> has anybody ever used the ADC to drive a button? > > Now we are going to use 4 ADC ports to connect them with buttons. > Has anybody got an Example? You might try looking at the FAQ's regarding the DSP56800's ADC unit for ideas. Simply goto: http://e-www.motorola.com/cgi-bin/faq.cgi Simply select DSP56800 under the 16-bit path DSP's and then do a search for the category "A/D Converter Module". The FAQ's contain several examples of using the ADC in its different modes. That might help, Ron -- TOP PICK HandHeld Computing - issue 4.5 "The best overall development tool for the Palm OS" Metrowerks, maker of CodeWarrior - "Software Starts Here" Ron Liechty - - http://www.metrowerks.com |