Question: Based on the AVR code given below, answer the questions that follows: // Problem! #define F_CPU 8000000UL #include #include int time_cntr=0; int main { TCCRO-Ox03;

Based on the AVR code given below, answer the questions that

Based on the AVR code given below, answer the questions that follows: // Problem! #define F_CPU 8000000UL #include #include int time_cntr=0; int main { TCCRO-Ox03; TCNTO=0x00; DDRB=0xFF; while (1); ISR (TIMERO_OVF_vect) { TCNTO - 6; if (time_cntr++ 500) PORTB-PORTB^0x10; time_cntr=0; } 1. What is the prescalar value and, as a result of this value, what clock signal (specify in Hz) gets applied to Timero? [5 points) 2. After how many seconds the Timer O interrupt occurs? Explain your answer. [5 points) 3. What is the frequency of waveform generated at Port B pin 42 Show calculations. [10 points) 4. Achieve the same task (by re-writing the program) by using the polling method. [15 points)

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