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LM3S6611 Datasheet, PDF (606/647 Pages) List of Unclassifed Manufacturers – Microcontroller
Electrical Characteristics
Table 19-22. 100BASE-TX Receiver Characteristics
Parameter Name
Min
Signal detect assertion threshold
600
Signal detect de-assertion threshold
350
Differential input resistance
-
Jitter tolerance (pk-pk)
4
Baseline wander tracking
-75
Signal detect assertion time
-
Signal detect de-assertion time
-
Nom
700
425
20
-
-
-
-
Max
-
-
-
-
+75
1000
4
Unit
mVppd
mVppd
kΩ
ns
%
µs
µs
Table 19-23. 10BASE-T Transmitter Characteristicsa
Parameter Name
Min
Nom
Max
Unit
Peak differential output signal
2.2
-
2.8
V
Harmonic content
27
-
-
dB
Link pulse width
-
100
-
ns
Start-of-idle pulse width
-
300
-
ns
350
a. The Manchester-encoded data pulses, the link pulse and the start-of-idle pulse are tested against the templates and using
the procedures found in Clause 14 of IEEE 802.3.
Table 19-24. 10BASE-T Transmitter Characteristics (informative)a
Parameter Name
Min
Nom
Max
Unit
Output return loss
15
-
-
dB
Output impedance balance
29-17log(f/10)
-
-
dB
Peak common-mode output voltage
-
-
50
mV
Common-mode rejection
-
-
100
mV
Common-mode rejection jitter
-
-
1
ns
a. The specifications in this table are included for information only. They are mainly a function of the external transformer
and termination resistors used for measurements.
Table 19-25. 10BASE-T Receiver Characteristics
Parameter Name
Jitter tolerance (pk-pk)
Input squelched threshold
Differential input resistance
Common-mode rejection
Min
Nom
Max
30
-
-
500
600
700
-
20
-
25
-
-
Unit
ns
mVppd
kΩ
V
Table 19-26. Isolation Transformersa
Name
Turns ratio
Open-circuit inductance
Leakage inductance
Inter-winding capacitance
DC resistance
Value
1 CT : 1 CT
350 uH (min)
0.40 uH (max)
25 pF (max)
0.9 Ohm (max)
Condition
+/- 5%
@ 10 mV, 10 kHz
@ 1 MHz (min)
606
July 16, 2014
Texas Instruments-Production Data