Playing with a 68HC12

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Uploaded by on Jul 18, 2008

Lab assignment. Create music using interrupts on a 68HC12 microprocessor.

A Whole New World.

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Education

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  • Basically what I did was to use Output Compare and RTI (both interrupts, RTI to determine length of sound and OC to determine frequency) to generate sound at certain frequencies with a piezo speaker connected to the output of the pin used for OC.

    Once sound is produced at certain frequencies then all you need to know is what frequency produces what sound and then reading a music sheet match it to produce a song.

  • I don't know how to answer, hehe.

    I mean I guess it depends on how deep is your knowledge about the 68HC12 or microprocessors in general.

  • Hey, that's nice. How did you produce the sound?

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