Buka ea Referense ea Arty Z7
Arty Z7 ke sethala sa ntlafatso se loketseng ho sebelisoa se raliloeng ho potoloha Zynq-7000 ™ All Programmable System-on-Chip (AP SoC) ho tloha Xilinx. Moralo oa Zynq-7000 o tiisa mochini oa li-processor tse peli tsa 650 MHz () ARM Cortex-A9 le Xilinx 7-Series Field Programmable Gate Array (FPGA) logic. Pairing ena e fa bokhoni ba ho lika-liketsa processor e matla ka seteishene se ikhethileng sa lisebelisoa tse laoloang ke software le balaoli, tse etselitsoeng uena bakeng sa ts'ebeliso ea sepheo.
Lisebelisoa tsa Vivado, Petalinux le SDSoC e 'ngoe le e' ngoe e fana ka tsela e atamelehang pakeng tsa ho hlalosa setaele sa moetlo oa hau le ho e tlisa e sebetsa ho Linux OS () kapa sesebelisoa se sa sebetseng sa tšepe se sebetsang ho processor. Bakeng sa ba batlang boiphihlelo bo tloaelehileng ba boqapi ba dijithale, ho a khonahala ho hlokomoloha li-processor tsa ARM le ho hlophisa FPGA ea Zynq joalo ka uena Xilinx FPGA e ngoe. Digilent e fana ka lisebelisoa le lisebelisoa tse 'maloa bakeng sa Arty Z7 e tla u hlasimolla le sesebelisoa sa hau sa khetho kapele.
Buka ea Referense ea Arty Z7 [Reference.Digilentinc]
Khoasolla Buka ena ea Litšupiso
- Buka ena ea litšupiso ha e so fumanehe bakeng sa ho jarolloa.
Likaroloana
Sesebelisoa sa ZYNQ
- 650MHz processor ea Cortex-A9 ea likarolo tse peli
- Molaoli oa memori ea DDR3 o nang le liteishene tse 8 tsa DMA le likou tse 4 tsa Mosebetsi o Phahameng oa AXI3
- Balaoli ba pheriferale e phahameng ea bandwidth: 1G Ethernet, USB 2.0, SDIO
- Taolo e tlase ea bandwidth ea pherese: SPI, UART, CAN, I2C
- E ka khonahala ho tsoa ho JTAG, Quad-SPI flash, le karete ea microSD
- Lenaneo le hlophisehileng le lekana le Artix-7 FPGA
Mohopolo
- 512MB DDR3 e nang le bese ea 16-bit @ 1050Mbps
- Flash ea 16MB Quad-SPI e nang le se khethisi se lumellanang sa EUI-48/48 ™ se hlophisitsoeng fekthering
- sekotjana sa microSD
Matla
- E tsamaisoa ka USB kapa mohloli ofe kapa ofe oa kantle oa 7V-15V
USB le Ethernet
- PHY ea Gigabit Ethernet
- USB-JTAG Lenaneo la potoloho
- Borokho ba USB-UART
- USB OTG PHY (e tšehetsa moamoheli feela)
Audio le Video
- HDMI teba koung (input)
- Port ea mohloli oa HDMI (tlhahiso)
- PWM e tsamaisoa ka mono audio audio e nang le 3.5mm jack
Liphetoho, li-Push-buttons le li-LED
- 4 li-push-buttons
- Liphetoho tse 2 tsa li-slide
- 4 li-LED
- Li-LED tsa 2 RGB
Lisebelisoa tsa Katoloso
- Likou tse peli tsa Pmod
- 16 Kakaretso ea FPGA I / O
- Sehokedi sa Arduino / chipKIT Shield
- Ho fihla ho 49 Kakaretso ea FPGA I / O (bona tafole e ka tlase)
- Likenyelletso tsa Analog ho XADC tse 6
- 4 Lintho tse fapaneng tsa 0-1.0V tsa Analog ho XADC
Likhetho tsa ho reka
Arty Z7 e ka rekoa ka Zynq-7010 kapa Zynq-7020 e laetsoeng. Mefuta ena e 'meli ea lihlahisoa tsa Arty Z7 e bitsoa Arty Z7-10 le Arty Z7-20, ka ho latellana. Ha litokomane tsa Digilent li hlalosa tšebetso e tloaelehileng ho mefuta ena ka bobeli, li bitsoa ka kopanelo e le "Arty Z7". Ha ho hlalosoa ho hong ho tloaelehileng mofuteng o itseng, mofuta o tla bitsoa ka mokhoa o hlakileng ka lebitso la ona.
Phapang e le ngoe lipakeng tsa Arty Z7-10 le Arty Z7-20 ke bokhoni ba karolo ea Zynq le palo ea I / O e fumanehang sehokelong sa thebe. Lisebelisoa tsa Zynq ka bobeli li na le bokhoni bo tšoanang, empa -20 e na le FPGA ea ka hare e kholo ho feta makhetlo a 3 ho feta -10. Phapang lipakeng tsa mefuta e 'meli e akaretsoe ka tlase mona:
| Mofuta oa Sehlahisoa | Boholo Z7-10 | Boholo Z7-20 |
| Karolo ea Zynq | XC7Z010-1CLG400C | XC7Z020-1CLG400C |
| 1 MSPS On-chip ADC () | Ee | Ee |
| Litafole tsa ho sheba (LUTs) | 17,600 | 53,200 |
| Meqathatso | 35,200 | 106,400 |
| Thibela RAM () | 270 KB | 630 KB |
| Lithaele tsa Tsamaiso ea Clock | 2 | 4 |
| Thebe e fumanehang I/O | 26 | 49 |
Ho Arty Z7-10, mola o ka hare oa thebe ea dijithale (IO26-IO41) le IOA (eo hape e bitsoang IO42) ha e hokahane le FPGA, mme A0-A5 e ka sebelisoa feela e le lisebelisoa tsa analog. Sena se ke ke sa ama ts'ebetso ea lithebe tse ngata tse teng tsa Arduino, hobane ba bangata ha ba sebelise mola ona o ka hare oa matšoao a dijithale.
Boto e ka rekoa e le mong kapa e na le voucher ho notlolla sesebelisoa sa Xilinx SDSoC. Voucher ea SDSoC e notlela laesense ea selemo sa 1 mme e ka sebelisoa feela le Arty Z7. Kamora hore laesense e felloe ke nako, mofuta ofe kapa ofe oa SDSoC o ileng oa lokolloa nakong ena ea selemo se le seng o ka tsoelapele ho sebelisoa ho isa nakong e sa lekanyetsoang. Bakeng sa tlhaiso-leseling e batsi mabapi le ho reka, bona leqephe la lihlahisoa tsa Arty Z1 (http://store.digilentinc.com/artyz7-apsoc-zynq-7000-development-board-for-makers-and-hobbyists/).
Nakong ea theko, ho khonahala ho kenya karete ea MicroSD, phepelo ea motlakase ea 12V 3A, le thapo ea USB e nyane ha ho hlokahala.
Hlokomela hore ka lebaka la FPGA e nyane ho Zynq-7010, ha e tšoanelehe hantle hore e ka sebelisoa ho SDSoC bakeng sa lits'ebetso tse kenelletseng tsa pono. Re khothaletsa batho ho reka Arty Z7-20 haeba ba rata mefuta ena ea likopo.
Phapang ho tloha PYNQ-Z1
Arty Z7-20 e arolelana SoC e tšoanang hantle le PYNQ-Z1. Bohlale ba tšobotsi, Arty Z7-20 ha e na thuso ea microphone, empa e eketsa konopo ea Power-on Reset. Software e ngotsoeng bakeng sa PYNQ-Z1 e lokela ho sebetsa e sa fetohe ntle le kenyelletso ea maekrofono, eo pini ea eona ea FPGA e setseng e sa hokahana.
Tšehetso ea Software
Arty Z7 e sebetsa ka botlalo le Xilinx's Vivado Design Suite e sebetsang hantle. Sesebelisoa sena sa lisebelisoa se kopanya moralo oa FPGA logic le nts'etsopele ea software ea ARM e kenelletseng hore e sebelisoe habonolo ebile e bonolo. E ka sebelisoa bakeng sa ho rala sistimi ea ho rarahana hofe kapa hofe, ho tloha ts'ebetsong e felletseng e sebelisang lits'ebetso tse ngata tsa seva ka tatellano, ho fihlela lenaneong le bonolo la tšepe le laolang li-LED tse ling.
Hape hoa khonahala ho tšoara Zynq AP SoC joalo ka FPGA e ikemetseng bakeng sa ba sa thahaselleng ho sebelisa processor moralong oa bona. Ha Vivado e lokolloa 2015.4, Logic Analyzer le High-level Synthesis likarolo tsa Vivado li lokolohile ho sebelisoa bakeng sa bohle. WebLipheo tsa PACK, tse kenyelletsang Arty Z7. Logic Analyzer e thusa ka ho rarolla mathata, 'me sesebelisoa sa HLS se u lumella ho bokella khoutu ea C ka kotloloho ho HDL.
Li-platform tsa Zynq li loketse hantle ho kenella lipheo tsa Linux, mme Arty Z7 ha ho joalo. Ho u thusa ho qala, Digilent e fana ka projeke ea Petalinux e tla u tsoha le ho sebetsa ka sistimi ea Linux kapele. Bakeng sa tlhaiso-leseling e batsi, bona Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start).
Arty Z7 e ka sebelisoa le tikolohong ea Xilinx ea SDSoC, e u lumellang ho rala mananeo a potlakileng a FPGA le lipeipi tsa video habonolo sebakeng sa C / C ++ ka botlalo. Bakeng sa tlhaiso-leseling e batsi ka SDSoC, bona file ea Sebaka sa Xilinx SDSoC
(https://www.xilinx.com/products/design-tools/software-zone/sdsoc.html). Digilent e tla be e lokolla sethala se nang le bokhoni ba Video ka tšehetso ea Linux ka nako ea tokollo ea SDSoC 2017.1. Hlokomela hore ka lebaka la FPGA e nyane ho Arty Z7-10, ke demos ea mantlha ea ho sebetsana le livideo e kenyellelitsoeng le sethala seo. Digilent e khothaletsa Arty Z7-20 bakeng sa ba nang le tjantjello ea ho sebetsana le video.
