The use of single-chip production music player curriculum design report. As a single-chip hardware resources an important one, using the timer can generate a variety of fixed-frequency square-wave signal, it can generate, including Do , Re , Me - such as scale, including the voices of various frequencies. In this design we have adopted a 12MHz crystal, resulting in the frequency signal that the music signal from the mouth P3.7 output signal amplified by the horn sounds.

单片机课程设计报告.doc

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