LM3S6422 Luminary Micro, Inc, LM3S6422 Datasheet - Page 441

• Manufacturer Part Number: LM3S6422
• Description: Lm3s6422 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

19.2.5
July 25, 2008
Ethernet Controller
Table 19-12. 100BASE-TX Transmitter Characteristics
a. Measured at the line side of the transformer.
Table 19-13. 100BASE-TX Transmitter Characteristics (informative)
a. The specifications in this table are included for information only. They are mainly a function of the external transformer
Table 19-14. 100BASE-TX Receiver Characteristics
Table 19-15. 10BASE-T Transmitter Characteristics
a. The Manchester-encoded data pulses, the link pulse and the start-of-idle pulse are tested against the templates and using
Parameter
Parameter Name
Peak output amplitude
Output amplitude symmetry
Output overshoot
Rise/Fall time
Rise/Fall time imbalance
Duty cycle distortion
Jitter
Parameter Name
Return loss
Open-circuit inductance
Parameter Name
Signal detect assertion threshold
Signal detect de-assertion threshold
Differential input resistance
Jitter tolerance (pk-pk)
Baseline wander tracking
Signal detect assertion time
Signal detect de-assertion time
Parameter Name
Peak differential output signal
Harmonic content
Link pulse width
Start-of-idle pulse width
and termination resistors used for measurements.
the procedures found in Clause 14 of IEEE 802.3.
A
A
HR
LR
Parameter Name
Absolute accuracy high range
Absolute accuracy low range
Min
350
16
0.98
Min
950
Nom
3
-
-
-
-
Min
2.2
27
-
-
-
-
Nom
Nom
Max
-
-
-
-
-
-
-
100
300
350
Min
600
350
-75
-
-
20
-
-
4
-
-
1050
Max
1.02
500
1.4
Unit
Max
Nom
5
5
dB
-
µs
2.8
700
425
Min
-
-
-
-
-
-
-
-
-
-
Preliminary
mVpk
mVpk
Unit
Unit
ns
ps
ps
ns
1000
dB
%
ns
ns
Max
+75
V
Nom
4
-
-
-
-
-
mVppd
mVppd
Unit
Max
±1/2
±1/4
kΩ
ns
µs
µs
%
Unit
LSB
LSB
a
a
a
LM3S6422 Microcontroller
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