Ba tloaelaneng le lisebelisoa tsa khale tsa Xilinx ISE / EDK tsa pele Vivado e lokolloa le bona ba ka khetha ho sebelisa Arty Z7 ho sesebelisoa sa lisebelisoa. Digilent ha e na lisebelisoa tse ngata ho ts'ehetsa sena, empa u ka lula u kopa thuso ho Seboka sa Digilent (https://forum.digilentinc.com).
Lisebelisoa tsa Matla
Arty Z7 e ka tsamaisoa ho tsoa ho Digilent USB-JTAG-UART port (J14) kapa ho tsoa ho mofuta o mong oa mohloli oa matla o kang betri kapa matla a ka ntle. Jumper JP5 (haufi le sesebelisoa sa motlakase) e etsa qeto ea hore na ho sebelisoa mohloli ofe oa matla.
Boema-kepe ba USB 2.0 bo ka fana ka boholo ba 0.5A ba hajoale ho latela litlhaloso. Sena se lokela ho fana ka matla a lekaneng bakeng sa meralo e tlase e rarahaneng. Lisebelisoa tse boima haholo, ho kenyelletsa leha e le efe e khannang liboto tse ngata tsa peripheral kapa lisebelisoa tse ling tsa USB, li ka hloka matla a mangata ho feta ao boema-kepe ba USB bo ka fanang ka ona. Tabeng ena, tšebeliso ea matla e tla eketseha ho fihlela e fokotsoa ke moamoheli oa USB. Moeli ona o fapana haholo pakeng tsa baetsi ba lik'homphieutha tse amohelang 'me o itšetlehile ka lintlha tse ngata. Ha e le moeli oa hona joale, hang ha voltagLi-rails li kenella ka tlase ho boleng ba tsona ba lebitso, Zynq e seta bocha ke lets'oao la Power-on Reset mme tšebeliso ea matla e khutlela boleng ba eona bo sa sebetseng. Hape, lits'ebetso tse ling li kanna tsa hloka ho sebetsa ntle le ho hokela koung ea USB ea PC. Maemong ana, ho ka sebelisoa matla a kantle kapa betri.
Motlakase o ka ntle (mohlala, wart wart) o ka sebelisoa ka ho o kenya ka har'a jeke ea motlakase (J18) le ho seta jumper JP5 ho "REG". Phepelo e tlameha ho sebelisa plug ea coax, e bohareng-positive 2.1mm kahare-diameter, 'me e tsamaise 7VDC ho 15VDC. Thepa e loketseng e ka rekoa ho Digilent websebaka sa marang-rang kapa ka barekisi ba li-catalogs joalo ka DigiKey. Phepelo ea matla voltage ka holimo ho 15VDC e ka baka tšenyo e sa feleng. Motlakase o loketseng o ka ntle o kenyelelitsoe le lisebelisoa tsa lisebelisoa tsa Arty Z7.
Joalo ka ho sebelisa phepelo ea motlakase e kantle, betri e ka sebelisoa ho matlafatsa Arty Z7 ka ho e hokela sehokelong sa thebe le ho seta jumper JP5 ho "REG". Seteishene se nepahetseng sa betri se lokela ho hokahanngoa le pini e ngotsoeng "VIN" ho J7, 'me seteishene se fosahetseng se tlameha ho hokahanngoa le pini e ngotsoeng GND () ho J7.
Theboard ea Texas Instruments TPS65400 PMU e etsa lisebelisoa tse hlokahalang tsa 3.3V, 1.8V, 1.5V, le 1.0V ho tsoa ho kenyelletso e kholo ea motlakase. Tafole 1.1 e fana ka tlhaiso-leseling e eketsehileng (maqhubu a tloaelehileng a ipapisitse haholo le phetolo ea Zynq mme litekanyetso tse fanoeng li tloaelehile ka boholo ba seaplane / meralo ea lebelo).
Arty Z7 ha e na sesebelisoa sa motlakase, kahoo ha mohloli oa matla o hokahantsoe 'me o khethoa ka JP5 o tla lula o le teng. Ho seta Zynq bocha ntle le ho hakolla le ho hokela phepelo ea motlakase bocha, ho ka sebelisoa konopo e khubelu ea SRST. Letšoao la matla la LED () (LD13) le ntse le sebetsa ha lisebelisoa tsohle tsa phepelo li fihla bophahamong ba tsona ba lebitsotage.
| Phepelo | Lipotoloho | Current (max/typical) |
| 3.3V | FPGA I / O, likoung tsa USB, lioache, Ethernet, slot ea SD, Flash, HDMI | 1.6A / 0.1A ho 1.5A |
| 1.0V | FPGA, Core ea Ethernet | 2.6A / 0.2A ho 2.1A |
| 1.5V | DDR3 | 1.8A / 0.1A ho 1.2A |
| 1.8V | FPGA Thuso, Ethernet I / O, USB Controller | 1.8A / 0.1A ho 0.6A |
Tafole 1.1. Phepelo ea motlakase ea Arty Z7.
Zynq APSoC Boqapi
Zynq APSoC e arotsoe ka litsamaiso tse peli tse ikhethileng: The Processing System (PS) le Programmable Logic (PL). Setšoantšo sa 2.1 se bontša ho fetaview ea meralo ea meralo ea Zynq APSoC, e nang le botala bo bobebe bo khanyang ba PS le PL ka bosehla. Hlokomela hore PCIe Gen2 controller le Multi-gigabit transceivers ha li fumanehe lisebelisoa tsa Zynq-7020 kapa Zynq-7010. 
(https://reference.digilentinc.com/_detail/zybo/zyng1.png?id=reference%3Aprogrammable-logic%3Aarty-z7%3Areference-manual)
Setšoantšo sa 2.1 Meralo ea Zynq APSoC
PL e batla e ts'oana le Xilinx 7-Series Artix FPGA, ntle le hore e na le likou tse 'maloa tse inehetseng le libese tse e kopanyang ka thata le PS. PL le eona ha e na lisebelisoa tse tšoanang tsa tlhophiso joalo ka FPGA e tloaelehileng ea 7-Series, 'me e tlameha ho hlophisoa ka kotloloho ke processor kapa ka J.TAG boemakepe.
PS e na le likarolo tse ngata, ho kenyeletsoa Setsi sa Ts'ebetso ea Ts'ebetso (APU, e kenyeletsang li-processor tsa 2 Cortex-A9), Advanced Microcontroller Bus Architecture (AMBA) Interconnect, molaoli oa Memori ea DDR3, le balaoli ba fapaneng ba lits'ebetso tse nang le lisebelisoa le litholoana tse ngata tse fuoeng 54 e inehetseng lithakhisa (tse bitsoang Multiplexed I / O, kapa lipallo tsa MIO). Balaoli ba pherese ba se nang lisebelisoa tsa bona le litholoana tse hokahantsoeng le lithakhisa tsa MIO ba ka tsamaisa I / O ea bona ka PL, ka sebopeho sa Extended-MIO (EMIO). Balaoli ba mokhoeng ba hokahane le li-processor e le makhoba ka khokahano ea AMBA mme ba na le li-registry tsa taolo tse ka balehang / tse ka ngolisoang tse fumanehang sebakeng sa mohopolo oa li-processor. Morero o ka hlophisoang o boetse o hokahantsoe le khokahano e le lekhoba, mme meralo e ka kenya tšebetsong li-cores tse ngata ho lesela la FPGA leo e 'ngoe le e' ngoe e nang le lingoliso tsa taolo tse ka rarolloang. Ntle le moo, li-cores tse kentsoeng ts'ebetsong ea PL li ka baka tšitiso ho li-processor (likhokahano tse sa bontšoang ho feiga 3) le ho etsa phihlello ea DMA mohopolong oa DDR3.
Ho na le likarolo tse ngata tsa boqapi ba Zynq APSoC bo ka nqane ho boholo ba tokomane ena. Bakeng sa tlhaloso e felletseng le e phethahetseng, sheba Buka ea tataiso ea Zynq technical EA-585-Z [PDF]
Letlapa la 2.1 le bonts'a likarolo tsa kantle tse hokahaneng le lithakhisa tsa MIO tsa Arty Z7. Litlhophiso tsa Zynq File e fumanoang ho Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start) e ka kenella ho EDK le Vivado Designs ho hlophisa hantle PS hore e sebetse le lisebelisoa tsena.
