參數(shù)資料
型號: LXT974QC
英文描述: LAN Transceiver
中文描述: 網(wǎng)絡收發(fā)器
文件頁數(shù): 55/68頁
文件大?。?/td> 1177K
代理商: LXT974QC
Low-Power Octal PHY
LXT9784
Datasheet
55
Table 34. MII Management Interface Timing Parameters
Parameter
Symbol
Min
Typ
Max
Units
Condition
MDIO setup time to MDC rising edge
T3
10
ns
MDIO hold time from MDC rising edge
T4
10
ns
MDIO valid from MDC rising edge
T5
0
200
ns
Figure 18. Normal Link Pulse Timings
Table 35. 10BASE-T Normal Link Pulse (NLP) Timing Parameters
Parameter
Symbol
Min
Typ
Max
Units
Condition
NLP width
T6
100
ns
10 Mbps
NLP Period
T7
8
16
24
ms
10 Mbps
Figure 19. Fast Link Pulse Timings
Table 36. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters
Parameter
Symbol
Min
Typ
Max
Units
Condition
FLP width (clock/data)
T8
100
ns
Clock pulse to clock pulse period
T9
111
125
139
μ
s
Clock pulse to Data pulse period
T10
55.5
62.5
69.5
μ
s
Normal Link Pulse
T7
T6
Fast Link Pulse
T10
T8
T9
Clock Pulse
Data Pulse
Clock Pulse
FLP Bursts
T12
T13
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