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lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg

lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg

lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg

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thcsc clus.6 ae Eqund b ihplmsr och circuir. Sincc rhe size ofal,tecmcnr<br />

ptublcm k prcpo<strong>di</strong>oMlb the numbfl oflosic ctusrem rh.r o circuil is mapped b, rhis<br />

dmmarioll,r.ducplac.mdtrim.. In FiSuE4.ll. f<strong>or</strong>.x.mptcon qwrharrh.<br />

placcm..r rim. is Edu@d by I adl<strong>or</strong> of 3.3 lims 6 th. clusEr size ift@.s arom I<br />

ro 20 Larser logic cluslcu al$ Educe rh. oulins rime. This is the rcsux of60r<br />

.onnections using rh. ldal clusc. o<strong>or</strong>ins, with fi. eflcr rhat fi€ our& hs tcw.r<br />

89<br />

. F<strong>or</strong> .Mplq usina 3 siz. 20 logic cluis rcdlA<br />

outing timcby 2.7tihcsvs. usinga sid I olusler. suit<strong>di</strong>ngan FPGA wirhasiz.20<br />

logic clus|el reduces th.l<strong>or</strong>alCPU rime quidt lbl pteem.nh.d @urins by ? tim.s<br />

d.7 SUMMARY<br />

In thb .hapter we inv.srig.rc rhe sp.cd ind a@{fiicicncy oa FPcAs .mpl<strong>or</strong>ing<br />

logic clusc6 6 fi€n bgic blet- W. e p6nicuhny im.Eskd in rhc e<strong>rl</strong>cr ft<strong>lt</strong><br />

clustcr sizc h6 on FPCA speed and dcnsitt, To €valuarc thc sp.ed @d area ofon<br />

FPCA.mplotins losic clusrm a<strong>or</strong> its logic blocls. ee munch@e n<strong>or</strong> onlylh.losic<br />

bl*k ardndtuR bul al$ ! lsins dhirdluc. tmin<strong>or</strong> siai ed thc fl<strong>di</strong>bilily<br />

ofthc logic blekro outinE interface.<br />

ln the sxon 4.1 we <strong>di</strong>$u$ fie lEdc-ofis involved in $lccting the DmDs clune.<br />

riz. lbr a clusrcFba*d FPCA- Sarion 4.2 cxpLins how w. nod.l rhe a@ and sF.d<br />

of va ous FPCA <strong>or</strong>chitccruEs. seclion4,3 dcscrib.s various architecluml p&amete6<br />

rhat dcfin. the FPCAS usd in our exp.inens. section 4.4 d.scribes the rEa-dclay<br />

poduct rhlr rc ue to.v.luare rhe qualiry of <strong>di</strong>lT.Ent FPGA.cfiik(uE. S4tions<br />

4.5 and 4.6 wc cxpl<strong>or</strong>c kcy !rchircc{umlqu.iiotrs coNcming how circuir rpccd, uM<br />

FPCA neo'efllciency a!..ffaned bythcsia ofrh€ logic clusrcrused.

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