| MIO 500 3.3 V | Pheripherals |
| Pin | ENET 0 | Flash Flash | USB 0 | Thebe | UART 0 |
| 0 (N / C) | |||||
| 1 | CS () | ||||
| 2 | DQ0 | ||||
| 3 | DQ1 | ||||
| 4 | DQ2 | ||||
| 5 | DQ3 | ||||
| 6 | SCLK () | ||||
| 7 (N / C) | |||||
| 8 | SLCK FB | ||||
| 9 | Pheta Ethernet | ||||
| 10 | Tšitiso ea Ethernet | ||||
| 11 | USB Ho Fetela Hona Joale | ||||
| 12 | Sireletsa Reset | ||||
| 13 (N / C) | |||||
| 14 | Input ea UART | ||||
| 15 | Tlhahiso ea UART |
| MIO 501 1.8V | Pheripherals | ||
| Pin | ENET 0 | USB 0 | Setšoantšo sa 0 |
| 16 | TSOANG | ||
| 17 | EA-0 | ||
| 18 | EA-1 | ||
| 19 | EA-2 | ||
| 20 | EA-3 | ||
| 21 | TSEBO | ||
| 22 | RXCK | ||
| 23 | EA-RXD0 | ||
| 24 | EA-RXD1 | ||
| 25 | EA-RXD2 | ||
| 26 | EA-RXD3 | ||
| 27 | RXCTL | ||
| 28 | DATA | ||
| 29 | DIR | ||
| 30 | STP | ||
| 31 | NXT | ||
| 32 | DATA | ||
| 33 | DATA | ||
| 34 | DATA | ||
| 35 | DATA | ||
| 36 | CLK | ||
| 37 | DATA | ||
| 38 | DATA | ||
| 39 | DATA | ||
| 40 | EA-CCLK | ||
| 41 | CMD | ||
| 42 | D0 | ||
| 43 | D1 | ||
| 44 | D2 | ||
| 45 | D3 | ||
| 46 | PUSELETSO NTSANE | ||
| 47 | CD | ||
| 48 (N / C) | |||
| 49 (N / C) | |||
| 50 (N / C) | |||
| 51 (N / C) | |||
| 52 | MDC | ||
| 53 | MDIO |
Phetoho ea Zynq
Ho fapana le lisebelisoa tsa Xilinx FPGA, lisebelisoa tsa APSoC tse kang Zynq-7020 li entsoe ho pota-pota processor, e sebetsang e le setsebi sa lesela la logic le ka khonehang le lisebelisoa tse ling tsohle tsa on-chip tsamaisong ea ts'ebetso. Sena se etsa hore ts'ebetso ea boot ea Zynq e ts'oana haholo le ea microcontroller ho feta FPGA. Ts'ebetso ena e kenyelletsa ho kenya le ho kenya processor ea Zynq Boot Image, e kenyelletsang Stage Bootloader (FSBL), bitstream bakeng sa ho hlophisa logic e ka khonehang (boikhethelo), le ts'ebeliso ea mosebedisi. The boot process e arotsoe ka metsotso e merarotages:
Stage 0
Kamora hore Arty Z7 e sebelisoe kapa Zynq e hlophisoe bocha (ka software kapa ka ho tobetsa SRST), e mong oa li-processor (CPU0) o qala ho etsa sekhechana sa kahare sa khoutu ea ho bala e bitsoang BootROM. Haeba feela Zynq e ne e sebelisoa feela, BootROM e tla qala ho kenya boemo ba lipini tsa mode ka har'a li-mode register (lithakhisa tsa mofuta li hokeletsoe ho JP4 ho Arty Z7). Haeba BootROM e ntse e etsoa ka lebaka la ketsahalo ea ho seta bocha, joale lithakhisa tsa maemo ha li koalehe, 'me ho sebelisoa boemo ba pejana ba ngoliso ea mefuta. Sena se bolela hore Arty Z7 e hloka potoloho ea matla ho ngodisa phetoho efe kapa efe ho jumper mode Japp4 (JP256). Ka mor'a moo, BootROM e kopitsa FSBL ka mokhoa oa mohopolo o sa tsitsang o boletsoeng ke rejista ea mechini ho XNUMX KB ea RAM ea kahare () ka hare ho APU (e bitsoang On-Chip Memory, kapa OCM). FSBL e tlameha ho phuthetsoa ka Setšoantšo sa Zynq Boot molemong oa hore BootROM e e kopise hantle. Ntho ea hoqetela eo BootROM ee etsang ke ho tlosa FSBL ho OCM.
Stage 1
Nakong ena stage, FSBL e qeta ho hlophisa likarolo tsa PS, joalo ka "momori oa DDR". Joale, haeba bitstream e le teng ho Zynq Boot Image, e baloa le ho sebelisoa ho lokisa PL. Qetellong, ts'ebeliso ea mosebelisi e kenngoa mohopolong ho tsoa ho Zynq Boot Image, 'me ts'ebetso e fetisetsoa ho eona.
Stage 2
Ea ho qetela stage ke ts'ebetso ea ts'ebeliso ea mosebelisi e kentsoeng ke FSBL. Ena e ka ba lenaneo la mofuta ofe kapa ofe, ho tloha ho moralo o bonolo oa "Hello World" ho isa ho Second Stage Bootloader e sebelisetsoa ho qalisa sistimi e sebetsang joalo ka Linux. Bakeng sa tlhaloso e feletseng ea ts'ebetso ea boot, sheba Khaolo ea 6 ea Buka ea Ts'ebeliso ea Teknoloji ea ZynqTšehetso [PDF]).
Setšoantšo sa Zynq Boot se thehiloe bina Vivado le Xilinx Software Development Kit (Xilinx SDK). Ho fumana leseli mabapi le ho etsa setšoantšo sena ka kopo sheba sengoliloeng se fumanehang sa Xilinx bakeng sa lisebelisoa tsena.
Arty Z7 e ts'ehetsa mekhoa e meraro e fapaneng ea boot: microSD, Quad SPI Flash, le JTAG. Mokhoa oa boot o khethiloe ho sebelisoa Mode jumper (JP4), e amang boemo ba lithapo tsa Zynq tsa tlhophiso ka mor'a hore ho sebelisoe matla. Setšoantšo sa 3.1 se bontša kamoo likhoele tsa tlhophiso ea Zynq li hokahaneng joang ho Arty Z7.
(https://reference.digilentinc.com/_detail/reference/programmable-logic/arty-z7/arty-z7-config.png?d=reference%3Aprogrammable-ogic%3Aartyz7%3Areference-manual)
Setšoantšo sa 3.1. Lithakhisa tsa phetisetso ea Arty Z7.
Mefuta e meraro ea boot e hlalositsoe likarolong tse latelang.
Mokhoa oa MicroSD Boot
Arty Z7 e ts'ehetsa ho thunya karete ea MicroSD e kentsoeng sehokelong sa J9. Tsamaiso e latelang e tla u lumella ho bulela Zynq ho microSD ka standard Zynq Boot Image e entsoeng ka lisebelisoa tsa Xilinx:
- Etsa sebopeho sa karete ea microSD ka FAT32 file tsamaiso.
- Kopitsa Zynq Boot Image e entsoeng ka Xilinx SDK ho karete ea MicroSD.
- Fana ka lebitso la Zynq Boot Image ho karete ea microSD ho BOOT.bin.
- Tlosa karete ea MicroSD khomphuteng ea hau ebe ue kenya sehokelong sa J9 ho Arty Z7.
- Tlanya mohloli oa matla ho Arty Z7 ebe u e khetha u sebelisa JP5.
- Beha jumper e le 'ngoe ho JP4, o khutsufatsa lithakhisa tse peli tse holimo (tse ngotsoeng "SD").
- Tlosa boto. Boto e se e tla qalisa setšoantšo kareteng ea MicroSD.
Mokhoa oa Boot oa Quad SPI
Arty Z7 e na le Flash ea 16MB Quad-SPI e palameng eo Zynq e ka qalang ho eona. Litokomane tse fumanehang ho Xilinx li hlalosa mokhoa oa ho sebelisa Xilinx SDK ho hlophisa Zynq Boot Image ho sesebelisoa sa Flash se hoketsoeng ho Zynq. Hang ha Flash ea Quad SPI e se e kentsoe Setšoantšo sa Zynq Boot, ho ka lateloa mehato e latelang ho qala ho eona:
- Tlanya mohloli oa matla ho Arty Z7 ebe u e khetha u sebelisa JP5.
- Beha jumper e le 'ngoe ho JP4, o khutsufatsa lithakhisa tse peli tsa setsi (tse ngotsoeng "QSPI").
- Tlosa boto. Boto joale e tla qala setšoantšo se bolokiloeng ka har'a Flash ea Quad SPI.
JTAG Boot mode
Ha e behiloe ho JTAG boot mode, processor e tla ema ho fihlela software e laoloa ke komporo e amohelang e sebelisa lisebelisoa tsa Xilinx. Ka mor'a hore software e kenngoe, hoa khoneha ho lumella software hore e qale ho sebetsa, kapa ho e feta mola ka mola ho sebelisa Xilinx SDK.
Hape hoa khonahala ho hlophisa PL ka kotloloho holim'a JTAG, e ikemetseng ho processor. Sena se ka etsoa ho sebelisa Vivado Hardware Server.
Arty Z7 e hlophiselitsoe ho qala ho Cascaded JTAG mode, e lumellang PS ho fihlella ka mokhoa o tšoanang oa JTAG boema-kepe joalo ka PL. Hape hoa khoneha ho qalisa Arty Z7 ho Independent JTAG ka ho kenya jumper ho JP2 le ho e khutsufatsa. Sena se tla etsa hore PS e se fumanehe ho tsoa ho JTAG Circry, 'me ke PL feela e tla bonahala ka har'a ketane ea scan. Ho fihlella PS ka JTAG ha a ntse a ipusa JTAG mode, basebelisi ba tla tlameha ho tsamaisa matšoao bakeng sa PJTAG peripheral holim'a EMIO, 'me u sebelise sesebelisoa sa kantle ho buisana le eona.
Flash ea Quad SPI
Arty Z7 e na le khanya ea Quad SPI serial NOR. Spansion S25FL128S e sebelisoa lebokoseng lena. Memori ea Multi-I / O SPI Flash e sebelisetsoa ho fana ka khoutu e sa tsitsang le polokelo ea data. E ka sebelisoa ho qala sisteme ea PS le ho hlophisa sisteme ea PL. Litšobotsi tse loketseng tsa sesebelisoa ke:
- EA-16 MB ()
- x1, x2, le x4 ts'ehetso
- Bese e mathela ho 104 MHz (), e ts'ehetsang litefiso tsa phetolo ea Zynq @ 100 MHz (). Ka mokhoa oa Quad SPI, sena se fetolela ho 400Mbs
- E tsamaisoa ho tloha 3.3V
Flash Flash e hokela ho Zynq-7000 APSoC mme e ts'ehetsa sebopeho sa Quad SPI. Sena se hloka khokahanyo le lithakhisa tse ikhethileng ho MIO Bank 0/500, haholo-holo MIO [1: 6,8] joalo ka ha ho hlalositsoe ho Zynq datasheet. Mokhoa oa karabelo ea Quad-SPI oa sebelisoa, ka hona qspi_sclk_fb_out / MIO [8] e tlohelletsoe ho fapoha ka bolokolohi mme e hokahane feela le sehanyetsi sa ho hula sa 20K ho 3.3V. Sena se lumella maqhubu a oache ea Quad SPI e kholo ho feta FQSPICLK2 (Sheba buka ea Zynq technical Reference
( EA-585-Zynq-7000-TRM [PDF]) bakeng sa tse ling ho sena).
Memori ea DDR
Arty Z7 e kenyelletsa likarolo tsa memori tsa IS43TR16256A-125KBL DDR3 tse hlahisang boemo bo le bong, sebopeho se sephara sa 16-bit, le kakaretso ea 512MiB ea bokhoni. DDR3 e hokahane le molaoli ea thata oa memori ho Processor Subsystem (PS), joalo ka ha ho hlalositsoe litokomaneng tsa Zynq.
