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Kanda - Frequently Asked Questions


Here is the answer to the frequently asked question.





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Handheld Programmers
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Simple to load and use, standalone battery powered Handheld Programmers for AVR, PIC and Serial EEPROM


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Question:

My AVR is running very slowly, and UART transmission gives strange characters. Why?



Answer:
AVR devices come with Internal RC set as clock source by default. The speed varies from 0.5-4MHz depending on which AVR device it is. To get the AVR to run from a crystal on the board, you need to change Clock Source fuses (CLKSEL) to External crystal. You may also need to switch off Clock divide by 8 fuse (CLKDIV8).










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