fpga cơ bản - Điện tử việt nam

FPGA c bn - in t Vit Nam

http://www.dientuvietnam.net/forums/forum/vi-in-t-thit-k-pht-trin-v-ng-dng/gal-pal-cpld-fpga/13410-fpga-c-bn[29/06/2015 1:29:41 SA]

Ch mi

Bi vit trong ngy

Thnh vin trc tuyn

nh du c

Danh sch thnh vin

Tm mua linh kin

Nu y l ln u tin n vi in T Vit Nam, bn c th c phn Hi p bng cch nhn vo lin kt. C th bn cnng k trc khi c th gi bi . bt u xem bi vit, chn din n bn mun thm di y.

Trang ch Din n Vi in T: Thit k, Pht trin v ng dng GAL - PAL - CPLD - FPGA

FPGA c bn

conghuu196

Hm qua, 20:37

daominhchien

hm nay, 00:05

duong_act

Hm qua, 23:43

lowpass

Hm qua, 23:37

daominhchien

Hm qua, 23:35

Xin tr gip v LCD sam sung LA40D

Cc s huynh cho em mi nhn con LC

Tr li cho Xin tr gip v LCD sam s

Ton mn hnh khng c ch no nh

Tr li cho Xin hi MBA ny lm m h

B v cch in i. Chp 4 si hoc 5 s

Tr li cho Li Lioa 4k di 40-250 v

Kim tra 6 trans ca mch cu H nh. T

Tr li cho C cc Adaptor 5V mun t

Gim dng thi cho n i qua 1 in tr k

Bi vit mi nht

ng k hoc ng nhpTrang of 3

0Thch Chia s 0



n0ria

Hm qua, 23:09

n0ria

Hm qua, 23:07

elecpro

Hm qua, 22:48

Hung01259

Hm qua, 22:46

lavy1110

Hm qua, 22:44

Xem ton b


C cch no gim dng hay ch n p c


Em TB nh, bc no TB mun lm c

Tr li cho s mch ups santak

tin th ng cho cc bc tm hiu xem

Tr li cho Mch nhy theo nhc dn

Bn tm u ra th ang cn em n m

thm post TIN TC

minh nghi nn thm post TIN TC CNTT

This is a sticky topic.

BI VIT HOT NG GN Y

vqsktdtThnh vin chnh

thc

Tham gia: Nov 2005Bi vit: 37

Bi vit ny ch a ra nhng khi nim tht s n gin v chip kh trnh FPGA.T trc, ta ch lm quen vi cc IC vi iu khin cng. Khi nim cng tc l, bn c sn nn phncng ca IC (chng hn, b nh, thanh ghi, cng IO...), v bn vit m lp trnh cho n. Phn m bn thayi cho IC, ch l phn mm. iu ny c hn ch l, ko c s linh hot khi bn phi thay i ng dng. Nhng khi bn mun ch to 1 IC mi, chi ph ch to rt ln, ng thi vic thit k gp nhiu kh khn vthng c thc hin cc phng th nghim ln.ASIC ra i, cho php cc mch IC c th c ch to ngay ti cc c s ng dng. ASIC l mt vi mchc thit k dnh cho mt ng dng c bit. ASIC s dng cc cng c thit k t ng to sn cckhi mch phn cng (b nh, li vi x l, cc giao tip ngoi...). Ty thuc yu cu ca tng ng dng mcc khi ny c thm vo IC. y l qu trnh thc hin IC mc thit k, logic v vt l. Thit k logics m t IC trn c s quan h logic ca tt c cc khi, cc thnh phn trong IC. Ngn ng c dng lngn ng m t phn cng HDL, gm VHDL, v Verilog HDL, gn y l s ra i ca System C. Thit kvt l lin quan n sp xp cc ng kt ni vt l gia cc khi, cc n v trong khi, ngun...Sau khi thc hin IC mc thit k, cc thit k ny s c ch to to thnh sn phm hon chnh.

FPGA l mt loi ASIC, ra i sau nhng pht trin rt nhanh chng. FPGA k tha kh nhiu tnh nng ca ASIC nh, kh nng thit k phn cng bng ngn ng... Tuy nhin,c khc bit ln nht l, vi FPGA khng cn phi ch to IC ging nh ASIC. C th ni, FPGA l giiphp trung gian gia IC vi iu khin v ASIC. V cu to, hy hnh dung, phn cng FPGA c ch totrc, nhng ch l tp hp rt nhiu cc cng logic. Kt ni gia cc cng logic ny l mm, tc kh trnh.Khi bn vit m t phn cng dng ngn ng HDL, phn mm bin dch ca hng s chuyn file HDL thnhdng nh gm cc khi logic v kt ni, ri np vo IC. Chi tit hn, ta s xt trong phn sau.

