DP83815DUJB/NOPB National Semiconductor, DP83815DUJB/NOPB Datasheet - Page 26
DP83815DUJB/NOPB
Manufacturer Part Number
DP83815DUJB/NOPB
Description
IC MEDIA ACCESS CONTROL 160-LBGA
Manufacturer
National Semiconductor
Datasheet
1.DP83815DVNGNOPB.pdf
(108 pages)
Specifications of DP83815DUJB/NOPB
Controller Type
Ethernet Controller, MAC/BIU
Interface
PCI
Voltage - Supply
3.3V
Current - Supply
170mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
160-LBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*DP83815DUJB
*DP83815DUJB/NOPB
DP83815DUJB
*DP83815DUJB/NOPB
DP83815DUJB
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DP83815DUJB/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
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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)
26
3.10.5 MLT-3 to NRZI Decoder
The DP83815 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
Rev O
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