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                        FPGA到底是什么,以及其开发流程简述
                        来源:互联网 | 作者:中华ic网整理 | 发表于:2015-12-08
                        FPGA是一种器件。其英文名 feild programable gate arry 。很长,但不通俗。通俗来说,是一种功能强大似乎无所不能的器件。通常用于通信、网络、图像处理、工业控制等不同领域的器件。就像ARM、DSP等嵌入式器件一样,成为无数码农码工们情感倾泻而出的代码真正获得生命的地方。

                               FPGA是一种器件。其英文名 feild programable  gate arry 。很长,但不通俗。通俗来说,是一种功能强大似乎无所不能的器件。通常用于通信、网络、图像处理、工业控制等不同领域的器件。就像ARMDSP等嵌入式器件一样,成为无数码农码工们情感倾泻而出的代码真正获得生命的地方。只不过,一样的编程,却是不一样的思想。嵌入式软件人员看到的是C。而FPGA工程师看到是硬件描述语言,verilog或VHDL。软件看到是函数、对象、重构。FPGA工程师则是模块、流水、复用。从现象上看,都是代码到下载程序再到硬件上运行。不能只看现象而忽略本质。

                        快乐赛车网-快乐赛车网址多少       FPGA KAIFABENZHISHANGSHISHEJIYIKEIC,BUSHISUOYOUverilog/VHDLDAIMA,DOUNENGHUODEQINGLAIQULIUPIANCHENGWEIZHENZHENGDEXINPIAN,ERGENGDUODEZECHENGWEIYUNXINGZAIFPGAQIJIANSHANG,CHENGWEIWANCHENGXIANGTONGGONGNENGDETIDAIPIN。QISHIXIANDEGONGNENGQUEYIDIANYEBUXUNSEYUBAIWANSHENJIALIUPIANDEJINQIN。CONGERCHENGWEIDUSHUYIZHIDEXINGYE。

                              FPGAKAIFADELIUCHENG,SHITONGGUOverilog/VHDLDENGYINGJIANMIAOSHUYUYANTONGGUOEDAGONGJUBIANYI、ZONGHE、BUJUBUXIANCHENGWEIXIAZAIWENJIAN,ZUIZHONGJIAZAIDAOFPGAQIJIANZHONGQU,WANCHENGSUOSHIXIANDEGONGNENG。NEIYINGJIANMIAOSHUYUYANMIAOSHUDESHISHENME?ZHEILIMIAOSHUDEJIUSHIZUHELUOJIDIANLUHESHIXULUOJIDIANLU。ZUHELUOJIDIANLUJIUSHIDAJIASUOSHUZHIDE YUMEN、HUOMEN、FEIMEN,SHIXULUOJIDIANLUZESHICHUFAQI。

                              SHUZIXINPIANSHANGJUEDABUFENLUOJIDOUSHIZHEILIANGZHONGLUOJISHIXIANDE。YEJIUSHIJIBENSHANGMEIGEDIANZIXINGYEDERENSUOXUEGUODESHUZIDIANLU。SHUNBIANSHUOYIXIA,GANXIEXIANGNONGDASHI,ZAIQISHUOSHIBIYELUNWEN《JIDIANQIYUKAIGUANDIANLUDEFUHAOFENXI》JIUDIANDINGLESHUZIDIANLUDEDEGENJI。ZHIBUGUOZAIFPGAZHONG,YUHUOFEIDECAOZUOBIANCHENGLECHAZHAOBIAODECAOZUO。YUSHISUOYOUDESHUZIDIANLUBIANCHENGLECHAZHAOBIAOHEJICUNQI,ZHEIJIUGOUCHENGLEFPGADEJICHU。CHAZHAOBIAOFUZELUOJISHIXIAN,JICUNQICUNCHUDIANLUZHUANGTAI。ERZHEPEIHE,SHUANGJIANHEBI,TIANYIWUFENG。ZHEISHIZUICHUDEFPGADECHUXING。

