I-ADI ADIN2111 Ethernetshintshakuzoba umgomo oyinhloko wesingeniso salokhu okuqukethwe okulandelayo. Ngalesi sihloko, umhleli uthemba ukuthi wonke umuntu angaba nolwazi oluthile kanye nokuqonda ngesimo esihlobene nakho kanye nolwazi. Imininingwane imi kanje.
I-ADIN2111 ingamandla aphansi, ubunkimbinkimbi obuphansi, imbobo ye-Ethernet emibilishintshaehlanganisa i-10BASE-T1L PHY kanye nembobo ye-Serial Peripheral Interface (SPI). Idivayisi isebenzisa i-node evimbelwe amandla aphansi yezinhlelo zokusebenza ze-Industrial Ethernet futhi ithobelana nezinga le-IEEE® 802.3cg-2019™ Ethernet lebanga elide elingu-10 Mbps Single Pair Ethernet (SPE). Ishintsha(ukusika udlule noma isitolo uphinde uye phambili) isekela ukulungiselelwa kwekhebula okuningi phakathi kwezimbobo ezimbili ze-Ethernet kanye nembobo yokusingatha ye-SPI, ihlinzeka ngesixazululo esiguquguqukayo somugqa, i-daisy-chain noma i-topology yenethiwekhi yokukhala.
I-ADIN2111 isekela ukufika kwamamitha angu-1700 wekhebula ngokusebenzisa amandla aphansi kakhulu angama-77 mW. Ama-PHY cores amabili asekela ukusebenza kwe-1.0 V pp kanye ne-2.4 V pp njengoba kuchazwe ezingeni le-IEEE 802.3cg futhi anganikwa amandla kusuka kumzila wesitimela owodwa ongu-1.8 V noma ongu-3.3 V. I-ADIN2111 iyatholakala ekucushweni okungaphethwe lapho idivayisi idlulisela khona ngokuzenzakalelayo ithrafikhi phakathi kwezimbobo ezimbili ze-Ethernet.
Idivayisi ihlanganisa ashintsha, ama-cores amabili e-Ethernet layer ngokomzimba (PHY) anezixhumanisi zokulawula ukufinyelela kwemidiya (MAC), nawo wonke ama-analog circuitry ahlotshaniswayo, amadivaysi okufaka nokukhipha kubhafa wewashi. Idivayisi iphinde ihlanganise nolayini bebhafa yangaphakathi, i-SPI namarejista esistimu engaphansi, kanye nokulawula ukulawula ukulawula ukusetha kabusha nokulawula iwashi nokucushwa kwephinikhodi yehadiwe.
I-ADIN2111 ihlanganisa izifunda zokuqapha ukuhlinzekwa kwamandla kagesi kanye nokujikeleza kwamandla okusetha kabusha (i-POR) ukuze kuthuthukiswe ukuqina kwezinga lesistimu. I-SPI yezintambo ezi-4 esetshenziselwa ukuxhumana nomsingathi ingalungiswa njenge-OPEN Alliance SPI noma i-Generic SPI. Zombili lezi zindlela zisekela ukuvikelwa kwedatha okungakhethwa kukho noma Ukuhlolwa Kwe-Cyclic Redundancy (CRC).
I-PHY ngayinye ye-ADIN2111 ingase futhi ilungiselelwe ukukhiqiza ukuphazamiseka kwezingxenyekazi zekhompiyutha ngemva kokusetha kabusha izingxenyekazi zekhompiyutha (RESET pin yehliswe yaba phansi) ngokusetha ibhithi ye-CRSM_HRD_RST_IRQ_EN Kurejista Yemaski Yokuphazamisa Yesistimu ye-PHY (CRSM_IRQ_MASK). Nakuba womabili ama-PHY angasetshenziswa ukukhiqiza ukuphazamiseka kwezingxenyekazi zekhompuyutha, i-PHY 1 inconywa ngale njongo. Ngemuva kokuthi inkosi ye-SPI ithole ukuphazamiseka kwehadiwe kusuka kuphinikhodi ye-INT, ibhithi ye-PHYINT (ngokulandelanayo, i-P2_PHYINT bit) kurejista yesimo 0 (ngokulandelanayo, irejista yesimo 1) nayo isethelwe ku-1, yazisa ukuphazamiseka okuvela ku-PHY 1 (ngokulandelanayo, i-PHY 2) . Umthombo wokuphazamiseka ungabe usuhlolwa kusetshenziswa ibhithi engu-CRSM_HRD_RST_IRQ_LH kurejista ehambisanayo Yesimo Sokuphazamiseka Kwesistimu ye-PHY (CRSM_IRQ_STATUS).