PS e kenyelletsa sebopeho sa boema-kepe ba memori ea AXI, molaoli oa DDR, PHY e amanang le eona, le banka ea I / O e inehetseng. Sebopeho sa memori ea DDR3 se fihla ho 533 MHz () / 1066 Mbps li ts'ehelitsoe
Arty Z7 e ile ea tsamaisoa ka 40 ohms (+/- 10%) trace impedance bakeng sa matšoao a felileng, le phapang ea nako le li-strobes tse behiloeng ho 80 ohms (+/- 10%). Karolo e bitsoang DCI (Digitally Controlled Impedance) e sebelisetsoa ho ts'oana le matla a ho khanna le ho emisa ho emisa ha lipini tsa PS ho trace impedance. Ka lehlakoreng la memori, chip e ngoe le e ngoe e lekola ho emisoa ha eona ha motho a e-shoa ebe e khanna matla e sebelisa sesebelisoa sa 240-ohm pineng ea ZQ.
Ka lebaka la mabaka a moralo, lihlopha tse peli tsa data byte (DQ [0-7], DQ [8-15]) li ile tsa fetoloa. Ho ba le phello e ts'oanang, lits'oants'o tsa data tse kahare ho lihlopha tsa byte le tsona li ile tsa fetoloa. Liphetoho tsena li hlakile ho mosebelisi. Nakong ea ts'ebetso eohle ea moralo, litataiso tsa Xilinx PCB li ile tsa lateloa.
Likopi tsa memori le banka ea PS DDR li tsamaisoa ka phepelo ea 1.5V. Tšupiso ea bohareng ba ntlha ea 0.75V e entsoe ka karohano e bonolo ea li-resistor mme e fumaneha ho Zynq joalo ka sebali sa kantle.
Bakeng sa ts'ebetso e nepahetseng, ho bohlokoa hore "memory controller" ea PS e hlophisoe hantle. Litlhophiso li qala ka tatso ea 'nete ho isa ho tieho ea ho latela boto. Bakeng sa boiketlo ba hau, li-presets tsa Zynq file bakeng sa Arty Z7 e fanoa ka setsi sa mehloli
(https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start) 'me e iketsetsa konopo ea Zynq Processing System IP ka mekhahlelo e nepahetseng.
Bakeng sa ts'ebetso e ntle ea DDR3, koetliso ea DRAM e nolofalitsoe bakeng sa ho ngola ho bala, ho bala heke, le ho bala likhetho tsa leihlo la data ho PS Configuration Tool ho lithulusi tsa Xilinx. Koetliso e etsoa ka matla ke molaoli ho ikarabella bakeng sa ho lieha ha boto, ho fapana hoa ts'ebetso le ho chesoa ha mocheso. Mekhoa e metle ea ho qala bakeng sa ts'ebetso ea koetliso ke ho lieha ha boto (ho lieha ha phatlalatso) bakeng sa matšoao a itseng a memori.
Ho lieha ha boto ho boletsoe sehlopheng ka seng sa li-byte. Meeli ena e ikhethile ka boto 'me e baliloe ho tsoa litlalehong tsa bolelele ba PCB. Litekanyetso tsa DQS ho CLK Delay le Board Delay li baloa ka kotloloho ho moralo oa sebopeho sa memori oa Arty Z7 PCB.
Bakeng sa lintlha tse ling mabapi le ts'ebetso ea taolo ea memori, sheba Xilinx Buka ea Ts'ebeliso ea Teknoloji ea Zynq ( EA-585-Zynq-7000-TRM [PDF]).
Maqhubu a nako e phahameng haholo ke 525 MHz () ho Arty Z7 ka lebaka la moeli oa PLL.
Borokho ba USB UART (Serial Port)
Arty Z7 e kenyelletsa borokho ba USB-UART ba FTDI FT2232HQ (e hoketsoeng sehokelong sa J14) se u lumellang ho sebelisa lits'ebetso tsa PC ho
buisana le boto u sebelisa litaelo tse tloaelehileng tsa port port (kapa sebopeho sa TTY ho Linux). Bakhanni ba kenngoa ka bohona ho Windows le mefuta e mecha ea Linux. Datha ea port ea serial e fapanyetsanoa le Zynq e sebelisa boema-kepe bo habeli ba terata (TXD / RXD). Kamora hore bakhanni ba kengoe, litaelo tsa I / O li ka sebelisoa ho tsoa ho PC e lebisitsoeng boema-kepeng ba COM ho hlahisa sephethe-phethe sa data ka har'a lintlha tsa Zynq. Boema-kepe bo tlameletsoe lipini tsa PS (MIO) mme bo ka sebelisoa hammoho le molaoli oa UART.
Li-presets tsa Zynq file (e fumaneha ho Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start))
e hlokomela ho etsa 'mapa oa lithapo tse nepahetseng tsa MIO ho molaoli oa UART 0 mme e sebelisa mekhahlelo e latelang ea protocol: 115200 baud rate, 1 stop bit, ha ho na parity, bolelele ba litlhaku tse 8-bit.
Li-LED tse peli tsa boemo bo holimo li fana ka maikutlo a pono mabapi le sephethephethe se phallang boema-kepeng: LED e fetisang () (LD11) le LED e amohelang () (LD10). Mabitso a matšoao a bolelang tataiso a tsoa ntlheng ea-view ea DTE (Data Terminal Equipment), tabeng ena PC.
FT2232HQ e boetse e sebelisoa e le molaoli oa Digilent USB-JTAG li-circuits, empa USB-UART le USB-JTAG mesebetsi e sebetsa ntle le enngwe. Baqapi ba nang le thahasello ea ho sebelisa ts'ebetso ea UART ea FT2232 ka har'a moralo oa bona ha ba hloke ho tšoenyeha ka J.TAG potoloho e sitisang phetiso ea data ea UART, le ka tsela e fapaneng. Ho kopanngoa ha likarolo tsena tse peli ho sesebelisoa se le seng ho lumella Arty Z7 hore e hlophisoe, e buisane le eona ka UART, le ho tsamaisoa ho tloha khomphuteng e khomaretsoeng ka thapo e le 'ngoe ea Micro USB.
Letšoao la DTR le tsoang ho molaoli oa UART ho FT2232HQ le hokahane le MIO12 ea sesebelisoa sa Zynq ka JP1. Haeba IDdu ea Arduino e ka isoa koung ho ea sebetsa le Arty Z7, jumper ena e ka khutsufatsoa mme MIO12 e ka sebelisoa ho beha Arty Z7 ho "loketse ho amohela setšoantšo se secha". Sena se ka etsisa boits'oaro ba li-boot-loaders tse tloaelehileng tsa Arduino IDE.
SSD Slot
Arty Z7 e fana ka slot ea MicroSD (J9) bakeng sa polokelo ea memori ea kantle e sa tsitsang le ho qala Zynq. Slot e hokahantsoe le Bank 1/501 MIO [40-47], ho kenyeletsoa Card Detect. Ka lehlakore la PS, SDIO 0 e shebaneng le 'mapa e manehiloe ho lithakhisa tsena mme e laola puisano le karete ea SD. Pinout e ka bonoa Lethathamong la 7.1. Molaoli oa pheriferale o tšehetsa mekhoa ea phetisetso ea SD ea 1-bit le 4- bit empa ha e tšehetse mofuta oa SPI. E ipapisitse le Buka ea Ts'ebeliso ea Teknoloji ea Zynq Tšehetso [PDF]), Mokhoa oa ho amohela mohala oa SDIO ke ona feela mokhoa o tšehelitsoeng.
| Lebitso la Letshwao | Tlhaloso | Pin ea Zynq | SD selotong Pin |
| SD_D0 | Boitsebiso [0] | MOEA42 | 7 |
| SD_D1 | Boitsebiso [1] | MOEA43 | 8 |
| SD_D2 | Boitsebiso [2] | MOEA44 | 1 |
| SD_D3 | Boitsebiso [3] | MOEA45 | 2 |
| SD_CCLK | Tshupanako | MOEA40 | 5 |
| SD_CMD | Taelo | MOEA41 | 3 |
| SD_CD | Karete e Lekola | MOEA47 | 9 |
Tafole 7.1. pinout ea microSD
Sekotjana sa SD se tsamaisoa ho tloha 3.3V empa se hoketsoe ka MIO Bank 1/501 (1.8V). Ka hona, motho ea fetohang boemo ba TI TXS02612 o etsa phetolelo ena. TXS02612 ha e le hantle ke 2-port SDIO port expander, empa ho sebelisoa feela mosebetsi oa eona oa ho fetola boemo. Setšoantšo sa khokahano se ka bonoa ho Setšoantšo sa 7.1. Ho etsa 'mapa oa lithakhisa tse nepahetseng le ho hlophisa sebopeho ho sebetsoa ke li-presets tsa Arty 7 Zynq. file, fumaneha ho Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start).
(https://reference.digilentinc.com/_detail/reference/programmable-logic/arty-z7/arty-z7-microsd.png?id=reference%3Aprogrammable-logic%3Aartyz7%3Areference-manual)
Setšoantšo sa 7.1. matšoao a slot ea microSD
Likarete tse lebelo le tlase haholo lia tšehetsoa, 'me maqhubu a oache e holimo ke 50 MHz (). Karete ea Class 4 kapa e betere ke
kgothaletswa.
Sheba karolo ea 3.1 bakeng sa tlhaiso-leseling ea ho bulela karete ea SD. Bakeng sa tlhaiso-leseling e batsi, iteanye le Buka ea Ts'ebeliso ea Teknoloji ea Zynq ( EA-585-Zynq-7000-TRM [PDF]).
Moamoheli oa USB
Arty Z7 e sebelisa e 'ngoe ea li-interface tsa PS USB OTG tse fumanehang ho Zynq. Microchip USB3320 USB 2.0 Transceiver Chip e nang le 8-bit ALPI interface e sebelisoa e le PHY. PHY e na le lebelo le felletseng la HS-USB Physical Front-End le tšehetsang ho fihla ho 480Mbs. PHY e hokahane le MIO Bank 1/501, e fehloang ho 1.8V. Pheriferale ea usb0 e sebelisoa ho PS, e hokahantsoeng ka MIO [28-39]. Sebopeho sa USB OTG se hlophiselitsoe hore se sebetse joaloka moamoheli ea kenelletseng. Mekhoa ea lisebelisoa tsa USB OTG le USB ha e tšehetsoe.
