CrazyDog

Thanks, Joe. Problem solved. It was a dumb logical error on my part. In fact when I correct this, and assign both conversion results to e.g. value1, I can increase the sampling rate to 1MHz with no errors.

I'm using the adc .h library in an application requiring high speed 12 bit a/d conversion by interleaving the two A/Ds on a T4 or T4.1 running at 600MHz. The interrupt service is called every 2 microseconds by the timer in the Timer.lib. The bug...