单片机试卷1 http://www.ecn999.com/post/129.html </p><p class="post-title">&nbsp</p> + 一、填空题（20分） 1. MCS51系列单片机有:_______________, _______________, _______________等3种基本类型, 其区别在于:__________________________________________________________________________________________. 2. 8051存储器空间包括：_______________________, ________________________, ______________________, _______________________, ______________________ 3.按模块划分,单片机硬件结构主要包括: _________________________, ______________________, _______________________, _____________________. 4.ADC选择要点是：____________________, ____________________________, _________________________, ______________________________, DAC选择要点是：___________________, _______________________, ___________________,   _________  

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