參數資料
型號： LAN8187-JT
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 微控制器/微處理器
英文描述： High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
中文描述： 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數： 33/66頁
文件大?。?/td> 545K
代理商： LAN8187-JT
High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
Datasheet
SMSC LAN8187/LAN8187I
33
Revision 0.6 (02-24-06)
DATASHEET
The timing relationships of the MDIO signals are further described in
Section 6.1, "Serial Management
Interface (SMI) Timing," on page 53
.
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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