參數(shù)資料
型號: E-110
廠商: LSI Corporation
英文描述: 100BASE-T Fast Ethernet Core(100BASE-T快速以太網(wǎng)處理芯片 Fast Ethernet Core)
中文描述: 100兆- T的快速以太網(wǎng)核心(100兆- T的快速以太網(wǎng)處理芯片快速以太網(wǎng)核心)
文件頁數(shù): 72/130頁
文件大?。?/td> 770K
代理商: E-110
2-40
Signal Descriptions
The PHY must provide a resistive pull-up of 1.5 k
±
5%
to assert the signal.
The MDI and MDO signals are joined into one signal
[MDIO] outside the MIIM core before being connected to
the PHY. The MDOEN signal controls the direction of
data transfer on the MDIO signal and whether the MDI
signal or the MDO signal is active at a particular time.
MDOEN
MIIM Data 3-State Enable
The MDOEN signal is a 3-state driver enable that con-
trols the open-drain MDO output data signal. The MIIM
core asserts MDOEN synchronously to HCLK whenever
the MDO signal contains valid data. The MIIM core deas-
serts MDOEN to indicate that data is not valid.
Output
The MDI and MDO signals are joined into one signal
[MDIO] outside the MIIM core before being connected to
the PHY. The MDOEN signal controls the direction of
data transfer on the MDIO signal and whether the MDI
signal or the MDO signal is active at a particular time.
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