AVR-Chat

David VanHorn wrote:
> On Mon, Mar 9, 2009 at 5:38 PM, John Samperi
> <samperi@ampertronics.com.au> wrote:
>   
>> At 07:59 AM 10/03/2009, you wrote:
>>     
>>> #define UBRRVAL (((F_CPU/(USART_BAUDRATE*4UL)))) // using the double baud flag
>>>       
>>> May want to try *8UL instead of *4UL for double speed. (usually *16)
>>>       
>> I know you would NEVER have overlooked that in ASM.  ;-)
>>     
>
> The problem is that the equation I quoted IS giving me the right baud.
> I don't know why..
>
>   
    Does the clock prescaler is correctly programmed?

    Mark Jordan