If you are installing from the blue disc, you shouldn't have any problems.
But remember to right-click the install program and "Run As Administrator".
If you are installing from an older Black and White disc, there are a few extra steps to follow.
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Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?
Board layout is very critical around the Xtal. Datasheet recommendations should be taken very seriously into account.
Ioannis - 25th June 2019, 19:32Also load capacitance. The circuit inside the chip is designed with low power...