What baudrate are you using? What is the code you use for initializing UBRRH and UBRRL?

Looks like maybe you are using a high error baudrate with your clock....

Hugo

jack wrote:
Hi All,

I am trying to run USART on ATTiny2313 at 12MHz but am seeing junk values in between at random. Sometimes some chars in the buffer are also skipped. It's seen more often when i am transmitting anything from SRAM rather than FLASH.


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