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介绍了一种基于80C196单片机的A/D转换硬件电路和软件实现,利用80C196自带的10位A/D转换器和PWM输出及简单外围电路,实现了高精度、高速A/D转换。该方法同时具有成本低、实用性强等特点。
A 80C196 based on the A / D converter hardware circuit and software implementation, the use of 80C196 comes with 10-bit A / D converter and PWM output and simple peripheral circuits to achieve high-precision, high-speed A / D conversion. The method has the characteristics of low cost and high practicability at the same time.