Arty Z7 ha e le hantle ke "moamoheli o kenelletseng" hobane ha e fane ka 150 µF ea bokhoni ho VBUS e hlokahalang hore e tšoanelehe ho ba moamoheli oa sepheo se akaretsang. Hoa khoneha ho fetola Arty Z7 hore e lumellane le litlhoko tse akaretsang tsa moamoheli oa USB ka ho kenya C41 ka 150 µF capacitor. Ke ba nang le boiphihlelo ba ho rekisa likaroloana tse nyane ho li-PCB ba lokelang ho leka ho sebetsa bocha. Lisebelisoa tse ngata tsa pheriferale tsa USB li tla sebetsa hantle ntle le ho kenya C41. Hore na Arty Z7 e hlophisitsoe e le moamoheli o kenelletseng kapa moamoheli ea sepheo se akaretsang, e ka fana ka 500 mA moleng oa 5V VBUS. Hlokomela hore ho kenya C41 ho ka baka hore Arty Z7 e sete bocha ha ho buloa Linux e kentsoeng ha e ntse e sebelisoa koung ea USB, ho sa tsotelehe hore na ho na le sesebelisoa sa USB se hokahantsoeng le koung ea baeti. Sena se bakoa ke ho potlaka hona joale hoo C41 e ho bakang ha molaoli oa moamoheli oa USB a lumelloa mme sesebelisoa sa VBUS sa motlakase se buletsoe.
Hlokomela hore haeba moralo oa hau o sebelisa koung ea USB Host (e kentsoeng kapa ka sepheo se akaretsang), Arty Z7 e lokela ho tsamaisoa ka betri kapa adaptara ea lebota e khonang ho fana ka matla a mangata (joalo ka a kenyellelitsoeng ho kit ea lisebelisoa tsa Arty Z7).
Ethernet PHY
Arty Z7 e sebelisa Realtek RTL8211E-VL PHY ho kenya ts'ebetsong koung ea Ethernet ea 10/100/1000 bakeng sa khokahano ea marang-rang. PHY e hokela ho MIO Bank 501 (1.8V) le likhokahano ho Zynq-7000 APSoC ka RGMII bakeng sa data le MDIO bakeng sa botsamaisi. Lits'oaetso tse thusang tsa ho kena-kenana (INTB) le ho seta bocha (PHYRSTB) li hokela ho lipini tsa MIO MIO10 le MIO9, ka ho latellana.
Setšoantšo sa 9.1. Lipontšo tsa Ethernet PHY
Kamora ho matlafatsa, PHY e qala ka Auto-Negotiation e nolofalitsoe, ho bapatsa lebelo la khokahano la 10/100/1000 le full-duplex. Haeba ho na le molekane ea nang le bokhoni ba Ethernet e hokahantsoeng, PHY e iketsa khokahano le eona, le ha e sa lokisoa ke Zynq.
Li-LED tse peli tsa boemo ba boemo li ka sekepeng haufi le sehokedi sa RJ-45 se bonts'ang sephethephethe (LD9) le sehokelo sa mmuso se sebetsang (LD8). Tafole 9.1 e bonts'a boits'oaro bo sa feleng.
| Mosebetsi | Moqapi | Naha | Tlhaloso |
| LINK | LD8 | Tsitsitseng On | Kopanya 10/100/1000 |
| Ho panya 0.4s ON, 2s OFF | Khokahano, Mokhoa oa Ethernet o Sebetsang hantle oa Energy (EEE) | ||
| KETSAHALO | LD9 | Ho panya | Ho fetisa kapa ho amohela |
Tafole 9.1. Li-LED tsa boemo ba Ethernet.
Zynq e kenyelletsa balaoli ba babeli ba ikemetseng ba Gigabit Ethernet. Ba kenya tšebetsong 10/100/1000 half/full-duplex Ethernet MAC. Har'a tsena tse peli, GEM 0 e ka etsoa 'mapa ho li-MIO pins moo PHY e hokahaneng. Kaha banka ea MIO e tsamaisoa ho tloha 1.8V, sebopeho sa RGMII se sebelisa bakhanni ba 1.8V HSTL Class 1. Bakeng sa maemo ana a I/O, referense ea kantle ea 0.9V e fanoa ka bank 501 (PS_MIO_VREF). Ho etsa 'mapa oa lipini tse nepahetseng le ho hlophisa sebopeho ho sebetsa ke Arty Z7 Zynq Presets. file, fumaneha ho Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start).
Le ha phetisetso ea matla a kamehla ea PHY e kanna ea lekana lits'ebetsong tse ngata, bese ea MDIO e ea fumaneha bakeng sa taolo. RTL8211E-VL e abetsoe aterese ea 5-bit 00001 ka beseng ea MDIO. Ka ngoliso e bonolo ea ho bala le ho ngola litaelo, tlhaiso-leseling ea boemo e ka baloa kapa ho fetoloa phetolo. Realtek PHY e latela 'mapa o tloaelehileng oa ngoliso ea indasteri bakeng sa tlhophiso ea mantlha.
Tlhaloso ea RGMII e hloka hore ho amoheloe (RXC) mme e fetise nako (TXC) ho lieha ho bapisoa le lipontšo tsa data (RXD [0: 3], RXCTL le TXD [0: 3], TXCTL). Litaelo tsa Xilinx PCB le tsona li hloka hore tiiso ena e eketsoe. RTL8211E-VL e khona ho kenya ts'isinyeho ea 2ns ho TXC le RXC ka bobeli e le hore lits'oants'o tsa boto li se hloke ho etsoa nako e telele.
PHY e shebiloe ka nako e tšoanang le 50 MHz () oscillator e shebang Zynq PS. Bokhoni ba likokoana-hloko ba mejaro e 'meli bo tlase ka ho lekana hore bo ka tsamaisoa ho tsoa mohloling o le mong.
Marang-rang a Ethernet, node ka 'ngoe e hloka aterese e ikhethang ea MAC. Ho fihlella sena, sebaka sa nako e le 'ngoe se ka hlophisoang (OTP) sa khanya ea Quad-SPI se hlophisitsoe fekthering ka sesupa-tsela se ikhethileng sa EUI-48/48 ™ lefatšeng ka bophara. Mofuta oa aterese ea OTP [64x0; 20x0] o na le sekhetho se nang le byte ea pele ho odara ea byte e leng atereseng e tlase haholo. Sheba lengolo la Sesebelisoa sa memori ea Flash (http://www.cypress.com/file/177966/download) bakeng sa tlhaiso-leseling ea ho fihlella libaka tsa OTP. Ha o sebelisa Petalinux, sena se sebetsoa ka bohona ho U-boot boot-loader, mme sistimi ea Linux e ikemiselitse ka boiketsetso ho sebelisa aterese ena e ikhethang ea MAC.
Bakeng sa tlhaiso-leseling e batsi mabapi le ho sebelisa Gigabit Ethernet MAC, sheba file ea Buka ea tataiso ea Zynq technical
( EA-585-Zynq-7000-TRM [PDF]).
HDMI
Arty Z7 e na le likou tse peli tsa HDMI tse sa koaeloang: boema-kepe bo le bong J11 (tlhahiso), le boema-kepe bo le bong ba J10 (input). Likou ka bobeli li sebelisa mofuta oa HDMI- Lijana tse nang le data le matšoao a nako li emisitsoe ebe li hokahane ka kotlolloho le Zynq PL.
Lits'ebetso tse peli tsa HDMI le DVI li sebelisa tekanyetso e ts'oanang ea ho tšoaea TMDS, e ts'ehetsoeng ka kotloloho ke ts'ebeliso ea I / O ea mosebelisi oa Zynq PL. Hape, mehloli ea HDMI e tsamaellana le morao le lijana tsa DVI, ka ho tšoanang. Kahoo, li-adapter tse bonolo tse fumanehang (tse fumanehang mabenkeleng a mangata a elektroniki) li ka sebelisoa ho khanna tlhahlobo ea DVI kapa ho amohela kenyelletso ea DVI. Kamohelo ea HDMI e kenyelletsa feela lipontšo tsa dijithale, kahoo ho ka khoneha feela mofuta oa DVI-D.
Lihokelo tsa 19-pin HDMI li kenyelletsa liteishene tse tharo tsa data tse fapaneng, kanale e le 'ngoe ea phapang ea nako GND () likhokahano, bese ea terata e le ngoe ea Consumer Electronics Control (CEC), bese ea terata e bonts'ang li-terata tse peli tsa terata, eo ha e le hantle e leng bese ea I2C, lets'oao la Hot Plug Detect (HPD), lets'oao la 5V le khonang ho fana ka 50mA , le phini e le 'ngoe e boloketsoeng (RES). Lipontšo tsohle tseo e seng tsa motlakase li hokeloe ho Zynq PL ntle le RES.
| Pin/Signal | J11 (mohloli o moholo) | J10 (teba) | ||
| Tlhaloso | FPGA pin | Tlhaloso | FPGA pin | |
| D [2] _P, D [2] _N | Tlhahiso ea data | J18, H18 | Kenya data | N20, P20 |
| D [1] _P, D [1] _N | Tlhahiso ea data | K19, J19 | Kenya data | T20, U20 |
| D [0] _P, D [0] _N | Tlhahiso ea data | K17, K18 | Kenya data | V20, W20 |
| EA-CLK_P, CLK_N | Tlhahiso ea nako | L16, L17 | Ho kenya nako | N18, P19 |
| CEC | Consumer Electronics Control bidirectional (ka boikhethelo) | G15 | Consumer Electronics Control bidirectional (ka boikhethelo) | H17 |
| SCL, SDA | Tlhatlhobo ea DDC (ka boikhethelo) | M17, M18 | Ea mahlakore a mabeli a DDC | U14, U15 |
| HPD / HPA | Hot-plug e tseba ho kenya (inverted, optional) | R19 | Tlhahiso e chesang e chesang | T19 |
Tafole 10.1. Tlhaloso ea pini ea HDMI le kabelo.
Matšoao a TMDS
HDMI / DVI ke segokanyimmediamentsi sa sebolokigolo sa livideo tsa dijithale se lebelo haholo se sebelisang lets'oao la phapang le fokotsehileng la phapang (TMDS). Ho sebelisa e 'ngoe ea likou tsa HDMI hantle, se fetisang kapa se amohelang melao e lumellanang le maemo se hloka ho kengoa tšebetsong ho Zynq PL. Lintlha tsa ho kenya tšebetsong li kantle ho sebaka sa bukana ena. Sheba polokelo ea laeborari ea IP Core ea livideo ho Digitnt GitHub (https://github.com/Digilent) bakeng sa boitsebiso bo loketseng ba ho sebelisoa IP.
