8 bit timer counter2 with pwm
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8-bit Timer/Counter2 with PWM . <p. 144>. Features. • Single Channel Counter • Clear Timer on Compare Match (Auto Reload) • Phase Correct Pulse width Modulator (PWM) • Frequency Generator • External Event Counter • 10-bit Clock Prescaler

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Features l.jpg
Features

•Single Channel Counter

• Clear Timer on Compare Match (Auto Reload)

• Phase Correct Pulse width Modulator (PWM)

• Frequency Generator

•External Event Counter

• 10-bit Clock Prescaler

• Overflow and Compare Match Interrupt Sources (TOV2 and OCF2)

•Asynchronous operation is not supported



Overview l.jpg
Overview

  • Output Compare Modulator (OCM) generates waveforms modulated with a carrier frequency.

  • OCM uses the outputs from the Output Compare Unit C (OC1C on p.110) of the 16-bit Timer/Counter1 and the Output Compare Unit of the 8-bit Timer/ Counter2 (OC2 on p.144)

  • When both OC1C and OC2 are enabled at the same time, the modulator is automatically enabled

  • When the modulator is enabled, the two output compare channels are modulated together


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[Ex] Timer/Counter2 provides the carrier, while the modulating signal is generated by the Output Compare unit C of the Timer/Counter1

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