Jiang Lijie

Why the PIXCLK frequency is not consistant ?

Discussion created by Jiang Lijie on Mar 21, 2012
Latest reply on Mar 22, 2012 by Jiang Lijie


I am using iMX51 connected a WVGA LCD.

I measured the PIXCLK frequency and it is a variant waveform. It means that the high time on the clock pulse varies in a scope. As we know that Pixel clock frequency is directly related with the frame refresh rate. But I don't know why?