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DP83TC811R-Q1 PHY芯片如何驱动?

Other Parts Discussed in Thread: DP83TC811R-Q1, DP83TC811EVM

DP83TC811R-Q1 PHY芯片

操作描述:

1、使用MII接口

2、上电后仅对BMCR和BMSR寄存器进行操作。BMCR寄存器仅操作软件复位。

现象描述

PHY芯片无法被驱动,数据无法发出。

疑问:

1、该芯片启动后寄存器如何配置?

2、电路图是否有问题?下面贴图