Thank you very much for your answer.
I have a plan to use 16channels with 48kHz, Is it possible? And both DSP and AD1937 have own clock master.
AD1937 clock will get from external audio clock generator not from DSP.
I thought that MCLK will be 48*512fs and direct MCLK mode, set sample rate to 48kHz, serial format to TDM single-line modes,and BCLK to 512.
Is there something wrong, please give me your guide.