#1FPGA c bn30-04-2008, 22:56



Stuck

Tags: fpga


thc


Cu trc FPGA tng qut

FPGA gm 1 dy cc phn t ri rc c th c kt ni vi nhau theo mt cch chung, cc kt ni giacc phn t c th lp trnh c. FPGA c gii thiu ln u tin bi cng ty Xilinx nm 1985. K t ,c nhiu loi FPGA c nhiu cng ty pht trin: Actel, Altera, Plessey, Plus Logic, AMD, Quick logic...Hnh v trn m t m hnh l thuyt ca 1 FPGA. N gm mt dy hai chiu cc khi logic (logic block) cth c kt ni bng cc ngun kt ni chung. Cc ngun kt ni gm cc on dy ni (segment) c thc chiu di khc nhau. Bn trong cc kt ni l cc chuyn mch lp trnh c dng ni cc khi logicvi cc on dy, hoc ni gia cc on dy vi nhau. Mch logic c ci t trong FPGA bng cch nhx logic vo cc khi logic ring r v sau , ni cc logic block cn thit qua cc chuyn mch.

Attached Files

cautrucFPGA.gif (9.7 KB, 1 view)

#230-04-2008, 23:01


thc


Quy trnh thit k FPGA

Quy trnh thit k FPGA

#301-05-2008, 00:50


thc


Ti liu ASIC

Ti liu tham kho v ASIC, do ti su tm c. Ti liu kh hay.

Last edited by vqsktdt; 01-05-2008, 15:55.

#401-05-2008, 00:53




thc


To chip FPGA

"thit k" chip FPGA mong mun:1. Thit k phn cng, dng cc ngn ng HDL.2. Trn nn phn cng ny, vit phn mm chy ging nh vit phn mm cho cc IC vi iu khin thngthng. Vi mi hng ch to FPGA s a ra h tr nn phn mm khc nhau, c th l C, hay gn gingC.

V d, vi hng Altera, h dng Quartus h tr thit k phn cng. C th vit m t phn cng t ngnng HDL hay chn cc IP core c sn to nn IC cng vi cc thnh phn mong mun. B x l, bnh, giao din, cc giao tip vo/ra...u tn ti di dng cc thnh phn logic thit k sn (gi l IP). Saukhi la chn cc IP ny, c th vit thm cc thnh phn cha c (IP t to), Quartus s t ng chuynchng thnh dng file nh (qua cc bc thit k cp n bn trn, nh: Synthesis, Place, route...) rinp vo IC c nn phn cng. Lc ny, ta c 1 IC vi iu khin. Trn nn phn cng ny, dng Nios IDE vit D n chng trnh phn mm. Mt Chng trnh gm thvin (Lybrary) v ng dng (application). Th vin s khai bo sn cc hm thng dng, cn ng dng sdng cc hm ny v ngn ng C/C++ thc hin bi ton ra. D n phn mm s c np vo bnh.

#501-05-2008, 16:24

h4_vnThnh vin mi


cho anh vqsktdt v c nh . em ang c nh theo thng FPGA ny . thy my bi ca anh rt c ngha. nhng ko bit l anh c nhiu ti liu c th hn ko < nu c anh c th gi ln cho anh em cng xemvi . v anh em no nu c cng share lun c ko >cm n mi ngi nhiu.

#613-05-2008, 15:01

trungkien_a2Thnh vin mi

Tham gia: Aug 2007Bi vit: 9

Bi vit ca bn rt c bn!!!!!

Mnh k ny phi lm bi tp ln FPGA ca bn xilinx.Bn c nhiu kinh nghim mng ny c th cho mingi s in thoi khng?Ti rt mun lin h c vi [email protected]

#731-08-2008, 21:33

y l mt bi vit v FPGA theo hng nhng : http://www.thongtincongnghe.com/article/2197

#801-09-2008, 01:52



et2Thnh vin tch cc

Tham gia: Oct 2005Bi vit: 116

Cc bn c th tm thy cc thng tin hu ch trong .

dbgloryThnh vin mi

Tham gia: Apr 2008Bi vit: 16

ci process trong VHDL c tc dng g vy cc anh i, gip em vi

#911-09-2008, 21:05

cuong281Thnh vin mi


mnh dang c nh nghin cu v FPGA.bn no c 1 v d n gin v thit k 1 h thng s dngFPGA

#1014-10-2008, 13:45

znguyenThnh vin mi

Tham gia: Dec 2007Bi vit: 1

hi mnh ang nghin cu v vic xy dng mt b iu khin neuron trn FPGA bn no c kinh nghim thch cho mnh vi nh... thanks much

|

#1114-10-2008, 14:58



adthvqsThnh vin mi


Cho cc anh!Em mi tip cn vi lnh vc ny,ngi hc ngn ng VHDL ri cch s dng ISE nhng thc s e vn chahnh dung ra mt thit k hon chnh th no?Vi c e cung mua 1 kit spartan 3E ca xilinx nhng kh lichng bit bt u t u.Mong a jeff v cc a ch gio dm eE cng mong l room ny ngy cng c nhiu ngi ng h v quan tm!

|

#1214-05-2010, 09:09

jefflieuModerator


Hi, Trc tin bn phi bit cc thnh phn c bn ca mch s, nh Flip-flop, gate, mux ... khng cn bit chitit thit k ra sao, ch cn hiu cch vn hnh... Sau bn s hc VHDL/Verilog/SystemC/SystemVerilog ...

