• Facebook
  • twitter
  • LinkedIn
English

Ingantattun Zane-zane na FPGA PCB

Ingantattun Zane-zanen Hukumar FPGA PCB
  • Ingantattun Zane-zane na FPGA PCB

Takaitaccen Bayani:

Farashin FPGA PCB.iCore4 dual-core masana'antu kula da masana'antu ne na hudu-tsara iCore jerin dual-core kwamitin kaddamar da kamfanin;saboda keɓaɓɓen tsarin sa na ARM + FPGA "ɗaya-daidai-duk" tsarin dual-core, ana iya amfani dashi a yawancin ma'aunin gwaji da filayen sarrafawa.Lokacin da aka yi amfani da iCore4 a cikin ainihin samfurin, ainihin "ARM" yana aiki a matsayin aikin CPU (ana kuma iya cewa ya zama aikin kisa na "serial"), alhakin aiwatar da ayyuka, sarrafa abubuwan da suka faru, da ayyukan dubawa.A matsayin rawar "na'urar dabaru" (ko "parallel" rawar aiwatarwa), ainihin "FPGA" yana da alhakin ayyuka kamar aiki na layi daya, sarrafa lokaci, da sarrafa dabaru.Rukunin guda biyu "ARM" da "FPGA" suna sadarwa ta amfani da bas mai kama da 16-bit.Babban bandwidth da sauƙi na yin amfani da bas ɗin daidaici yana tabbatar da dacewa da aiki na ainihi na musayar bayanai tsakanin nau'i biyu, yana sanya nau'i biyu na "karkatar da igiya daya" don jimre wa karuwar ayyuka na gwaji da aunawa da atomatik. sarrafa kayayyakin , Performance bukatun.


Cikakken Bayani

Tags samfurin

Cikakkun bayanai

2 Halayen Albarkatu

2.1 Halayen wutar lantarki:

[1] Ɗauki USB_OTG, USB_UART da EXT_IN hanyoyin samar da wutar lantarki guda uku;

[2] Kayan wutar lantarki na dijital: Fitar da wutar lantarki ta dijital shine 3.3V, kuma ana amfani da da'irar BUCK mai inganci don samar da wuta don ARM / FPGA / SDRAM, da sauransu;

[3] Ana amfani da FPGA core ta 1.2V, kuma yana amfani da da'irar BUCK mai inganci;

[4] FPGA PLL ya ƙunshi babban adadin analog da'irori, don tabbatar da aikin PLL, muna amfani da LDO don samar da ikon analog don PLL;

[5] STM32F767IG yana ba da ma'anar ƙarfin lantarki na analog mai zaman kanta don samar da wutar lantarki na ADC / DAC akan guntu;

[6] Yana ba da sa ido kan wutar lantarki da ƙima;

1

2.2 ARM fasali:

[1] Babban aiki STM32F767IG tare da babban mitar 216M;

[2]14 babban aikin I/O fadada;

[3] Multiplexing tare da I / O, gami da ginanniyar ARM SPI / I2C / UART / TIMER / ADC da sauran ayyuka;

[4] Ciki har da 100M Ethernet, babban saurin USB-OTG dubawa da kebul zuwa aikin UART don gyarawa;

[5] Ciki har da 32M SDRAM, TF katin dubawa, kebul-OTG dubawa (ana iya haɗa shi zuwa U disk);

[6] 6P FPC gyare-gyare na dubawa, daidaitaccen adaftan don daidaitawa ga babban 20p dubawa;

[7] Yin amfani da sadarwar bas mai kama da 16-bit;

2.3 Abubuwan FPGA:

[1] Ana amfani da jerin Cyclone na ƙarni na huɗu na Altera FPGA EP4CE15F23C8N;

[2] Har zuwa 230 babban aikin I / O fadadawa;

[3] FPGA yana faɗaɗa dual-chip SRAM tare da ƙarfin 512KB;

[4] Yanayin Kanfigareshan: goyan bayan JTAG, AS, yanayin PS;

[5] Goyi bayan loda FPGA ta hanyar daidaitawar ARM;Aikin AS PS yana buƙatar zaɓar ta hanyar masu tsalle;

[6] Yin amfani da sadarwar bas mai kama da 16-bit;

[7] FPGA mai lalata tashar jiragen ruwa: FPGA JTAG tashar jiragen ruwa;

2.4 Wasu fasali:

[1] Kebul na iCore4 yana da yanayin aiki guda uku: Yanayin na'ura, Yanayin HOST da yanayin OTG;

[2] Nau'in ƙirar Ethernet shine 100M cikakken duplex;

[3] Za'a iya zaɓar yanayin samar da wutar lantarki ta jumper, kebul na USB yana aiki kai tsaye, ko kuma ta hanyar fil (filin wutar lantarki 5V);

[4] ARM da FPGA suna sarrafa maɓallai masu zaman kansu guda biyu;

[5] Fitilolin LED guda biyu na kwamitin kula da masana'antu na iCore4 iri-iri na dual-core suna da launuka uku: ja, kore da shuɗi, waɗanda ARM da FPGA ke sarrafa su bi da bi;

[6] Ɗauki 32.768K crystal m don samar da agogon RTC na ainihi don tsarin;

  • Na baya:
  • Na gaba:

    • Samfura masu dangantaka