                              XIANDAIFPGANEIBUCHULECHAZHAOBIAOHEJICUNQIZHIWAI,HAIYOURAMKUAI,YONGYUCUNCHUDALIANGDESHUJUKUAI,ZHEISHIYINWEIRAMKUAIJIAOJICUNQILAICUNCHUDALIANGSHUJUGENGNENGJIESHENGXINPIANSHIXIANDEMIANJI。FPGANEIBUDESHIXUDIANLUZEXUYAOSHIZHONGDESHURU,TONGCHANGFPGANEIBUXUYAOSHIZHONGZHONGLEIJIAODUO,YINCIXUYAOZAIPIANNEICHANSHENGSUOXUDEDEXIANGGUANDESHIZHONG,RUBUTONGPINLV,BUTONGXIANGWEIDESHIZHONG,YINCISHIZHONGGUANLIDANYUANDCM/PLLYESHIBIBUKESHAODENEIBUBUJIAN。

                        快乐赛车网-快乐赛车网址多少       CHUCIZHIWAI,FPGANEIBUHAIBAOKUOJIEKOUI/O,I/OFENWEIPUTONGI/OHEGAOSUI/O,GAOSUI/OZHICHILIRUGAOSUDESERDES,YONGYUSHIXIANXAUI,PCIEDENGGAOSUJIEKOU,ZHEIXIEJIEKOUDONGZHEJIGbpsDAO10GbpsYISHANG。CIWAIZHONGLEIDUOZHONGDUOYANGDEYINGHEIPYESHIGEFPGACHANGSHANGCHAYIHUAJINGZHENGLIQI,LIRUPOWERPC、ARMDENGYINGHEIP。CONGERGOUCHENGCPU FPGAYUYITIDEJIKEBIANCHENGXINGHEKEZHONGGOUDECHULIPINGTAI。YINCI,XIANGDUILAISUO,FPGASUIRANFAZHANYOUERSANSHINIANDELISHI,QIJIBENJIAGOUYIZHIBUBIANBUDA。      

                                HUIDAOWENTIKAISHIDEDIFANG,FPGADEYINGWENFANYIGUOLAISHIXIANCHANGKEBIANCHENGMENZHENLIE。ZHEISHIXIANGDUIASICLAISHUODE,ASICDEYINGJIANYEKEKANZUOSHIMENZHENLIE,DANSHIQISHIFEIKEBIANCHENGDEQIJIAN。LIUPIANWANCHENGQIGONGNENGJIUGUHUALE,ERFPGADEKEBIANCHENGXINGJIUZAIQINENGGOUZHONGXINXIAZAIPEIZHIWENJIAN,LAIGAIBIANQINEIZAIDEGONGNENG,ZHEIJIUSHIQIKEBIANCHENGXINGDEYOULAI。CONGQIANDUANKAIFALIUCHENGLAISHUO,FPGAHEASICKAIFABINGWUERZHI。YOUYUASICKAIFAYICIXINGTOURUCHENGBENJIAOGAO,FPGAWUYISHIYIZHONGJINGJIDETIDAIFANGAN,YONGYUSHIXIANDEGAOSUDESHUJUBINGXINGCHULI。RUYEWUNENGGOUZHICHENGDAGUIMOYINGYONGBINGQIEXIEYIGUHUA,ZENENGGOUFENTANCHENGBENDEASICSHIXIANJIUYOUCHENGBENDEYOUSHI。

                               FPGA作为一种器件,技术上主要垄断在少数大公司手中,那就是双巨头ALTERAXILINX快乐赛车网-快乐赛车网址多少。除此之外还有一些份额相对较小的公司,例如ACTEL和LATTICE。不止是FPGA的硬件芯片,其配套的EDA工具技术壁垒更高。因此相对于CPU来说,FPGA的国产化更不乐观,不过已经有国内的厂商来从事这一行业,例如国微和京微雅格等,也在一些细分市场上推出自己的FPGA产品。

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