mechanism
on channel A. The value of these bits is translated into type of cable
fault and-or interference.
RESERVED
Amplitude of the first peak discovered by the TDR mechanism on
channel A. The value of these bits is translated into type of cable
fault and-or interference.
BIT
15
14:8
7
6:0
Table 109. TDR Peak Amplitudes Register 2 (TDR_PEAKS_AMP_2), address 0x019B
BIT NAME
RESERVED
TDR_PEAKS_AMP_A_3
RESERVED
TDR_PEAKS_AMP_A_2
DEFAULT
0, RO
0, RO
0, RO
0, RO
DESCRIPTION
RESERVED
Amplitude of the fourth peak discovered by the TDR mechanism on
channel A. The value of these bits is translated into type of cable
fault and-or interference.
RESERVED
Amplitude of the third peak discovered by the TDR mechanism on
channel A. The value of these bits is translated into type of cable
fault and-or interference.
BIT
15
14:8
7
6:0
Table 110. TDR Peak Amplitudes Register 3 (TDR_PEAKS_AMP_3), address 0x019C
BIT NAME
RESERVED
TDR_PEAKS_AMP_B_0
RESERVED
TDR_PEAKS_AMP_A_4
DEFAULT
0, RO
0, RO
0, RO
0, RO
DESCRIPTION
RESERVED
Amplitude of the first peak discovered by the TDR mechanism on
channel B. The value of these bits is translated into type of cable
fault and-or interference.
RESERVED
Amplitude of the fifth peak discovered by the TDR mechanism on
channel A. The value of these bits is translated into type of cable
fault and-or interference.
BIT
15
14:8
7
6:0
Table 111. TDR Peak Amplitudes Register 4 (TDR_PEAKS_AMP_4),address 0x019D
BIT NAME
RESERVED
TDR_PEAKS_AMP_B_2
RESERVED
TDR_PEAKS_AMP_B_1
DEFAULT
0, RO
0, RO
0, RO
0, RO
DESCRIPTION
RESERVED
Amplitude of the third peak discovered by the TDR mechanism on
channel B. The value of these bits is translated into type of cable
fault and-or interference.
RESERVED
Amplitude of the second peak discovered by the TDR mechanism
on channel B. The value of these bits is translated into type of cable
fault and-or interference.
Copyright © 2015, Texas Instruments Incorporated
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