參數(shù)資料
型號: L84302
元件分類: 通用總線功能
英文描述: L84302 Quad 100/10 Mbps 4-Port Ethernet Controller with RMON/SNMP Management Counters technical manual 4/02
中文描述: L84302四100/10 Mbps的4端口以太網(wǎng)的遠程監(jiān)控控制器/ SNMP管理處的技術(shù)手冊,4月2日
文件頁數(shù): 113/128頁
文件大小: 997K
代理商: L84302
Specifications
Copyright 1997-2002 by LSI Logic Corporation. All rights reserved.
113 of 128
April, 2002
5.12 Management Interface (MI) Timing Characteristics
Refer to
Figure 18
for timing diagram.
Figure 18
Management Interface (MI) Timing
Sym.
Parameter
Limit
Unit
Conditions
Min
Typ
Max
t
111
MDC Cycle Time
See MI Command/Status 0
Register Definition Table
40
t
112
t
113
t
114
t
115
t
116
t
117
MDC Duty Cycle
MDC to MDIO Delay
MDIO Setup Time
MDIO Hold Time
MDIO Active to Hi-Z Delay
MDIO Hi-Z to Active Delay
60
50
%
ns
ns
ns
ns
ns
Write bits
Read bits
Read bits
Write-read bit transition
Read-write bit transition
20
0
50
50
MDC
MDIO
(Read)
ST0
1
13
0
ST1
t
113
t
116
14
TA1
TA0
15
16
17
30
31
D15
D14
D0
t
114
t
115
t
117
ST0
REGAD0
ST1
REGAD0
TA1
TA0
D15
D1
D0
t
113
MDIO
(Write)
t
112
t
112
t
111
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