【摘要】 MSP430F449超低功耗单片机具有丰富的内部资源和强大的信号处理能力.将该单片机结合交流采样测量算法可实现交流信号的测量与处理,使设计的电力表具有低功耗、多功能、高精度、可靠性高等特点.更多还原

【Abstract】 MSP430F449 mixed signal microcontroller with low power consumption is rich in internal resources and has strong ability in signal processing. This microcontroller can be used in AC signal measuring and processing when combined with method of AC sampling. The signed wattmeter has the features of low power consumption, multifunctions, high accuracy and reliability. 更多还原