intel AN 837 Jagororin ƙira don HDMI FPGA IP

Jagororin ƙira don HDMI Intel® FPGA IP

Jagororin ƙira suna taimaka muku aiwatar da Babban Ma'anar Multimedia Interface (HDMI) Intel FPGA IPs ta amfani da na'urorin FPGA. Waɗannan jagororin suna sauƙaƙe ƙirar allo don haɗin haɗin bidiyo na HDMI Intel® FPGA IP.

Bayanai masu alaƙa

• HDMI Intel FPGA IP Jagorar Mai amfani
• AN 745: Jagoran ƙira don Interface FPGA DisplayPort Interface

HDMI Intel FPGA IP Jagorar Tsara

Fasahar HDMI Intel FPGA tana da bayanan Canjin Siginar Rarraba (TMDS) da tashoshi na agogo. Har ila yau, keɓancewar yana ɗauke da Ƙungiyar Ma'aunin Lantarki na Bidiyo (VESA) Nuni Tashar Bayanai (DDC). Tashoshin TMDS suna ɗaukar bidiyo, sauti, da bayanan taimako. DDC ta dogara ne akan ka'idar I2C. HDMI Intel FPGA IP core yana amfani da DDC don karanta Extended Nuni Identification Data (EDID) da musayar sanyi da bayanin matsayi tsakanin tushen HDMI da nutsewa.

HDMI Intel FPGA IP Board Design Tips

Lokacin da kuke tsara tsarin HDMI Intel FPGA IP ɗin ku, yi la'akari da shawarwarin ƙirar allo masu zuwa.

• Yi amfani da ba fiye da biyu ta kowace alama ba kuma ka guji ta stubs
• Daidaita bambance-bambancen nau'i biyu na impedance zuwa impedance na mai haɗawa da haɗin kebul (100 ohm ± 10%)
• Rage skew tsakanin-biyu da intra-biyu don saduwa da buƙatun skew siginar TMDS
• Ka guji karkatar da nau'i-nau'i daban-daban akan rata a cikin jirgin ƙasa
• Yi amfani da daidaitattun ayyuka na ƙira na PCB mai tsayi
• Yi amfani da masu canza matakin don saduwa da ƙayyadaddun wutar lantarki a duka TX da RX
• Yi amfani da igiyoyi masu ƙarfi, kamar kebul na Cat2 don HDMI 2.0

Siffofin Tsari

Zane-zanen tsari na Bitec a cikin hanyoyin haɗin yanar gizon da aka bayar suna kwatanta abubuwan da suka shafi al'amuran ci gaban Intel FPGA. Yin amfani da topology na haɗin gwiwar HDMI 2.0 yana buƙatar ku cika ka'idodin lantarki na 3.3 V. Don saduwa da ƙa'idodin 3.3 V akan na'urorin Intel FPGA, kuna buƙatar amfani da madaidaicin matakin. Yi amfani da mai sakewa mai haɗakarwa da DC ko mai ritaya a matsayin mai canzawa matakin mai watsawa da mai karɓa.

Na'urorin dillalai na waje sune TMDS181 da TDP158RSBT, dukansu suna gudana akan hanyoyin haɗin gwiwar DCcoupled. Kuna buƙatar haɓaka mai kyau a layukan CEC don tabbatar da aiki yayin aiki tare da sauran na'urorin sarrafa nesa na mabukaci. Zane-zanen tsarin Bitec an tabbatar da CTS. Takaddun shaida, ko da yake, ƙayyadaddun matakin samfur ne. Ana shawartar masu zanen dandamali don tabbatar da samfurin ƙarshe don ingantaccen aiki.

