PCM1821EVM: SDOUT output of PCM1821 is not working

Hello,

I'm testing the PCM1821 using PCM1821EVM.

But SDOUT of I2S signal is not working properly.

I have confirmed the signals for BCLK and FSYNC that are working.

Following is my setting value.

1. FMT=L (I2S mode)

2. MSZ=H (Master mode)

3. MD1=8MHz sin wave input by function generator

4. MD0=L (256xfs selected)

Signal output frequency of I2S

1. MCLK Input = 8MHz

2. BCLK output = ~2MHz

3. FSYNC output = ~31.2kHz

4. SDOUT output = NOT WORKING (When changing the MCLK frequency, I could rarely check the output of SDOUT at Low frequency(~ 1kHz?). However, the SDOUT signal was not continuously output)

Please let me know what I'm missing or problem is.

Thanks in advance!

Bruce