XC7K420T-2FFG901I - Haɗaɗɗen Kewaye, Haɗe-haɗe, Tsararrun Ƙofar Ƙofar Filaye

Amfani
Amfanin FPGAs sune kamar haka:
(1) FPGAs sun ƙunshi albarkatun kayan masarufi kamar ƙwayoyin dabaru, RAM, masu ninkawa, da sauransu. Ta hanyar tsara waɗannan albarkatun kayan masarufi a hankali, ana iya aiwatar da da'irori na hardware kamar masu ninkawa, rajista, masu samar da adireshi, da sauransu.
(2) Ana iya tsara FPGAs ta amfani da zane-zane na toshe ko Verilog HDL, daga da'irar ƙofa mai sauƙi zuwa da'irori na FIR ko FFT.
(3) FPGAs za a iya sake tsara su ba tare da iyaka ba, suna loda sabon ƙirar ƙira a cikin ƴan mil daƙiƙa ɗari kawai, ta amfani da sake tsarawa don rage kayan aikin sama.
(4) Mitar aiki na FPGA an ƙaddara ta guntu na FPGA da kuma ƙira, kuma ana iya canzawa ko maye gurbin shi da guntu mai sauri don saduwa da wasu buƙatu masu buƙata (ko da yake, ba shakka, mitar aiki ba ta da iyaka kuma tana iya. za a ƙara, amma ana sarrafa shi ta hanyoyin IC na yanzu da sauran dalilai).
Rashin amfani
Rashin amfanin FPGAs sune kamar haka:
(1) FPGAs sun dogara da aiwatar da kayan aiki don duk ayyuka kuma ba za su iya aiwatar da ayyuka kamar reshen tsalle-tsalle na sharaɗi ba.
(2) FPGAs na iya aiwatar da ƙayyadaddun ayyuka kawai.
A taƙaice: FPGAs sun dogara da kayan aiki don aiwatar da duk ayyuka kuma ana iya kwatanta su da kwatancen kwakwalwan kwamfuta dangane da saurin gudu, amma akwai babban rata a cikin sassauƙar ƙira idan aka kwatanta da na'urori masu sarrafa manufa gabaɗaya.

Zane harsuna da dandamali

Na'urorin dabaru masu shirye-shirye sune masu ɗaukar kayan masarufi waɗanda ke haɓaka kafaffen ayyuka da ƙayyadaddun fasaha na aikace-aikacen lantarki ta hanyar fasahar EDA.FPGAs, a matsayin ɗaya daga cikin na'urori na yau da kullun waɗanda ke aiwatar da wannan tafarki, sun dace da mai amfani kai tsaye, masu sassauƙa da juzu'i, masu sauƙin amfani, da sauri don gwadawa da aiwatarwa cikin kayan aiki.
Harshen Bayanin Hardware (HDL) harshe ne da ake amfani da shi don tsara tsarin dabaru na dijital da kuma bayyana da'irori na dijital, manyan waɗanda aka fi amfani da su sune VHDL, Verilog HDL, System Verilog da System C.
A matsayin yaren kwatancin kayan masarufi duka-duka, Harshen Siffata Hardware Mai Saurin Haɗin Kai (VHDL) yana da halaye na kasancewa mai zaman kansa daga keɓaɓɓen da'irar kayan masarufi kuma mai zaman kansa daga dandamalin ƙira, tare da fa'idodin iyawar kwatance mai faɗi, ba dogara ga takamaiman na'urori, da kuma ikon kwatanta ƙirar ƙirar sarrafawa mai rikitarwa a cikin ƙaƙƙarfan ƙaƙƙarfan code, da dai sauransu. An goyan bayan yawancin kamfanoni na EDA kuma an yi amfani da su sosai a fagen ƙirar lantarki.yadu amfani.
VHDL babban harshe ne don ƙirar kewayawa, kuma idan aka kwatanta da sauran harsunan bayanin kayan masarufi, yana da halaye na harshe mai sauƙi, sassauci da 'yancin kai daga ƙirar na'urar, yana mai da shi yaren bayanin kayan masarufi na gama gari don fasahar EDA da yin fasahar EDA ƙari. m ga masu zanen kaya.
Verilog HDL harshe ne na bayanin kayan masarufi da aka yi amfani da shi sosai wanda za'a iya amfani dashi a matakai da yawa na tsarin ƙirar kayan masarufi, gami da ƙirar ƙira, haɗawa da simulation.
Fa'idodin Verilog HDL: kama da C, mai sauƙin koya da sassauƙa.Harka-m.Fa'idodin rubuce-rubuce masu ƙarfafawa da ƙirar ƙira.Hasara: yawancin kurakurai ba za a iya gano su ba a lokacin tattarawa.
Ribobin VHDL: Tsare-tsare mai tsauri, bayyananne matsayi.Hasara: dogon sanin lokacin, rashin sassauƙa sosai.
Software na Quartus_II cikakken yanayin ƙirar dandamali ne wanda Altera ya haɓaka, wanda zai iya biyan buƙatun ƙira na FPGAs da CPLDs daban-daban, kuma yana da cikakkiyar yanayi don ƙirar tsarin tsarin kan-chip.
Vivado Design Suite, yanayin ƙirar da aka haɗa ta hanyar mai siyar FPGA Xilinx a cikin 2012. Ya haɗa da yanayin ƙirar ƙira sosai da sabon ƙarni na kayan aiki daga tsarin zuwa matakin IC, duk an gina su akan tsarin sikelin bayanan da aka raba da kuma yanayin lalata gama gari.Xilinx Vivado Design Suite yana samar da abubuwan haɗin IP na FIFO waɗanda za a iya amfani da su cikin sauƙi ga ƙira.