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目前调通了C5517通过I2C向PCM1864读写数据，示波器抓取读写时序异常，读取0x05寄存器默认值为0x86。但是写入0x01 0x40，读取为 0x00 0x00。请问是有什么需要保存吗？还是遗漏了什么操作
之前的现象是写完0x01完后 立刻读取异常。现在已经验证，需要把所有寄存器都正确配置后正常，目前已经可以产生BCLK，LRCK。
寄存器配置是参考tidud37.pdf文档
