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Blue Bridge Cup_ Single chip microcomputer_ PWM output
2022-07-06 09:12:00 【Ajie sends code online】
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Catalog
PWM Output
Conclusion of the examination
- PWM The pattern is Through ordinary pins and timers The cooperation between the two is realized
- First Determine the timer according to the frequency The timing size that should be selected , For example 1khz, With the duty cycle ,1ms Your timer won't work . need 0.1ms( namely 100us) Can only be .
- adopt A number , from 0-9 change , The comparison value of the duty cycle is smaller than this value ( Not less than or equal to ) Words , Output a high level , Bigger than it , Output a low level .
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