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thefuture2、微型单片化2mi
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glechip现在常规的单片机普遍都是将中央处理器CPU、随机存取数据存储RAM、只读程序存储器ROM、并行和串行通信接口中断系统、定时电路、时钟电路集成在一块单一的芯片上增强型的单片机集成了如AD转换器、PMW脉宽调制电路、WDT看门狗、有些单片机将LCD液晶驱动电路都集成在单一的芯片上这样单片机包含的单元电路就更多功能就越强大。甚至单片机厂商还可以根据用户的要求量身定做制造出具有自己特色的单片机芯片。此外现在的产品普遍要求体积小、重量轻这就要求单片机除了功能强和功耗低外还要求其体积要小。现在的许多单片机都具有多种封装形式其中
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SMD表面封装越来越受欢迎使得由单片机构成的系统正朝微型化方向发展。Nowtheco
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现在虽然单片机的品种繁多各具特色但仍以80C51为核心的单片机占主流兼容其结构和指令系统的有PHILIPS公司的产品ATMEL公司的产品和中国台湾的Wi
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