This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UCD9244+UCD7242 problem

Hi all

I used 4  chips 9244 and 8 chips 7242 for 8 chips  DSP6678 on my board. Each 9244 and 2 chips 7244 supply 1 chip DSP6678 CVDD and  VCC1V0, and I got some problems.

Each 9244 only have some rails right, and the output voltage of the other rails is zero, eg:  only the first rail of  one 9244 is right  and the other 3 rails output  voltage are zero. All the 9244 have the similar condition. And  I found  if I  adjust the frequency from 799kHz to 500kHz the 4th rail turns right, but the 2nd and 3rd stays zero.

The configuration files I have used before , and the 9244 on that board works well. I have changed the 7242 and 9244  on this board, but it dosen't work.1323.XH_9244_Config.xml

This problem has troubled me for almost a month , I dont known what to do. I hope some one can help me, and I will be very appreciated.