基于單片機(jī)的溫濕度控制系統(tǒng)英文文獻(xiàn)-展示頁(yè)
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【正文】 ce is required, a crystal must be used to ensure the maximum clock frequency is approached but not exceeded. Many clock circuits also work with a resistor and capacitor as lowcost timing ponents or can be driven from an external source. This latter arrangement is useful is external synchronization of the microputer is required. 22. 外文資料翻譯譯文單片機(jī)基礎(chǔ)單片機(jī)是電腦和集成電路發(fā)展的巔峰，有據(jù)可查的是他們也是20世紀(jì)最有意義的兩大發(fā)明。These devices are naturally more expensive than equivalent ROM device, but do provide plete circuit equivalents. EPROM based devices are also extremely attractive for lowvolume applications where they provide the advantages of a singlechip device, in terms of onchip I/O, etc. ,with the convenience of flexible user programmability.Random access memory (RAM). RAM is for the storage of working variables and data used during program execution. The size of this memory varies with device type but it has the same characteristic width (4,8,16 bits etc.) as the processor ,Special function registers, such as stack pointer or timer register are often logically incorporated into the RAM area. It is also mon in Hard type microputers to treat the RAM area as a collection of register。piggyback39。英文文獻(xiàn)翻譯學(xué) 生 姓名劉學(xué)毅專(zhuān) 業(yè)自動(dòng)化學(xué) 號(hào)0833141分 院電子工程分院2012年 6 月1. 外文原文 A: Fundamentals of Singlechip Microputer The singlechip microputer is the culmination of both the development of the digital puter and the integrated circuit arguably the tow most significant inventions of the 20th century These tow types of architecture are found in singlechip microputer. Some employ the split program/data memory of the Harvard architecture, o
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