This example configures Timer1/Counter1 normal mode and toggling PB1/OC1A pin when compare match.
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/* Set PB1/OC1A pin output direction */
DDR1B |= 0x02;
/* Configure TC1 normal mode, toggling OC1A pin when compare match */
TCCR1A = 0x40;
TCCR1B = 0x01;
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