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你好!
数据手册中DP83td510E支持SMI接口,我用自己的单片机可以读写一些寄存器(例如:0x0002,0x0003),但是读取0x0a85时,数据为0000。在USB-2-MDIO程序中,“Extended register” 处于“No”的情况下,数据也为0000.
“Extended register” 处于“Yes”的情况下,可以读出数据,请问下,读取这种寄存器(应该是扩展寄存器)时,如何发送命令,来获得正确数据?
谢谢!
李伟
您好,参考这篇FAQ关于[FAQ] Extended Register Space Access for Ethernet PHYs的帖子看是否对您有所帮助:
另外,类似帖子也可以参考: