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[AVR] PWM wave generation........

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debajyoty.roy

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hi guys,i have a problem regarding pwm wave generation.i want to generate a 770hz pwm with 10%duty cycle on timer 2(atmega8) ,crystl is 4MHZ.so my TCNT value s 0x5D,and OCR is 0x6D according to my calculation..bt proteus shows generated signal is 200hz.so pls help me finding the problem.thnx...
 

Did you set your timer prescalar correctly? Did you check your compare flags for errors?
 

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