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Naqshadeynta Guddiga FPGA PCB ee la xoojiyey

Sawirka Naqshadaynta Gudida FPGA PCB ee la xoojiyey
  • Naqshadeynta Guddiga FPGA PCB ee la xoojiyey

Sharaxaad Gaaban:

FPGA pcb guddiga.iCore4 dual-core guddiga gacanta warshadaha waa jiilka afraad iCore guddiga dual-core bilaabay shirkadda;iyada oo ay ugu wacan tahay qaab-dhismeedkeeda gaarka ah ee ARM + FPGA “hal-cabbir-ku habboon-dhan” qaab-dhismeedka laba-core, waxa loo isticmaali karaa cabbirro badan oo tijaabo ah iyo goobo kontorool.Marka iCore4 loo isticmaalo xudunta badeecada, xudunta "ARM" waxay u shaqeysaa sidii doorka CPU (sidoo kale waxaa la dhihi karaa waa doorka fulinta "taxane"), mas'uul ka ah hirgelinta shaqada, habaynta dhacdada, iyo hawlaha interface.Sida doorka "qalabka macquulka ah" (ama "isbarbar socda" doorka fulinta), "FPGA" xudunta u ah ayaa mas'uul ka ah hawlaha sida isbarbardhigga, habaynta wakhtiga dhabta ah, iyo maaraynta macquulka ah.Labada qaybood ee "ARM" iyo "FPGA" waxay ku wada xiriiraan iyagoo isticmaalaya bas barbar socda 16-bit.Xajmiga sarreeya iyo fududaynta isticmaalka baska barbar-dhigga waxay hubisaa ku habboonaanta iyo waxqabadka waqtiga-dhabta ah ee is-weydaarsiga xogta ee u dhexeeya labada qaybood, samaynta labada qaybood ee "loo rogay hal xadhig" si ay ula qabsadaan hawlaha sii kordhaya ee imtixaanka iyo cabbirka iyo si toos ah. alaabta xakamaynta , Shuruudaha waxqabadka.


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2 Astaamaha Khayraadka

2.1 Astaamaha awooda:

[1] Qabo USB_OTG, USB_UART iyo EXT_IN saddex hab oo korontadu;

[2] Korontada dhijitaalka ah: Wax soo saarka tamarta dhijitaalka ah waa 3.3V, iyo wareegga wax ku oolnimada sare leh ee BUCK waxaa loo isticmaalaa in lagu bixiyo awoodda ARM / FPGA / SDRAM, iwm.;

[3] Xuddunta FPGA waxa ku shaqeeya 1.2V, waxa kale oo ay isticmaashaa wareegga BUCK oo tayo sare leh;

[4] FPGA PLL waxaa ku jira tiro badan oo wareegyo analoog ah, si loo hubiyo waxqabadka PLL, waxaan isticmaalnaa LDO si aan u siino awooda analooga ee PLL;

[5] STM32F767IG waxay bixisaa tixraac danab analoog ah oo madax-bannaan si ay u bixiso korantada tixraaca ee ADC-da-chip / DAC;

[6] Waxay bixisaa la socodka awoodda iyo habaynta;

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2.2 ARM sifooyinka:

[1] Waxqabad sare STM32F767IG oo leh inta jeer ee ugu weyn ee 216M;

[2] 14 I/O balaadhinta waxqabadka sare;

[3] Isku-dhufashada I/O, oo ay ku jiraan ARM-ku-dhisan SPI / I2C / UART / TIMER / ADC iyo hawlo kale;

[4] Oo ay ku jiraan 100M Ethernet, xawaaraha sare ee USB-OTG interface iyo USB ilaa shaqada UART ee cilladaha;

[5] Oo ay ku jiraan 32M SDRAM, TF kaarka interface, USB-OTG interface (waxaa lagu xidhi karaa U disk);

[6] 6P FPC debugging interface, adabtarada caadiga ah si ay ula qabsato interface guud ee 20p;

[7] Isticmaalka isgaadhsiinta baska ee 16-bit ah;

2.3 Tilmaamaha FPGA:

[1] Altera jiilka afraad ee taxanaha Cyclone FPGA EP4CE15F23C8N waa la isticmaalaa;

[2] Ilaa 230 balaadhinta waxqabadka sare ee I/O;

[3] FPGA waxay balaarinaysaa laba-chip SRAM oo leh awood 512KB;

[4] Habka qaabaynta: taageerada JTAG, AS, qaabka PS;

[5] Taageer ku shubista FPGA iyada oo loo marayo qaabeynta ARM;Shaqada AS PS waxay u baahan tahay in lagu xusho boodayaasha;

[6] Isticmaalka isgaadhsiinta baska ee 16-bit ah;

[7] Dekadda FPGA ee cilladda: FPGA JTAG;

2.4 Tilmaamo kale:

[1] USB-ga iCore4 wuxuu leeyahay saddex qaab oo shaqo: Qaabka AALADAHA, Habka HOST iyo qaabka OTG;

[2] Nooca interface Ethernet waa 100M buuxa duplex;

[3] Habka korantada waxaa lagu dooran karaa jumper, USB interface si toos ah ayaa loo shaqeeyaa, ama iyada oo loo marayo madaxa pin (5V korontada);

[4] Laba badhan oo madax-bannaan ayaa ay gacanta ku hayaan ARM iyo FPGA siday u kala horreeyaan;

[5] Labada nalal ee LED-ka ee iCore4 heterogeneous dual-core control warshadaha waxay leeyihiin saddex midab: casaan, cagaar iyo buluug, kuwaas oo ay gacanta ku hayaan ARM iyo FPGA siday u kala horreeyaan;

[6] Qaado 32.768K crystal dadban si aad u bixiso RTC saacada wakhtiga dhabta ah ee nidaamka;

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