Matšoao a thusang
Nako le nako ha sinki e se e loketse mme e lakatsa ho phatlalatsa boteng ba eona, e hokela pini ea phepelo ea 5V0 ho pini ea HPD. Ho Arty Z7, sena se etsoa ka ho khanna leqhubu la Hot Plug Assert. Hlokomela sena se lokela ho etsoa feela kamora hore lekhoba la mocha oa DDC le kenngoe tšebetsong ho Zynq PL mme le ikemiselitse ho fetisa data e bonts'ang.
Display Data Channel, kapa DDC, ke pokello ea melaoana e lumellang puisano lipakeng tsa `` display '' (sink) le adapter ea lits'oants'o. Mofuta o fapaneng oa DDC2B o ipapisitse le I2C, mong'a bese ke eena mohloli 'me lekhoba la bese le teba. Ha mohloli o fumana boemo bo phahameng phakeng ea HPD, e botsa ho teba holim'a bese ea DDC bakeng sa bokhoni ba video. E etsa qeto ea hore na teba e na le bokhoni ba DVI kapa HDMI le hore na ho tšehetsoa liqeto life. Ke ka mor'a moo feela moo phetiso ea video e tla qala. Sheba lintlha tsa VESA E-DDC bakeng sa tlhaiso-leseling e batsi.
Consumer Electronics Control, kapa CEC, ke protocol e ikhethelang e lumellang hore melaetsa ea taolo e fetisoe ka ketane ea HDMI lipakeng tsa lihlahisoa tse fapaneng. Nyeoe e tloaelehileng ea ts'ebeliso ke TV e fetisang melaetsa ea taolo e tsoang sebakeng se hole ho isa ho DVR kapa satellite receiver. Ke protocol ea terata e le ngoe mohatong oa 3.3V e hokahantsoeng le pini ea I / O ea mosebelisi oa Zynq PL. Terata e ka laoloa ka feshene e bulehileng e lumellang lisebelisoa tse ngata ho arolelana terata e tloaelehileng ea CEC. Sheba kenyelletso ea CEC ea HDMI 1.3 kapa lintlha tse ling hamorao bakeng sa tlhaiso-leseling e batsi.
Mehloli ea Clock
Arty Z7 e fana ka 50 MHz () oache ho kenyelletso ea Zynq PS_CLK, e sebelisetsoang ho etsa lioache tsa sistimi e ngoe le e ngoe ea PS. Ba 50 MHz () input e lumella processor hore e sebetse maemong a holimo ho 650 MHz () le DDR3 memory controller ho sebetsa ka boholo ba 525 MHz () (1050 Mbps). Li-presets tsa Arty Z7 Zynq file fumaneha ho Setsi sa Lisebelisoa sa Arty Z7 (https://reference.digilentinc.com/reference/programmable-logic/arty-z7/start) e ka kenoa kahare ho Zynq Processing System IP core morerong oa Vivado ho hlophisa hantle Zynq hore e sebetse le ba 50 MHz () oache ea ho kenya.
PS e na le PLL e ikemiselitseng ho hlahisa lioache tse nne tsa litšupiso, e 'ngoe le e' ngoe e nang le maqhubu a rarolloang, e ka sebelisoang ho shebella mohopolo oa moetlo o sebelisitsoeng ho PL. Ntle le moo, Arty Z7 e fana ka 125 e kantle MHz () oache ea litšupiso ka kotloloho ho pinana H16 ea PL. Oache ea litšupiso e kantle e lumella PL hore e sebelisoe ka botlalo ntle le PS, e ka bang molemo bakeng sa lits'ebetso tse bonolo tse sa hlokeng processor.
PL ea Zynq e boetse e kenyelletsa li-MMCM le li-PLL tse ka sebelisoang ho etsa lioache tse nang le maqhubu a nepahetseng le likamano tsa mekhahlelo. Nako efe kapa efe ho tse nne tsa tshupiso tsa PS kapa tse 125 MHz () oache ea litšupiso e kantle e ka sebelisoa e le sehlahisoa ho li-MMCM le li-PLL. Arty Z7-10 e kenyelletsa li-MMCM tse 2 le li-PLL tse 2, 'me Arty Z7-20 e kenyelletsa li-MMCM tse 4 le tse 4 tsa PLL. Bakeng sa tlhaiso-leseling e felletseng ea lisebelisoa tsa lisebelisoa tsa ts'ebetso tsa Zynq PL, sheba "7 Series FPGAs Clocking Resources Guide Guide" e fumanehang ho Xilinx.
Setšoantšo sa 11.1 se hlakisa sekema sa ts'ebeliso ea nako se sebelisoang ho Arty Z7. Hlokomela hore tlhahiso ea oache ea litšupiso e tsoang ho Ethernet PHY e sebelisoa e le 125 MHz () oache ea litšupiso ho PL, molemong oa ho fokotsa litšenyehelo tsa ho kenyelletsa oscillator e inehetseng molemong oa sena. Hopola hore CLK125 e tla holofala ha Ethernet PHY (IC1) e ts'oaroa ka Hardware reset ka ho khanna lets'oao la PHYRSTB tlase.
Setšoantšo sa 11.1. Nako ea Arty Z7.
I / O ea mantlha
Boto ea Arty Z7 e kenyelletsa li-LED tse peli tse mebala e meraro, li-switch tse 2, li-pushbuttons tse 4, le li-LED tse 4 ka bonngoe joalo ka ha ho bonts'itsoe ho Setšoantšo sa 12.1. Li-pushbuttons le li-switch switch li hokahane le Zynq PL ka li-resistor tsa letoto ho thibela tšenyo e tsoang lipotong tse khuts'oane tse sa tsebeng (potoloho e khuts'oane e ka etsahala haeba phini ea FPGA e fuoeng konopo ea push kapa switch switch e sa hlalosoe e le tlhahiso). Li-pushbutton tse 'nè ke li-switch tsa "motsotsoana" tseo hangata li hlahisang tlhahiso e tlase ha li phomotse, le tlhahiso e phahameng ha feela li hatelloa. Lisebelisoa tsa li-slide li hlahisa likhakanyo tse phahameng kapa tse tlase khafetsa ho latela maemo a tsona.
Setšoantšo sa 12.1. Boholo Z7 GPIO ().
Li-LED tse 'ne tse sebetsang hantle haholo li hokahane le Zynq PL ka li-resistors tsa 330-ohm, kahoo li tla bulela ha molumo o phahameng oa logic.tage e sebelisoa ho phini ea bona ea I/O. Li-LED tse ling tse sa fihlelleheng ke basebelisi li bonts'a hore ho na le matla, boemo ba lenaneo la PL, le boemo ba boema-kepe ba USB le Ethernet.
Li-LED tsa Tri-Colour
Boto ea Arty Z7 e na le li-LED tse peli tse mebala e meraro. Mobala o mong le o mong oa boraro LED () e na le lipontšo tse tharo tsa ho kenya tse tsamaisang li-cathode tsa li-LED tse nyane tse ka hare tse tharo: e 'ngoe e khubelu, e' ngoe e putsoa, 'me e' ngoe e tala. Ho khanna letšoao le tsamaellanang le o mong oa mebala ena holimo ho tla bonesa kahare LED (). Lipontšo tsa ho kenya li tsamaisoa ke Zynq PL ka transistor, e khelosang lipontšo. Ka hona, ho khantša 'mala oa boraro LED (), matšoao a tsamaellanang a hloka ho khanneloa holimo. 'Mala oa boraro LED () e tla ntša 'mala o itšetlehileng ka motsoako oa li-LED tse ka hare tse ntseng li bonesoa. Bakeng sa mohlalaample, haeba matšoao a khubelu le a maputsoa a khannoa holimo 'me botala bo khanneloa tlaase, mebala e meraro LED () e tla ntša 'mala o pherese.
Digilent e khothaletsa ka matla tšebeliso ea ho feto-fetoha ha molumo oa bophara ba pelo (PWM) ha o khanna li-LED tsa mebala e meraro. Ho khannela lisebelisoa life kapa life ho mohopolo o tsitsitseng '1' ho tla fella ka LED () ho bonesoa ka boemo bo khanyang bo sa phuthuloheng. O ka qoba sena ka ho netefatsa hore ha ho na matšoao a mebala e meraro a tsamaisoang ka nako e fetang ea 50%. Ho sebelisa PWM hape ho holisa haholo pente e ka bang teng ea mmala oa mebala e meraro e etelletsoeng pele. Ho fetola mokoloko oa mosebetsi ka 'ngoe ka' ngoe pakeng tsa 50% le 0% ho etsa hore mebala e fapaneng e bonesoe ka matla a fapaneng, e lumellang hoo e batlang e le 'mala ofe kapa ofe hore o bontšoe.
Tlhahiso ea Mono Audio
The onboard audio jack (J13) e tsamaisoa ke Sallen-Key Butterworth Low-pass 4th Order Filter e fanang ka tlhahiso ea molumo oa mono. Potoloho ea filthara e tlase e bontšoa ho Setšoantšo sa 14.1. Kenyelletso ea sefe (AUD_PWM) e hokahane le pin ea Zynq PL R18. Kenyelletso ea dijithale hangata e tla ba lets'oao le bulehileng la pulse-width modulated (PWM) kapa pulse density modulated (PDM) le hlahisoang ke FPGA. Letšoao le hloka ho theoleloa tlase bakeng sa logic '0' 'me le tloheloe ka mokhoa o phahameng oa logic '1'. Sehanyetsi se hulang holim'a boto ho seporo se hloekileng sa analoge 3.3V se tla theha molumo o nepahetsengtage bakeng sa logic '1'. Setlhopha sa phase e tlase se kenyang se tla sebetsa joalo ka sesefa sa ho aha bocha ho fetolela lets'oao la dijithale le fetotsoeng ho pulse-width hore e be molumo oa analog.tage ho tlhahiso ea jack ea molumo.
(Setšoantšo sa 13.1. Phatlalatso ea Phatlalatso ea Audio.
