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现在我设置PHY_NUM mask 是0x1f ，PHY_BMCR =0x7100,但是连寄存器都写不进了，读出来及是0x6100，自动协商的根本，没写进去；输出的TX 、 RX的脚上移植1.8v高电平；有点崩溃了。。请知道的大侠指点下！！！
你好，
请问你使用的主芯片是哪一款？
DM368
谢谢，已经解决，是硬件焊接出了问题；谢谢您的关注；
