根据电能表的功能和误差精度的需求，我们选用了ST公司STM32的增强型系列STM32F103xx，最高工作频率为72MHz。在程序设计上除了完成快速数据处理工作以外，还针对系统非线性失真进行了修正和补偿-According to the energy meter function and the needs of the error accuracy, we chose the ST companies, the STM32 Performance line STM32F107xx, the m

stm32 microcontroller multiple PWM waveform output can be programmed frequency, duty cycle, etc.

STM32 产生频率，占空比可调的PWM波-STM32 generate adjustable frequency, duty cycle adjustable PWM wave