DP83816-MAAP National Semiconductor, DP83816-MAAP Datasheet - Page 24
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DP83816-MAAP
Manufacturer Part Number
DP83816-MAAP
Description
BOARD EVALUATION DP83816
Manufacturer
National Semiconductor
Datasheet
1.DP83816AVNGNOPB.pdf
(106 pages)
Specifications of DP83816-MAAP
Main Purpose
Interface, Ethernet
Utilized Ic / Part
DP83816
Lead Free Status / RoHS Status
Not applicable / Not applicable
Secondary Attributes
-
Embedded
-
Primary Attributes
-
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- Download datasheet (819Kb)
Figure 3-10 EIA/TIA Attenuation vs. Frequency for 0, 50,
3.0 Functional Description
Figure 3-11 MLT-3 Signal Measured at AII after 0 meters
3.10.4 Line Quality Monitor
It is possible to determine the amount of Equalization being
used by accessing certain test registers with the DSP
engine. This provides a crude indication of connected
cable length. This function allows for a quick and simple
verification of the line quality in that any significant
deviation from an expected register value (based on a
known cable length) would indicate that the signal quality
has deviated from the expected nominal case.
100, 130 & 150 meters of CAT V cable
of CAT V cable
2ns/div
(Continued)
24
3.10.5 MLT-3 to NRZI Decoder
The DP83816 decodes the MLT-3 information from the
Digital Adaptive Equalizer block to binary NRZI data.
Figure 3-13 MLT-3 Signal Measured at AII after 100
Figure 3-12 MLT-3 Signal Measured at AII after 50
meters of CAT V cable
meters of CAT V cable
2ns/div
2ns/div
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