參數(shù)資料
型號: AM79C989JC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: Quad Ethernet Switching Transceiver (QuEST⑩)
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 33/37頁
文件大?。?/td> 198K
代理商: AM79C989JC
Am79C989
33
P R E L I M I N A R Y
Management Interface
Figure 3.
Management Interface Timing Diagram
MDIO
Write to Quest Device
Read from Quest Device
10
12
13
14
16
17
18
11
MDC
21173B-7
No.
Symbol
Parameter Description
Min
Max
Unit
10
t
MII0
MDC Clock Period.
50
ns
11
t
MII1
MDC high pulse.
20
ns
12
t
MII2
MDC low pulse.
20
ns
13
t
MII3
MDIO setup to rising edge of MDC.
10
ns
14
t
MII4
MDIO hold from rising edge of MDC.
5
ns
16
t
MII6
MDIO enable from rising edge of MDC.
0
20
ns
17
t
MII7
MDIO valid from rising edge of MDC.
0
20
ns
18
t
MII8
MDIO TRI-STATE delay from rising edge of MDC.
0
20
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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