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1、!"#$%&'32('4)!"#$%ELECTRONICMEASUREMENTTECHNOLOGY2009*4+?犖犻狅狊Ⅱ??-ào?`a??GHI#JKLMNOPQ(>89%>?=WX>?9@730050)23:>?NiosⅡ?4SOPC%&AyB??qJ/$m4deé#。9:?A?F%&de?q?P*NO,fgNOQb,P*?!A1,?:u。8Pue?R,de{ó4qP*?!D?ejì%4DE2v?D?qJ?¢,4òv=NO4A%?DDJEX?,B{=NO'?¢Qb、qP*?!4'?A1D?yIP?4de4C?0
2、4,μ
3、!4?DB?,?DòvpqEXòó=_34JQVAL>è。456:NiosⅡ;qP*;SOPC,7089:TN957.52:;<=>:A犜犺犲犱犲狊犻犵狀狅犳犺狌犿犪狀犳犪犮犲犾狅犮犪狋犻狅狀狊狔狊狋犲犿犫犪狊犲犱狅狀犖犻狅狊ⅡYangXinhuaZhaoLifengZhouRenweiZongShengqi(SchoolofElectricalandInformationEngineering,LanzhouUniversityofTechnology,Lanzhou730050)犃犫狊狋狉犪犮狋:Itsaho
4、tspottousethetechnologyofSOPCbasedonNiosIIintheareaofdigitalimagingprocess.Thepaperadoptsthetechnologytolocatehumanface,.Intheapplication,itbuildsthehardwaresystem,implementslocationarithmeticandmakestheprogram.Itenhancedinstantaneityandidentifyingratesofthesystem
5、bycustomrizinginstruction,maturehumanfacelocationarithmeticandhighperformancehardware.Thesystemwillprovidefoundationoftheoryandpracticeforperfectfunction,enhancingperformanceandhumanfacerecognition.犓犲狔狑狅狉犱狊:NiosⅡ;Humanfacelocation;SOPC2IC
6、?v4sèY"??ADV7180??60CDMT9
7、P?ê4jksè?ffgB?:",`?SêqEX%&/$1?qJD??ys?cKLóüFIFO>uYfg&?&S@a+。$FIFO+,4é#,b?Dno,B??qJ8y?/jeTI4BOTCP4$o?%,DMA>u¢ò8lL?4DSPì
8、qJ?′。/je8e4DSP??5DMAò。DMA>uN¢ò?B{8lFIFO{4NO,_o!.yz,C?Vé.?43v4%SDRAM7g48lDMAò。?cSDRAM>ug,3NO4x??DT?¨v。9:÷e1!"/Avalon?,DSDRAM+,4Y。Zl2yC?4$ú%&SOPC
9、C?>?NiosII?4qP*FIFOSDRAM7g4DMAò?j?J?h°[1]NO。SOPC%&xG?NiosⅡqJ、+,、I/O??B{=8lsèBO4j?。bj?V?+Y、'?TqJDá84e?UVì?Djê??{,4)g,?죨J¤?SRAMcsèBO,G8Z8YFPGA??·,?b8Yx:í4?RNO。÷e32d¥4è?t1?,ì?pqP*4hRt,*NiosⅡ?qJbFPGARB{C?,?o=NO4§%?ìR?sè?P",`eGMlJPq*?,?,3bPCR?4íexTNiosⅡqJ$?I?+?FLASHc
10、。R。jeNiosⅡqJ4P=R,e'?A1?h?1.1áa?!,òv=BO4qJ@W,=v4A%?。NO'ejì%4DE2?A,FPGA??/AlteraL?$úSS4CycloneⅡN÷4EP2C70。F?1ào?`aJd[2]??p68416YUVe>、896YQ|、80Ye?PqP*NO4?D?<:$j?h°?,=I/OY、150Y§?@?!D4Y¨+?,/8Y??@AB:D??%ê0???(0703B08)·20·F:wxNiosⅡPY'4){WvD?D?4FPGA??。bFPGAcC?pEX?p4TU。
11、Z§,4a??fg}a?è[5]NiosⅡ?qJDCbFNiosⅡNO4Avalon?,4qJ。je@(1)fgc?ao:R4I2C
12、?Yjê、&?&S>uY(FIFO犌(狓,狔)=犕edf(狓-犻,狔-犼),-1≤犻,犼≤1(1)control)、+,>uY(SDRAMcontrol)。DMA>u2