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| LAN83C183 Datasheet, PDF (101/113 Pages) SMSC Corporation – FAST ETHERNET PHYSICAL LAYER DEVICE | |||
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Table 5.12 Link Pulse Timing (Cont.)
Limit
Sym
Parameter
Min
t76
FLP Receive Link Pulses 17
Required To Detect Valid
FLP Burst
t77
FLP Receive Link Pulse
5
Burst Minimum Period
Required For Detection
t78
FLP Receive Link Pulse
50
Burst Maximum Period
Required For Detection
t79
FLP Receive Link Pulses 3
Bursts Required To Detect
AutoNegotiation Capability
t80
FLP Receive Acknowledge 1200
Fail Period
t81
FLP Transmit Renegotiate 1200
Link Fail Period
t82
NLP Receive Link Pulse
750
Maximum Period Required
For Detection After FLP
Negotiation Has Completed
Typ
3
Max
17
Unit
Link
Pulses
Condition
7
ms
nlp_test_min_timer
150
ms
nlp_test_max_
timer
3
Link
Pulse
1500 ms
1500 ms
break_link_timer
1000 ms
link_fail_inhibit_
timer
Figure 5.15 NLP Link Pulse Timing
TPO+/â
a. Transmit NLP
t61
t62
b. Receive NLP
TPI+/â
t63
t64
t65
t66
PLEDn
SMSC DS â LAN83C183
101
Rev. 12/14/2000
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