Motorola单片机及其在电能表中应用  

Motorola SCM and its application in power meter

作　　者：杜琼 周一届 

机构地区：[1]江南大学FREESCALE驻中国电能表实验室,江苏无锡214063

出　　处：《电力自动化设备》2005年第2期76-79,共4页Electric Power Automation Equipment

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。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.

关 键 词：电磁兼容 计量 电能表 LK24芯片 

分 类 号：TN47[电子电信—微电子学与固体电子学] TM933[电气工程—电力电子与电力传动]