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一本关于FPGA详细介绍的图书

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					 	- 四种常用FPGA/CPLD设计思想与技巧
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				<strong>关于什么是FPGA？</strong>
				<br>
				FPGA(Field Programmable Gate Array)即现场可编程门阵列，它是在PAL、GAL、EPLD等可编程器件的基础上进一步发展的产物。它是作为专用集成电路(ASIC)领域中的一种半定制电路而出现的，既解决了定制电路的不足，又克服了原有可编程器件门电路数有限的缺点。FPGA的使用非常灵活，同一片FPGA通过不同的编程数据可以产生不同的电路功能。FPGA在通信、数据处理、网络、仪器、<a href="http://www.ed-china.com/SEARCH/ART/%B9%A4%D2%B5%BF%D8%D6%C6.HTM" target="_blank">工业控制</a>、军事和航空航天等众多领域得到了广泛应用。随着功耗和成本的进一步降低，FPGA还将进入更多的应用领域。
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				<strong>什么是CPLD？</strong>
				<br>
				CPLD（Complex Programmable Logic Device）是Complex PLD的简称,一种较PLD为复杂的逻辑元件。CPLD是一种用户根据各自需要而自行构造逻辑功能的数字集成电路。其基本设计方法是借助集成开发软件平台，用原理图、硬件描述语言等方法，生成相应的目标文件，通过下载电缆（“在系统”编程）将代码传送到目标芯片中，实现设计的数字系统。
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