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叙述了基于过采样技术,使用软件方法提高单片机片内A/D分辨率的基本原理及实现方法。给出了一个实现示例,将C8051F040片内12位分辨率ADC提高到16位分辨率。
Describes the basic principle and implementation method of improving on-chip A / D resolution based on oversampling technology and software method. An implementation example is given to increase the C8051F040 on-chip 12-bit resolution ADC to 16-bit resolution.