Answer by Tom Carpenter for AVRISP. How to choose SPI frequency?
First question: You know your board design. If you are using an external clock source (oscillator, crystal, etc.), you know what the frequency is. If you have no external clock source, you know you...
View ArticleAVRISP. How to choose SPI frequency?
Yes, yes, I know that it must be between 1 and 4 clock cycles of a target device. But... We don't know it if clock is provided by internal rc generator or external quartz. So is there any possible way...
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