Ukuze kuqinisekiswe uhlelo kusetshenziswa isilawuli sosokhaya sangaphandle, i-PHY ngayinye ye-ADIN2111 ingacelwa ukuthi ikhiqize ukuphazamiseka kwezingxenyekazi zekhompiyutha ephinikhodi ye-INT kusetshenziswa ibhithi ye-CRSM_SW_IRQ_REQ Kurejista Yemaski Yokuphazamiseka Kwesistimu (CRSM_IRQ_MASK). Nakuba womabili ama-PHY angasetshenziswa ukukhiqiza ukuphazamiseka kwezingxenyekazi zekhompuyutha, i-PHY 1 inconywa ngale njongo. Ngemuva kokuthi umphathi we-SPI ethole ukuphazamiseka kwehadiwe kusuka kuphinikhodi ye-INT, ibhithi ye-PHYINT (ngokulandelanayo, i-P2_PHYINT bit) kurejista yesimo 0 (ngokulandelanayo, irejista yesimo 1) nayo isethelwe ku-1, yazisa ukuphazamiseka okuvela ku-PHY 1 (ngokulandelanayo, i-PHY 2) . Umthombo wokuphazamiseka ungabe usuhlolwa kusetshenziswa ibhithi ye-CRSM_SW_IRQ_LH Kurejista Yesimo Sokuphazamiseka Kwesistimu ye-PHY ehambisanayo (CRSM_IRQ_STATUS).
I-ADIN2111 PHY ngayinye ingaphinda ikhiqize ukuphazamiseka kwesistimu. Amafulegi aphazamisayo atholakala esigabeni samabhithi agciniwe se-PHY's System Interrupt Status Register ehambisanayo (CRSM_IRQ_STATUS). Irejista yemaski yokuphazamisa isistimu (CRSM_IRQ_MASK) kufanele ilungiselelwe ku-PHY ehambisanayo ukuze kunikwe amandla ukuphazamiseka kwesistimu. Bheka Ithebula 212 ukuze uthole imininingwane ngokufihla ubuso okuphazamisayo. I-ADIN2111 kufanele ihlelwe kabusha ihadiwe ukuze ilulame kusukela ekuphazamisekeni kwesistimu eyodwa yama-PHY amabili (ibhithi eligodliwe le-CRSM_IRQ_STATUS lifundeka 1 ku-PHY ngayinye).
I-ADIN2111 ihlanganisa umjikelezo wokuqapha ukunikezwa kwamandla ukuze kuqinisekiswe ukuthi i-chip ine-voltage efanele ngaphambi kokuqala ukulandelana kokuphakama kwamandla. Ngesikhathi sokwenyusa amandla, i-ADIN2111 ihlala isesimweni sokusetha kabusha izingxenyekazi zekhompiyutha kuze kube yilapho ukunikezwa ngakunye kweqa umkhawulo ophansi okhuphukayo futhi ukunikezwa kuthathwa njengokuhle.
Ukusetha kabusha izingxenyekazi zekhompuyutha kuqaliswa yisekethe yokusetha kabusha amandla okukhanyisa noma ngokushayela iphinikhodi ye-RESET ibe phansi okungenani ngo-10 µs. I-ADIN2111 ifaka isekethe ye-deglitch kule phini ukuze yenqabe amapulse amafushane kuno-1 µs. Uma iphinikhodi ye-RESET ikhishwa, zonke izikhonkwane ze-input/output (I/O) zihlala kumodi ye-tri-state, izikhonkwane zokucushwa kwehadiwe ziyaxhunywa, futhi izikhonkwane ze-I/O zilungiselelwa kumodi yazo yokusebenza. Isekhethi ye-crystal oscillator inikwa amandla uma zonke izinsiza zamandla zangaphandle nezangaphakathi zivumelekile futhi zizinzile. Ngemuva kokuthi ikristalu iqale futhi izinzile, iluphu evaliwe yesigaba (PLL) iyanikwa amandla. Ngemva kokulibaziseka okungu-90 ms (ubukhulu) ngemva kokukhishwa kwephinikhodi ye-RESET, wonke amawashi angaphakathi ayagonyelwa, ingqondo yangaphakathi iyakhululwa ekusethweni kabusha, futhi wonke amarejista angaphakathi e-SPI, PHY 1 kanye ne-PHY 2 ayatholakala ku-SPI. Okukhiphayo kwewashi le-CLK25_REF kubanjelwa phansi lapho iphinikhodi ye-RESET ithathwa phansi futhi ihlala iphansi ngo-70 ms (ubukhulu) ngemva kokuthi iphinikhodi ye-RESET yehliselwe phansi.
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