Letšoao la ho koala Audio (AUD_SD) le sebelisetsoa ho koala molumo. E hokahane le Zynq PL pin T17. Ho sebelisa tlhahiso ea molumo, lets'oao lena le tlameha ho khanneloa ho logic e phahameng.
Karabelo ea makhetlo a SK Butterworth Low-Pass Filter e bonts'oa ho Setšoantšo sa 13.2. Tlhahlobo ea AC ea potoloho e etsoa ho sebelisoa NI Multisim 12.0.
Setšoantšo sa 13.2. Likarabo tsa Frequency ea Audio Output.
Ho feto-fetoha ha molumo oa bophara ba pelo
Letšoao la pulse-width-modulated (PWM) ke letoto la li-pulse ka maqhubu a itseng a tsitsitseng, 'me molumo o mong le o mong o ka ba le bophara bo fapaneng. Letšoao lena la dijithale le ka fetisoa ka sefe e bonolo ea phallo e tlase e kopanyang sebopeho sa maqhubu a dijithale ho hlahisa molumo oa analogtage leka-lekaneng ho karolelano ea bophara ba pulse-width ka nako e itseng (nako e khethoa ke 3dB cut-off frequency ea low-pass filter le pulse frequency). Bakeng sa mohlalaample, haeba maqhubu a le holimo bakeng sa karolelano ea 10% ea nako e fumanehang ea pulse, joale motlatsi o tla hlahisa boleng ba analoge e leng 10% ea Vdd vol.tage. Setšoantšo sa 13.1.1 se bontša sebopeho sa maqhubu se emetsoeng e le pontšo ea PWM.
Setšoantšo sa 13.1.1. Phetoho ea PWM.
Letšoao la PWM le tlameha ho kopanngoa ho hlalosa molumo oa analogetage. Leqhubu la 3dB la "low pass filter" le lokela ho ba taelo ea boholo bo tlase ho feta lebelo la PWM e le hore matla a pontšo ho maqhubu a PWM a hloekisoe ho tloha letšoao. Bakeng sa mohlalaample, haeba lets'oao la molumo le tlameha ho ba le tlhaiso-leseling e fihlang ho 5 kHz, joale maqhubu a PWM e lokela ho ba bonyane 50 kHz ('me ka ho khetheha e be holimo). Ka kakaretso, mabapi le botšepehi ba pontšo ea analog, ho phahama ha maqhubu a PWM, ho molemo. Setšoantšo sa 13.1.2 se bonts'a setšoantšo sa sehokahanyi sa PWM se hlahisang matla a tlhahiso.tage ka ho kopanya pulse train. Ela hloko lets'oao la tlhahiso ea filthara e tsitsitseng ampLitude ratio ho Vdd e ts'oana le pulse-width duty cycle (motsamao oa mosebetsi o hlalosoa e le nako ea ho otla ha pelo e phahameng e arotsoe ke nako ea fensetere ea pulse).
Figure 13.1.2. PWM Output Voltage.
Seta mehloli hape
Seta matla hape
Zynq PS e ts'ehetsa matšoao a kantle a ho beha matla bocha. Ho seta botjha ha motlakase ke ho seta bocha ha chip kaofela hantle. Letšoao lena le hlophisa bocha ngoliso e ngoe le e ngoe ho sesebelisoa se khonang ho seta bocha. Arty Z7 e tsamaisa lets'oao lena ho tsoa ho lets'oao la PGOOD la molaoli oa matla oa TPS65400 molemong oa ho ts'oara sisteme ho fihlela phepelo eohle ea motlakase e sebetsa.
Lenaneo la Push Button
PROG push switch, e ngotsoeng PROG, e fetola Zynq PROG_B. Sena se beha PL bocha mme se etsa hore HO QETILE ho hlakisoe. PL e tla lula e sa hlophisoa ho fihlela e hlophisoa bocha ke processor kapa ka JTAG.
Sesebelisoa sa Sisteme ea processor
Sistimi ea kantle e seta bocha, e ngotsoeng SRST, e seta sesebelisoa sa Zynq ntle le ho sitisa tikoloho ea bothata. Bakeng sa mohlalaample, li-breakpoints tse fetileng tse behiloeng ke mosebelisi li lula li sebetsa ka mor'a hore sistimi e hlophisoe bocha. Ka lebaka la matšoenyeho a ts'ireletso, reset ea sistimi e hlakola litaba tsohle tsa memori ka har'a PS, ho kenyeletsoa le OCM. PL e boetse e hlakoloa nakong ea ho tsosolosa tsamaiso. Ho hlophisoa bocha ha sistimi ha ho etse hore likhoele tsa likhoele tsa boot mode li boele li hlophisoeampLED.
Konopo ea SRST e boetse e etsa hore lets'oao la CK_RST le fapohe e le ho qalella ho seta bocha lithebe life kapa life tse hoketsoeng.
Likepe tsa Pmod
Likou tsa Pmod li 2 × 6, lehlakore le letona, lihokelo tsa basali tse 100-mil tse arohaneng tse nyalanang le lihlooho tse tloaelehileng tsa 2 × 6. Boema-kepe bo bong le bo bong ba li-pin tse 12 bo fana ka 3.3V tse peli VCC () lipontšo (pins 6 le 12), lipontšo tse peli tsa Ground (pins 5 le 11), le matšoao a 15.1 a logic, joalo ka ha ho bonts'itsoe ho Setšoantšo sa XNUMX. The VCC () le lithakhisa tsa Ground li ka fana ka 1A ea hajoale, empa tlhokomelo e tlameha ho nkuoa hore e se fete le ha e le ofe oa likhakanyo tsa motlakase tsa balaoli ba sekepeng kapa phepelo ea motlakase e kantle (bona meeli ea hajoale ea seporo sa 3.3V e thathamisitsoeng karolong ea "Phepelo ea Matla") .
(https://reference.digilentinc.com/_detail/reference/programmable-logic/arty-z7/arty-z7-pmod.png?id=reference%3Aprogrammable-logic%3Aartyz7%3Areference-manual)
Setšoantšo sa 15.1. Setšoantšo sa Port Port
Digilent e hlahisa pokello e kholo ea liboto tsa lisebelisoa tsa Pmod tse ka hokelang lihokelong tsa Pmod ho eketsa mesebetsi e itokiselitseng joalo ka A / D's, D / A's, li-motor driver, sensors le mesebetsi e meng. Bona www.digilentinc.com (http://www.digilentinc.com) bakeng sa lintlha tse ling.
Boema-kepe bo bong le bo bong ba Pmod bo fumanoang libotong tsa Digilent FPGA bo oela sehlopheng se le seng sa tse 'ne: standard, MIO e hokahantsoe, XADC, kapa lebelo le phahameng. Arty Z7 e na le likou tse peli tsa Pmod, tseo ka bobeli e leng mofuta o lebelo haholo. Karolo e latelang e hlalosa mofuta o lebelo haholo oa koung ea Pmod.
High-Speed Pmods
Li-Pmod tse lebelo le phahameng li tsamaisoa ke lipontšo tsa bona tsa data e le impedance e tšoanang le lipara tse fapaneng bakeng sa lebelo le fetohang la ho chencha. Li na le mekotla ea ho kenya li-resistor bakeng sa ts'ireletso e eketsehileng, empa likepe tsa Arty Z7 tse nang le tsena tse laetsoeng joalo ka 0-Ohm shunts. Ha li-resistor tsa letoto li koetsoe, li-Pmods tsena ha li fane ka tšireletso khahlano le lipotoloho tse khuts'oane empa li lumella lebelo la ho chencha ka potlako. Matšoao a hokahane le lipontšo tse haufi moleng o le mong: lithakhisa 1 le 2, lithakhisa 3 le 4, lithakhisa 7 le 8, le lithakhisa 9 le 10.
Litsela li tsamaisoa phapang ea 100 ohms (+/- 10%).
Haeba lithakhisa tse koung ena li sebelisoa e le matšoao a sa feleng, lihlopha tse kopaneng li ka bonts'a crosstalk. Liketsong tseo hona le taba e amehang, e 'ngoe ea lipontšo e lokela ho beoa fatše (e tsamaise ka tlase ho FPGA)' me u sebelise bobeli ba eona bakeng sa lets'oao le felisitsoeng ke lets'oao.
Kaha li-Pmods tse Phahameng li na le litheko tsa 0-ohm sebakeng sa lihanyetsi tsa ts'ireletso, mosebelisi o tlameha ho nka mehato ea ho netefatsa hore ha li bake likhutšoane.
Arduino / chipKIT Shield Mohokahanyi
Arty Z7 e ka hokahanngoa le lithebe tse tloaelehileng tsa Arduino le chipKIT ho eketsa ts'ebetso e atolositsoeng. Ho ile ha nkuoa tlhokomelo e khethehileng ha ho ne ho raloa Arty Z7 ho etsa bonnete ba hore e tsamaellana le boholo ba lithebe tsa Arduino le chipKIT 'marakeng. Sehokedi sa thebe se na le lithakhisa tse 49 tse hokahantsoeng le Zynq PL bakeng sa Digital / O-Digital ea sepheo se akaretsang ho Arty Z7-20 le 26 ho Arty Z7-10. Ka lebaka la ho fetoha ha maemo ha FPGAs, ho a khonahala ho sebelisa lithakhisa tsena bakeng sa eng kapa eng ho kenyelletsa ho bala / ho ngola ka dijithale, likhokahano tsa SPI, likhokahano tsa UART, likhokahano tsa I2C le PWM Lithakhisa tse tšeletseng ho tsena (tse ngotsoeng AN0-AN5) le tsona li ka sebelisoa e le lisebelisoa tsa analog tse felileng tse nang le palo ea ho kenya 0V- 3.3V, 'me tse ling tse tšeletseng (tse ngotsoeng AN6-11) li ka sebelisoa e le lipehelo tse fapaneng tsa analog.
Tlhokomeliso: Arty Z7 ha e lumellane le lithebe tse hlahisang lipontšo tsa dijithale kapa tsa analog tsa 5V. Lithipa tsa ho khanna sehokelong sa thebe ea Arty Z7 kaholimo ho 5V li ka baka tšenyo ho Zynq.
