Posted on May 17, 2011 at 12:05Hi, are you using 5V signals on port 1 as well? If yes, this may be your problem. Furthermore you could send the CPU core in suspend while running a ADC cycle. This will help you to decrease noise. Regards, Stefan
Posted on May 17, 2011 at 12:05Hi, I have recently downloaded uPSD33xx datasheet V4.0. I have just finished a design based on the previous datasheet and I stumbled over important changes in specification although they are NOT mentioned in the revisi...
Posted on May 17, 2011 at 12:03Hi, AVref maximum is 3.6V! So you cannot use a higher voltage reference! You have to scale down your input voltage to a range that will not damage the MCU. Regards, Stefan