Once there has any Clock error occurs (Clock Halt, SCLK/LRCLK Ratio Error, Pll unlock, FS error) , Register 0x37 and Register 0x39 monitor these errors and real-time report with details, device will enter into Hi-Z mode. Clock Fault reported in Register 0x71 in Book0/Page0. Once the clock error been removed, device will come back to play mode automatically. But this bit still keeps 1 unless clear it by Register 0x78 in Book0/Page0 manually.