Khi hc VHDL, nn dng simulation, trong ISE c sn Simulator (phn mm m phng), khng nn dnhdng ti phn cng, va mt thi gi, va khng hc hi c g. - Khi kh kh VHDL, v bn mun xy dng cc ng dng chy real-time trn FPGA, th mi dngdevelopmen-kit. Nhng khi dng development kit, trc khi chy trn board tht, lun phi m phng trc.- trau di thm HDL bn c th tham gia project FFT v FIR ang lm. - Cn mun nghch phn cng th ... oke ... ... to cch mch thi gian, counter ... trn board bn c LED7 on ko? to mch m 1 2 3 4 --> 9 0 ... nh vy s hnh dung c thit k hon chnh nh thno. Bn thch th to 1 project. FPGA for newbie ... ... Jeff s cho sticky tag.

#1314-05-2010, 10:08

adthvqsThnh vin mi


anh jeff c th ni c th c khng anhe cung nghin cu v cung nm c tng i v lp trnh vi ngn ng VHDL nhng khi e vit chngtrnh,m phng xong v khi np vo kit li khng thy s th hin ca chng trnh trn kit a ahA c th v d gip e lp trnh c c ngoi vi v hin thi trn kit spartan 3E c khng a jeff

|

#1415-05-2010, 09:24



TR GIP

LIN H

GO TO TOP

Copyright 2000-2015 Dientuvietnam.net. Founded by BinhAnh. Developed by DTVN Team & RPC. All rights reserved. Forum software powered by vBulletin

Copyright 2015 vBulletin Solutions, Inc. All rights reserved.Mi gi GMT7. Trang ny c to vo lc 00:40.

1 2 3 Next

jefflieuModerator


M phng ng v np vo mch khng chy l mt phm tr khc, ci ny gi l "hands-on" .Khi lm vic vi phn cng, dng c khng th thiu l:- Multimeter: o in th, dng, short/open circuit. Ci ny th r, chng 50000 (cch y 8 nm) ... ci cici xi cng c, khng cn chnh xc.- Oscilloscope: ci ny th kh kim, phi vo phng lb ca trng hoc c quan th may ra.

Ngay c khi c dng c th cng c 1001 l do mch khng chy nh , setting sai, clock cht ... v.vv v.v

Ni khi khi th kh ni, bn lp mt thread mi i, th no board ca bn mua cng c LED, switch ... vthng s c cc example khi u. Sau s d hng dn hn. Jeff thy thread ny cn thit cho ccbn mi bt u vi FPGA v phn cng (FPGA, khng phi VHDL). Mnh s t sticky cho ai mi voc th tham kho v lm quen nhanh chng.

#1515-05-2010, 11:56

Nguyn vn bi adthvqs anh jeff c th ni c th c khng anhe cung nghin cu v cung nm c tng i v lp trnh vi ngn ng VHDL nhng khi e vitchng trnh,m phng xong v khi np vo kit li khng thy s th hin ca chng trnh trn kita ahA c th v d gip e lp trnh c c ngoi vi v hin thi trn kit spartan 3E c khng a jeff

Ting Vit

dientuvietnam.netFPGA c bn - in t Vit Nam

1jJUM2JUExLWIlRTElQkElQTNuAA==: form1: page: 1

1jJUM2JUExLWIlRTElQkElQTNuAA==: toolbar-search-form: q: btnSearch:

VlJndpZHRoPTEzNSZoZWlnaHQ9MjAA: form0: lsd: AVprCZ4zhref: http://www.dientuvietnam.net/forums/node/13410action: likenobootload: iframe_referer: http://www.dientuvietnam.net/forums/forum/vi-%C4%90i%E1%BB%87n-t%E1%BB%AD-thi%E1%BA%BFt-k%E1%BA%BF-ph%C3%A1t-tri%E1%BB%83n-v%C3%A0-%E1%BB%A8ng-d%E1%BB%A5ng/gal-pal-cpld-fpga/13410-fpga-c%C6%A1-b%E1%BA%A3nr_ts: 1435516169ref: button0: lsd_(1): AVprCZ4zhref_(1): http://www.dientuvietnam.net/forums/node/13410action_(1): likenobootload_(1): iframe_referer_(1): http://www.dientuvietnam.net/forums/forum/vi-%C4%90i%E1%BB%87n-t%E1%BB%AD-thi%E1%BA%BFt-k%E1%BA%BF-ph%C3%A1t-tri%E1%BB%83n-v%C3%A0-%E1%BB%A8ng-d%E1%BB%A5ng/gal-pal-cpld-fpga/13410-fpga-c%C6%A1-b%E1%BA%A3nr_ts_(1): 1435516169ref_(1):

VlJndpZHRoPTEzNSZoZWlnaHQ9MjAA: button0:

fpga cơ bản - Điện tử việt nam

Documents