【摘要】 Motorola公司生产的MC68HC908LK24(简称LK24)芯片是一款专用于复费率电能表的芯片。首先,介绍了LK24芯片的内部组成、结构及功能特点;详细介绍了基于LK24芯片的电能表的时钟电路、中断、LCD&LED驱动与A/D转换、低功耗模式等;最后,叙述了设计与开发经验。基于LK24芯片的复费率电能表的产品已投入市场,效果良好。更多还原

【Abstract】 The MC68HC908LK 24 of Motorola is a special chip for multi-rate power meter. Itsinterior components,configuration and functions are introduced. The clock circuity,interruption,LCD & LED drive,A / D conversion and lower power consumption mode of power meter based on LK 24 are detailed. The design and development experiences are depicted. The proposed power meter has put into market and made good effect.更多还原