摘要讨论了基于MCS - 51 系列单片机的低功耗测量系统的设计与实现,给出了一个系统实例及其实测功耗值,用它可以方便地设计智能便携式仪器,具有较好的通用性和实用性。 关键词MCS - 51 单片机低功耗便携式仪器 Abstract The design and implementation of the low power consumption measuring system based on MCS - 51 single chip computer are discussed. A practical example of system and the measured power consumption are given. Intelligent portable instruments will be design easily with this system. It features better practicability and generality. Keywords MCS - 51 Single chip computer Low power consumption Portable instrument