Nhazi bọọdụ FPGA PCB emelitere

Nkọwa dị mkpirikpi:

FPGA PCb osisi.iCore4 dual-core ulo oru akara osisi bụ nke anọ-emana iCore usoro dual-core osisi ulo oru;n'ihi ihe pụrụ iche ARM + FPGA "otu-size-dabara-niile" dual-core Ọdịdị, enwere ike iji ya n'ọtụtụ nyocha na mpaghara njikwa.Mgbe a na-eji iCore4 na isi nke ngwaahịa ahụ, isi "ARM" na-arụ ọrụ dị ka ọrụ CPU (a pụkwara ịsị na ọ bụ ọrụ mmezu nke "usoro"), na-ahụ maka mmejuputa ọrụ, nhazi ihe omume, na ọrụ interface.Dị ka ọrụ “ngwaọrụ mgbagha” (ma ọ bụ ọrụ mmezu “yiri”), isi “FPGA” na-ahụ maka ọrụ dị ka nhazi oge, nhazi oge na njikwa mgbagha.Cores abụọ ahụ "ARM" na "FPGA" na-eji ụgbọ ala yiri 16-bit na-akpakọrịta.Ogologo bandwidth dị elu na ịdị mfe nke iji ụgbọ ala ndị yiri ya na-eme ka ịdị mma na arụ ọrụ nke ọma nke mgbanwe data n'etiti cores abụọ ahụ, na-eme ka cores abụọ ahụ "na-atụgharị n'ime otu eriri" iji nagide ọrụ na-arịwanye elu nke ule na nha na akpaka. ngwaahịa njikwa , Arụmọrụ chọrọ.


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Nkọwa

2 Njirimara akụrụngwa

2.1 Njirimara ike:

[1] Nabata USB_OTG, USB_UART na EXT_IN ụzọ ọkọnọ ike atọ;

[2] Igwe ọkụ dijitalụ: Ihe nrụpụta nke ike dijitalụ bụ 3.3V, yana sekit BUCK dị elu na-enye ike maka ARM / FPGA / SDRAM, wdg;

[3] A na-akwado isi FPGA site na 1.2V, ma na-ejikwa sekit BUCK arụ ọrụ dị elu;

[4] FPGA PLL nwere ọnụ ọgụgụ dị ukwuu nke sekit analọg, iji hụ na arụmọrụ PLL, anyị na-eji LDO nye ike analog maka PLL;

[5] STM32F767IG na-enye ntụaka voltaji analog nọọrọ onwe ya iji nye voltaji ntụaka maka ADC / DAC on-chip;

[6] Na-enye nleba anya ike na benchmarking;

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2.2 ARM atụmatụ:

[1] STM32F767IG na-arụ ọrụ dị elu yana ugboro ugboro nke 216M;

[2]14 Mgbasawanye I/O dị elu;

[3] Multiplexing na I/O, gụnyere ARM wuru n'ime SPI / I2C / UART / TIMER / ADC na ọrụ ndị ọzọ;

[4] Gụnyere 100M Ethernet, ngwa ngwa USB-OTG interface na USB ka ọrụ UART maka nbipu;

[5] Gụnyere 32M SDRAM, TF kaadị interface, USB-OTG interface (nwere ike jikọọ na U disk);

[6] 6P FPC debugging interface, ihe nkwụnye ọkọlọtọ iji mee mgbanwe na interface 20p n'ozuzu;

[7] Iji 16-bit nzikọrịta ozi ụgbọ ala yiri ya;

2.3 FPGA atụmatụ:

[1] A na-eji usoro Cyclone ọgbọ nke anọ nke Altera FPGA EP4CE15F23C8N;

[2] Ruo 230 arụmọrụ I / O na-arụ ọrụ dị elu;

[3] FPGA gbasawanye SRAM-chip nwere ikike nke 512KB;

[4] Ụdị nhazi: nkwado JTAG, AS, ọnọdụ PS;

[5] Nkwado na-ebunye FPGA site na nhazi ARM;AS PS kwesịrị ịhọrọ ọrụ site na jumpers;

[6] Iji 16-bit nzikọrịta ozi ụgbọ ala yiri ya;

[7] ọdụ ụgbọ mmiri FPGA: ọdụ ụgbọ mmiri FPGA JTAG;

2.4 Atụmatụ ndị ọzọ:

[1] USB nke iCore4 nwere ụdị ọrụ atọ: ụdị ngwaọrụ, ọnọdụ HOST na ọnọdụ OTG;

[2] Ụdị interface Ethernet bụ 100M zuru ezu duplex;

[3] Enwere ike ịhọrọ ọnọdụ ọkụ ọkụ site na jumper, USB interface na-akwado ya ozugbo, ma ọ bụ site na isi ntụtụ (ike ọkụ 5V);

[4] ARM na FPGA na-achịkwa bọtịnụ abụọ nọọrọ onwe ha n'otu n'otu;

[5] Igwe ọkụ abụọ LED nke iCore4 heterogeneous dual-core industry control board nwere agba atọ: uhie, green na blue, nke ARM na FPGA na-achịkwa n'otu n'otu;

[6] Nabata 32.768K kristal na-agafe agafe iji nye oge elekere RTC maka usoro;


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