Bayanai masu alaƙa

• Zane-zane na HSMC HDMI Bita Katin 'Yar Mata 8
• Jadawalin Tsari don FMC HDMI Bita Katin 'Yar Mata 11
• Jadawalin Tsari don FMC HDMI Bita Katin 'Yar Mata 6

Gano Hot-Plug (HPD)

Siginar HPD ya dogara da siginar wutar +5V mai shigowa, don misaliampHar ila yau, ana iya tabbatar da fil ɗin HPD kawai lokacin da aka gano siginar Wutar +5V daga tushen. Don yin mu'amala da FPGA, kuna buƙatar fassara siginar 5V HPD zuwa FPGA I/O vol.tage matakin (VCCIO), ta amfani da voltage matakin mai fassara kamar TI TXB0102, wanda ba ya da jujjuyawar da aka haɗa. Madogarar HDMI tana buƙatar saukar da siginar HPD ta yadda zai iya dogaro da gaske bambance tsakanin siginar HPD mai iyo da babban vol.tagHPD siginar e. Dole ne a fassara siginar wutar lantarki ta HDMI nutsewa +5V zuwa FPGA I/O voltage matakin (VCCIO). Dole ne a ja da siginar da rauni tare da resistor (10K) don bambanta siginar wutar lantarki +5V mai iyo yayin da ba ta hanyar HDMI tushe ba. Siginar wutar lantarki + 5V tushen HDMI yana da kariya fiye da na yanzu wanda bai wuce 0.5A ba.

HDMI Intel FPGA IP Nuni Data Channel (DDC)

HDMI Intel FPGA IP DDC ya dogara ne akan siginar I2C (SCL da SDA) kuma suna buƙatar masu jujjuyawar cirewa. Don yin mu'amala da Intel FPGA, kuna buƙatar fassara 5V SCL da matakin siginar SDA zuwa FPGA I/O voltage matakin (VCCIO) ta amfani da voltage mai fassarar matakin, kamar TI TXS0102 kamar yadda aka yi amfani da shi a cikin katin 'yar Bitec HDMI 2.0. TI TXS0102 voltagNa'urar fassarar matakin e tana haɗa resistors na ciki ta yadda ba a buƙatar resistors na kan jirgi.

Tarihin Bita na Takardu don AN 837: Jagororin ƙira don HDMI Intel FPGA IP

Sigar Takardu	Canje-canje
2019.01.28	An sake suna HDMI IP sunan kamar yadda Intel rebranding. Ya kara da Siffofin Tsari Sashen da ke bayyana zane-zane na Bitec da aka yi amfani da su tare da allunan FPGA na Intel. Ƙara hanyar haɗi zuwa zane mai tsarawa don Biec FMC HDMI katin bita 11. An ƙara ƙarin shawarwarin ƙira a cikin HDMI Intel FPGA IP Board Design Tips sashe.

 

Kwanan wata	Sigar	Canje-canje
Janairu 2018	2018.01.22	Sakin farko. Lura: Wannan takaddar ta ƙunshi jagororin ƙira na HDMI Intel FPGA waɗanda aka cire daga AN 745: Sharuɗɗan ƙira don DisplayPort da HDMI Interfaces kuma an sake masa suna AN 745: Jagororin ƙira don Intel FPGA DisplayPort Interface.

Kamfanin Intel. An kiyaye duk haƙƙoƙi. Intel, tambarin Intel, da sauran alamun Intel alamun kasuwanci ne na Kamfanin Intel Corporation ko rassan sa. Intel yana ba da garantin aikin FPGA da samfuran semiconductor zuwa ƙayyadaddun bayanai na yanzu daidai da daidaitaccen garanti na Intel amma yana da haƙƙin yin canje-canje ga kowane samfuri da sabis a kowane lokaci ba tare da sanarwa ba. Intel ba ya ɗaukar wani nauyi ko alhaki da ya taso daga aikace-aikacen ko amfani da kowane bayani, samfur, ko sabis da aka kwatanta a nan sai dai kamar yadda Intel ya yarda da shi a rubuce. An shawarci abokan cinikin Intel su sami sabon sigar ƙayyadaddun na'urar kafin su dogara ga kowane bayanan da aka buga kuma kafin sanya oda don samfur ko ayyuka.

Ana iya da'awar wasu sunaye da alamun a matsayin mallakin wasu.

ID: 683677
Siga: 2019-01-28

Takardu / Albarkatu

intel AN 837 Jagororin ƙira don HDMI FPGA IP [pdf] Jagorar mai amfani AN 837 Jagororin ƙira don HDMI FPGA IP, AN 837, Jagororin ƙira don HDMI FPGA IP, Jagororin don HDMI FPGA IP, HDMI FPGA IP

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