I'm having trouble finding a few bits of information here: I'm working on a project where I want to use the Duemilanove to program a 328 which will be then taken out of the Arduino and used on a pcb. 1: Does the chip have its own onboard oscillator?? or am I gonna need a 20MHz crystal on my PCB? …

AtMega328 basics

system February 5, 2011, 11:46pm 4

wow, thanks! that was super quick!
awesome, diode cct (circuit) protection provided!!!
hmmm... so I think I will need a crystal, thank you very much

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