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Imudara FPGA PCB Board Design

Imudara FPGA PCB Board Design Ifihan Aworan
  • Imudara FPGA PCB Board Design

Apejuwe kukuru:

FPGA PCb ọkọ.Igbimọ iṣakoso ile-iṣẹ iCore4 dual-core jẹ igbimọ iCore-kẹrin-iran meji-mojuto igbimọ ti ile-iṣẹ ṣe ifilọlẹ;nitori ARM alailẹgbẹ rẹ + FPGA “iwọn-iwọn-gbogbo” ẹya meji-mojuto, o le ṣee lo ni ọpọlọpọ wiwọn idanwo ati awọn aaye iṣakoso.Nigbati a ba lo iCore4 ni ipilẹ ọja naa, mojuto “ARM” n ṣiṣẹ bi ipa Sipiyu (o tun le sọ pe o jẹ ipa ipaniyan “tẹlentẹle”), lodidi fun imuse iṣẹ, ṣiṣe iṣẹlẹ, ati awọn iṣẹ wiwo.Gẹgẹbi ipa “ohun elo kannaa” (tabi ipa ipaniyan “parallel”), mojuto “FPGA” jẹ iduro fun awọn iṣẹ bii sisẹ ti o jọra, ṣiṣe akoko gidi, ati iṣakoso oye.Awọn ohun kohun meji “ARM” ati “FPGA” ṣe ibasọrọ nipa lilo ọkọ akero ti o jọra 16-bit.Iwọn bandiwidi giga ati irọrun ti lilo ọkọ akero ti o jọra ṣe idaniloju irọrun ati iṣẹ akoko gidi ti paṣipaarọ data laarin awọn ohun kohun meji, ṣiṣe awọn ohun kohun meji “yiyi sinu okun kan” lati koju awọn iṣẹ ti o pọ si ti idanwo ati wiwọn ati adaṣe adaṣe. awọn ọja iṣakoso, Awọn ibeere ṣiṣe.


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Awọn alaye

2 Resource Abuda

2.1 Awọn abuda agbara:

[1] Gba USB_OTG, USB_UART ati EXT_IN awọn ọna ipese agbara mẹta;

[2] Ipese agbara oni nọmba: Ijade ti ipese agbara oni-nọmba jẹ 3.3V, ati Circuit BUCK ti o ga julọ ni a lo lati pese agbara fun ARM / FPGA / SDRAM, ati bẹbẹ lọ;

[3] Kokoro FPGA ni agbara nipasẹ 1.2V, ati pe o tun nlo iyipo BUCK ti o ga julọ;

[4] FPGA PLL ni nọmba nla ti awọn iyika afọwọṣe, lati rii daju iṣẹ PLL, a lo LDO lati pese agbara afọwọṣe fun PLL;

[5] STM32F767IG pese ohun ominira afọwọṣe foliteji itọkasi lati pese a itọkasi foliteji fun awọn on-chip ADC / DAC;

[6] Pese ibojuwo agbara ati aṣepari;

1

2.2 ARM awọn ẹya:

[1] STM32F767IG ti o ga julọ pẹlu igbohunsafẹfẹ akọkọ ti 216M;

[2] 14 ga-išẹ I / O imugboroosi;

[3] Multiplexing pẹlu I/O, pẹlu ARM ti a ṣe sinu SPI / I2C / UART / TIMER / ADC ati awọn iṣẹ miiran;

[4] Pẹlu 100M àjọlò, ga-iyara USB-OTG ni wiwo ati USB to UART iṣẹ fun n ṣatunṣe aṣiṣe;

[5] Pẹlu 32M SDRAM, TF kaadi ni wiwo, USB-OTG ni wiwo (le ti wa ni ti sopọ si U disk);

[6] 6P FPC ni wiwo n ṣatunṣe aṣiṣe, ohun ti nmu badọgba boṣewa lati ṣe deede si wiwo 20p gbogbogbo;

[7] Lilo 16-bit ni afiwe akero ibaraẹnisọrọ;

2.3 FPGA Awọn ẹya:

[1] Altera's kẹrin-iran Cyclone jara FPGA EP4CE15F23C8N ti lo;

[2] Titi di 230 awọn imugboroja I / O iṣẹ giga;

[3] FPGA faagun meji-eerun SRAM pẹlu kan agbara pa 512KB;

[4] Ipo iṣeto: atilẹyin JTAG, AS, ipo PS;

[5] Ṣe atilẹyin ikojọpọ FPGA nipasẹ iṣeto ARM;AS PS iṣẹ nilo lati yan nipasẹ jumpers;

[6] Lilo 16-bit ni afiwe akero ibaraẹnisọrọ;

[7] Ibudo yokokoro FPGA: FPGA JTAG ibudo;

2.4 Awọn ẹya miiran:

[1] USB ti iCore4 ni awọn ipo iṣẹ mẹta: Ipo ẸRỌ, Ipo HOST ati ipo OTG;

[2] Àjọlò ni wiwo iru ni 100M ni kikun ile oloke meji;

[3] Ipo ipese agbara le jẹ yan nipasẹ jumper, wiwo USB ti ni agbara taara, tabi nipasẹ akọsori pin (ipese agbara 5V);

[4] Awọn bọtini ominira meji ni iṣakoso nipasẹ ARM ati FPGA lẹsẹsẹ;

[5] Awọn imọlẹ LED meji ti iCore4 heterogeneous dual-core Iṣakoso ile-iṣẹ ni awọn awọ mẹta: pupa, alawọ ewe ati buluu, eyiti ARM ati FPGA nṣakoso ni atele;

[6] Gba 32.768K palolo gara lati pese aago RTC gidi-akoko fun eto naa;

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