My hardware platform is MX6DL, through the I2S connect SGTL5000, the problem is as long as the oscilloscope probe connect the I2S TXC line, the sound immediately have a lot of noise. If the oscilloscope probe disconnected from txc, and sometimes can return to normal, and sometimes can not return to normal. I also test that connect 0 ohm, 22 ohm, 50 ohm, 100 ohm between MX6DL 's TXC and SGTL5000' s TXC，all are no effect.
Please help , thanks!
Note: The oscilloscope probe is only connected to TXC pin,not connected to TXD pin. But TXC pin waveform is good, TXD pin waveform is not good.