LM3S6110 Datasheet, PDF (574/610 Pages) Texas Instruments – Stellaris® LM3S6110 Microcontroller

Electrical Characteristics
Table 18-19. 100BASE-TX Receiver Characteristics (continued)
Parameter Name
Jitter tolerance (pk-pk)
Baseline wander tracking
Signal detect assertion time
Signal detect de-assertion time
Min
Nom
Max
Unit
4
-
-
ns
-75
-
+75
%
-
-
1000
µs
-
-
4
µs
Table 18-20. 10BASE-T Transmitter Characteristics^a
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 18-21. 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 18-22. 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 18-23. Isolation Transformers^a
Name
Turns ratio
Open-circuit inductance
Leakage inductance
Inter-winding capacitance
DC resistance
Insertion loss
Value
1 CT : 1 CT
350 uH (min)
0.40 uH (max)
25 pF (max)
0.9 Ohm (max)
0.4 dB (typ)
Condition
+/- 5%
@ 10 mV, 10 kHz
@ 1 MHz (min)
0-65 MHz
574
June 18, 2012
Texas Instruments-Production Data