LM3S8971 Luminary Micro, Inc, LM3S8971 Datasheet - Page 564

• Manufacturer Part Number: LM3S8971
• Description: Lm3s8971 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Electrical Characteristics
564
Table 23-15. 100BASE-TX Receiver Characteristics
Table 23-16. 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
Table 23-17. 10BASE-T Transmitter Characteristics (informative)
a. The specifications in this table are included for information only. They are mainly a function of the external transformer
Table 23-18. 10BASE-T Receiver Characteristics
Table 23-19. Isolation Transformers
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
Parameter Name
Output return loss
Output impedance balance
Peak common-mode output voltage
Common-mode rejection
Common-mode rejection jitter
Parameter Name
DLL phase acquisition time
Jitter tolerance (pk-pk)
Input squelched threshold
Input unsquelched threshold
Differential input resistance
Bit error ratio
Common-mode rejection
Turns ratio
Open-circuit inductance
the procedures found in Clause 14 of IEEE 802.3.
and termination resistors used for measurements.
Name
350 uH (min)
1 CT : 1 CT
Min
500
275
30
25
Min
2.2
-
-
-
27
Value
-
-
Nom
10
600
350
Nom
10
20
100
300
350
29-17log(f/10)
-
-
Min
600
350
-10
-75
20
-
-
4
-
-
Max
700
425
Min
Max
Nom
15
2.8
-
-
-
-
-
700
425
@ 10 mV, 10 kHz
-
-
-
-
-
-
-
-
-
-
-
Preliminary
mVppd
mVppd
a
Condition
Unit
Unit
1000
dB
BT
kΩ
+/- 5%
ns
ns
Max
ns
+75
V
V
-
4
-
-
-
Nom
-
-
-
-
-
mVppd
mVppd
Unit
kΩ
ns
µs
µs
%
Max
100
50
1
-
-
Unit
mV
mV
dB
dB
ns
a
a
July 26, 2008