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LM3S8G62 Datasheet, PDF (1046/1096 Pages) Texas Instruments – Stellaris® LM3S8G62 Microcontroller
OBSOLETE: TI has discontinued production of this device.
Electrical Characteristics
Figure 24-17. I2C Timing
I2
I6
I5
I2CSCL
I1
I4
I7
I8 I3
I9
I2CSDA
24.16 Ethernet Controller
Table 24-26. Ethernet Controller DC Characteristics
Parameter
REBIAS
Parameter Name
Value of the pull-down resistor on the ERBIAS pin
Value
12.4K ± 1 %
Unit
Ω
Table 24-27. 100BASE-TX Transmitter Characteristicsa
Parameter Name
Min
Nom
Peak output amplitude
950
-
Output amplitude symmetry
98
-
Output overshoot
-
-
Rise/Fall time
3
-
Rise/Fall time imbalance
-
-
Duty cycle distortion
-
-
Jitter
-
-
a. Measured at the line side of the transformer.
Max
1050
102
5
5
500
±250
1.4
Unit
mVpk
%
%
ns
ps
ps
ns
Table 24-28. 100BASE-TX Transmitter Characteristics (informative)a
Parameter Name
Min
Nom
Max
Unit
Return loss
16
-
-
dB
Open-circuit inductance
350
-
-
µH
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 24-29. 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
-80
Signal detect assertion time
-
Signal detect de-assertion time
-
Nom
700
425
3.6
-
-
-
-
Max
-
-
-
-
+80
1000
4
Unit
mVppd
mVppd
kΩ
ns
%
µs
µs
1046
Texas Instruments-Production Data
July 24, 2012