參數(shù)資料
型號(hào): LAN8700
廠商: SMSC Corporation
英文描述: 【15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR TM in a Small Footprint
中文描述: 【15kV的ESD保護(hù)信息產(chǎn)業(yè)部/ RMII快速的HP Auto - MDIX功能和SMSC flexPWR商標(biāo)以太網(wǎng)PHY在小尺寸
文件頁數(shù): 33/73頁
文件大小: 457K
代理商: LAN8700
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR
TM
in a Small Footprint
Datasheet
SMSC LAN8700/LAN8700I
33
Revision 1.0 (02-09-07)
DATASHEET
Figure 4.6 MDIO Timing and Frame Structure - READ Cycle
Figure 4.7 MDIO Timing and Frame Structure - WRITE Cycle
MDC
MDI0
Read Cycle
...
...
32 1's
0
1
1
0
A4
A3
A2
A1
A0
R4
R3
R2
R1
R0
D1
D15
D14
D0
Preamble
Start of
Frame
OP
Code
PHY Address
Register Address
Turn
Around
Data
Data From Phy
Data To Phy
MDC
MDIO
...
32 1's
0
1
1
0
A4
A3
A2
A1
A0
R4
R3
R2
R1
R0
Write Cycle
D15
D14
D1
D0
...
Data
Preamble
Start of
Frame
OP
Code
PHY Address
Register Address
Turn
Around
Data To Phy
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