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Hi, does anybody know where I can find information about the ADC Highlimit interupt.(LowLimit/ZeroCorssing resp.) I´m interested in general infromation like: How do I have to Configure the ADC. When does the interrupt occure? Which values are compared with the Limit Registers? .... I want to get an overview what can be done with that feature. Im Using the DSP56F805. And the Codewarrior 5.1 IDE. I already read the DSP-Manual and the 3 Application Notes from Motorola hompage about the ADC. My application is not very clear by now, the only thing to say is, that i want to get some Information out a certain signal. I´am at a very erly state of brainstorming how to tune the signal and which peripherals to use. One Idea e.g. is to give the signal a shape like a PWM with a ramp instead of the rising edge. Then it would be litle bit like the post about measuring the PWM but not with rectangular signal. I am now brainstorming if the Limit-Crossing Interupts can help me. And what is needed to use them.

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