(https://reference.digilentinc.com/_media/reference/programmable-logic/arty-z7/arty-z7-shield.png)
Setšoantšo sa 16.1. Setšoantšo sa Shield Pin.
| Pin Lebitso | Tshebetso ya Thebe | Khokahano ea Arty Z7 |
| IO0–IO13 | Lithakhisa tsa I / O tsa morero ka kakaretso | Sheba Karolo e bitsoang "Shield Digital I / O" |
| IO26–IO41, EA (IO42) | Lithakhisa tsa Arty Z7-20 Morero oa I / O ka kakaretso | Sheba Karolo e bitsoang "Shield Digital I / O" |
| SCL | Clock ea I2C | Sheba Karolo e bitsoang "Shield Digital I / O" |
| SDA | Lintlha tsa I2C | Sheba Karolo e bitsoang "Shield Digital I / O" |
| SCLK () | Clock ea SPI | Sheba Karolo e bitsoang "Shield Digital I / O" |
| MOSI () | Lintlha tsa SPI li tsoile | Sheba Karolo e bitsoang "Shield Digital I / O" |
| MISO () | Lintlha tsa SPI ho | Sheba Karolo e bitsoang "Shield Digital I / O" |
| SS | Khetho ea Makhoba a SPI | Sheba Karolo e bitsoang "Shield Digital I / O" |
| A0–A5 | Kenyelletso ea Analog e le 'Ngoe | Sheba Karolo e reng "Shield Analog Analog I / O" |
| A6–A11 | Phapang e fapaneng ea Analog | Sheba Karolo e reng "Shield Analog Analog I / O" |
| Pin Lebitso | Tshebetso ya Thebe | Khokahano ea Arty Z7 |
| V_P, V_N | Keletso e Ikhethileng ea Analog | Sheba Karolo e reng "Shield Analog Analog I / O" |
| XGND | Lebala la Xalog ea XADC | E hokahantsoe le letlooa le sebelisetsoang ho tsamaisa sets'oants'o sa lefatše sa XADC ho Zynq (VREFN) |
| XVREF | XADC Analoge Moqtage Tšupiso | E hoketsoe ho 1.25 V, seporo sa 25mA se sebelisoang ho khanna XADC voltage referense ho Zynq (VREFP) |
| N/C | Ha e Kopanetsoe | Ha e Kopanetsoe |
| IOREF | Digital I/O Moqtage referense | E hokahane le Arty Z7 3.3V Power Rail (Sheba karolo ea "Phepelo ea Matla") |
| RST | Khutlela Shield | E hokahane le konopo e khubelu ea "SRST" le MIO pin 12 ea Zynq. Ha JP1 e khutsufatsoa, e hokahane le lets'oao la DTR la borokho ba FTDI USB-UART. |
| 3V3 | 3.3V Terene ea Matla | E hokahane le Arty Z7 3.3V Power Rail (Sheba karolo ea "Phepelo ea Matla") |
| 5V0 | 5.0V Terene ea Matla | E hokahane le Arty Z7 5.0V Power Rail (Sheba karolo ea "Phepelo ea Matla") |
| GND (), G | Fatše | E hokahane le sefofane sa Ground sa Arty Z7 |
| VIN | Kenyeletso ya Matla | E hokahane ka tsela e ts'oanang le sehokedi sa kantle sa phepelo ea motlakase (J18). |
Tafole 16.1. Litlhaloso tsa Shield Pin.
Sireletsa Digital I / O.
Lithakhisa tse hokahaneng ka kotloloho ho Zynq PL li ka sebelisoa e le litlatsetso kapa liphetho tsa sepheo se akaretsang. Lithakhisa tsena li kenyelletsa I2C, SPI, le lithakhisa tsa I/O tse akaretsang. Ho na le li-resistors tse 200 tsa Ohm lipakeng tsa FPGA le li-pin tsa I/O tsa dijithale ho thusa ho fana ka ts'ireletso khahlano le li-circuits tse khutšoane tsa kotsi (ntle le matšoao a AN5-AN0, a se nang lihanyetsi tsa letoto, le matšoao a AN6-AN12, 100 Ohm letoto resistors). The absolute maximum le kgothaletswa ho sebetsa voltages bakeng sa lithakhisa tsena li hlalositsoe tafoleng e ka tlase.
IO26-IO41 le A (IO42) ha li fumanehe ho Arty Z7-10. Hape, AN0-AN5 e ke ke ea sebelisoa e le Digital I / O ho Arty Z7-10. Sena se bakoa ke lithakhisa tse fokolang tsa I / O tse fumanehang Zynq-7010 ho feta Zynq-7020.
| Absolute Minimum Voltage | Recommended Minimum Operating Voltage | Recommended Maximum Operating Voltage | Boholo Boholo Voltage | |
| Matlafatsoa | -0.4 V | -0.2 V | 3.4 V | 3.75 V |
| Ha e na matla | -0.4 V | N/A | N/A | 0.55 V |
Lethathamo la 16.1.1. Shield Digital Voltages.Ho fumana lintlha tse ling mabapi le litšobotsi tsa motlakase tsa lithakhisa tse hokahaneng le Zynq PL, ka kopo, bona Lethathamo la lintlha tsa Zynq-7000
(ds187-XC7Z010-XC7Z020-Data-Sheet) ho tloha Xilinx.
Sireletsa Analog I / O.
Lithakhisa tse ngotsoeng A0-A11 le V_P/V_N li sebelisoa e le lisebelisoa tsa analog ho module ea XADC ea Zynq. Zynq e lebeletse hore lisebelisoa li tloha ho 0-1 V. Lithapeng tse ngotsoeng A0-A5 re sebelisa potoloho e ka ntle ho fokotsa matla a ho kenya letsoho.tage ho tloha 3.3V. Potoloho ena e bontšoa ho Setšoantšo sa 16.2.1. Potoloho ena e lumella mojule oa XADC ho lekanya ka nepo molumo ofe kapa ofetage pakeng tsa 0V le 3.3V (e amanang le Arty Z7's GND ()) e sebelisitsoeng ho efe kapa efe ea lithakhisa tsena. Haeba u lakatsa ho sebelisa lithakhisa tse ngotsoeng A0-A5 e le lisebelisoa tsa Digital kapa lihlahisoa, li boetse li hokahane ka kotlolloho le Zynq PL pele ho potoloho ea karohano ea resistor (hape e bonts'itsoeng ho Setšoantšo sa 16.2.1) ho Arty Z7-20. Khokahano ena ea tlatsetso ha e etsoe ho Arty Z7-10, ke ka hona lipontšo tsena li ka sebelisoang feela e le lisebelisoa tsa analog ho mofuta oo.
(https://reference.digilentinc.com/_media/reference/programmable-logic/arty-z7/arty-z7-shield-an.png)
Setšoantšo sa 16.2.1. Litlhahiso tsa Analog e le 'ngoe.
Lithakhisa tse ngotsoeng A6-A11 li hokahane ka kotloloho ho lipara tse 3 tsa lithakhisa tse nang le bokhoni ba analoge ho Zynq PL ka sefefo se khahlanong le ho hlaka. Potoloho ena e bontšoa ho Setšoantšo sa 16.2.2. Lipara tsena tsa lithakhisa li ka sebelisoa e le lisebelisoa tse fapaneng tsa analoge ka voltagPhapang pakeng tsa 0-1V. Linomoro tse lekanang li hokahane le lithakhisa tse ntle tsa para, 'me linomoro tse sa tloaelehang li hokahane le li-negative pins (kahoo A6 le A7 li theha li-analog input pair le A6 e le ntle le A7 e le mpe). Hlokomela hore le hoja lipampiri tsa capacitor li le teng, ha li laeloe bakeng sa lithakhisa tsena. Kaha lithakhisa tsa FPGA tse nang le bokhoni ba analog le tsona li ka sebelisoa joalo ka lithakhisa tse tloaelehileng tsa dijithale tsa FPGA, hoa khonahala ho sebelisa likhoele tsena bakeng sa Digital I/O.
Lithakhisa tse ngotsoeng V_P le V_N li hoketsoe ho VP_0 le VN_0 tse fanoeng ke analoge ea FPGA. Para ena ea lithakhisa e ka boela ea sebelisoa e le phapano ea analoge e nang le voltage pakeng tsa 0-1V, empa li ke ke tsa sebelisoa e le Digital I/O. Capacitor potolohong e bontšitsoeng ho Setšoantšo sa 16.2.2 bakeng sa para ena ea lithapo e kenngoa ho Arty Z7.
Setšoantšo sa 16.2.2. Likenyelletso tse fapaneng tsa Analog.
Setsi sa mantlha sa XADC ka har'a Zynq ke sesebelisoa sa li-analog-to-digital tse nang le li-channel tse 12 tse khonang ho sebetsa ho 1 MSPS. Lehae le leng le ka tsamaisoa ke lisebelisoa life kapa life tsa analoge tse hokahaneng le lithakhisa tsa thebe. Setsi sa mantlha sa XADC se laoloa ebile se fumaneha ho tsoa ho moralo oa mosebelisi ka Dynamic Reconfiguration Port (DRP). DRP e boetse e fana ka phihlello ea voltagli-monitor tse teng ho e 'ngoe le e' ngoe ea liporo tsa motlakase tsa FPGA, le sensor ea mocheso e ka hare ho FPGA. Bakeng sa tlhaiso-leseling e batsi mabapi le ho sebelisa motheo oa XADC, sheba tokomane ea Xilinx e bitsoang "7 Series FPGAs and Zynq-7000 All Programmable SoC XADC Dual 12-Bit 1 MSPS Analog-to-Digital Converter". Hape hoa khoneha ho fihlella mantlha ea XADC ka kotloloho u sebelisa PS, ka sebopeho sa "PS-XADC". Sehokelo sena se hlalosoa ka botlalo khaolong ea 30 ea buka ea Zynq
Bukana ea Ts'ebetso ea Tekheniki ( EA-585-Zynq-7000-TRM [PDF]). rm (https://reference.digilentinc.com/tag/rm?do=showtag&tag=rm), ngaka (https://reference.digilentinc.com/tag/doc?do=showtag&tag=doc), arty-z7
(https://reference.digilentinc.com/tag/arty-z7?do=showtag&tag=arty-z7)
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BOTSOANG Boto ea Nts'etsopele ea Arty Z7 [pdf] Bukana ea Mosebelisi Boto ea Nts'etsopele Arty Z7 |
