5 phy timings – Intel GD82559ER User Manual

Page 88

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GD82559ER — Networking Silicon

82

Datasheet

10.4.2.5

PHY Timings

Figure 30. EEPROM Timings

E E C S

F L A 1 5 E E S K

F L A 1 3 E E D I

T 5 1

T 5 2

T 5 4

T 5 3

Table 28. 10BASE-T NLP Timing Parameters

Symbol

Parameter

Condition

Min

Typ

Max

Units

T56

T

nlp_wid

NLP Width

10 Mbps

100

ns

T57

T

nlp_per

NLP Period

10 Mbps

8

24

ms

Figure 31. 10BASE-T NLP Timings

Normal Link Pulse

T 5 7

T 5 6

Table 29. Auto-Negotiation FLP Timing Parameters

Symbol

Parameter

Min

Typ

Max

Units

T58

T

flp_wid

FLP Width (clock/data)

100

ns

T59

T

flp_clk_clk

Clock Pulse to Clock Pulse Period

111

125

139

µ

s

T60

T

flp_clk_dat

Clock Pulse to Data Pulse Period

55.5

62.5

69.5

µ

s

T61

T

flp_bur_num

Number of Pulses in one burst

17

33

T62

T

flp_bur_wid

FLP Burst Width

2

ms

T63

T

flp_bur_per

FLP Burst Period

8

24

ms

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