bartman,

Well, it's almost that easy. But, the circuit still has to be designed to not interfere with the ICSP signals. In the third picture, behind the clip, you can almost see a 3 position dip switch. With all switches open, the ICSP pins are disconnected from the rest of the circuit. Then during normal operation, the switches serve as Mode Select inputs.

That's just one way, though. You can do it without switches, as long as there are good sized resistors inbetween the pins and the rest of the circuit, and not much capacitance.



bbarney,

Good question ...

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