Networking Silicon — 82551IT
11.4.2.5
PHY Timings
Table 61. 10BASE-T Normal Link Pulse (NLP) Timing Parameters
Symbol
Parameter
Condition
Min
Typ
Max
Units
T56 Tnlp_wid
T57 Tnlp_per
NLP Width
NLP Period
10 Mbps
10 Mbps
100
ns
8
24
ms
Figure 26. 10BASE-T Normal Link Pulse (NLP) Timings
T57
T56
Normal Link Pulse
Table 62. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters
Symbol
Parameter
Min
Typ
Max
Units
T58 Tflp_wid
T59 Tflp_clk_clk
FLP Width (clock/data)
100
125
62.5
ns
µs
µs
Clock Pulse to Clock Pulse Period
111
55.5
17
139
69.5
33
T60 Tflp_clk_dat Clock Pulse to Data Pulse Period
T61 Tflp_bur_num Number of Pulses in one burst
T62 Tflp_bur_wid FLP Burst Width
2
ms
ms
T63 Tflp_bur_per FLP Burst Period
8
24
Figure 27. Auto-Negotiation Fast Link Pulse (FLP) Timings
T59
T60
T58
Fast Link Pulse
Clock Pulse
Data Pulse
T63
Clock Pulse
T62
FLP Bursts
Datasheet
87
INTEL [ INTEL ]
