AT89S51 controls MCU, and key information is collected for different function output. Standard output 1K sine wave, 1K square wave, 1K triangle wave and 1K sawtooth wave. The frequency of sine wave, Fang Bo, triangle wave and sawtooth wave can be adjusted based on it. The principle of signal frequency control value: because the time of DAC data transformation is determined by the characteristics of the chip itself, the conversion frequency is controlled in the design. And convert the number of points to achieve the control of signal frequency.

Filename	Size	Update
代码.docx	27339	2017-11-22

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