ADI ADIN2111 Ethernetbeddelowaxay noqon doontaa shayga hordhaca ah ee nuxurka soo socda. Maqaalkan, tafatiruhu wuxuu rajeynayaa in qof kastaa uu yeelan karo xoogaa aqoon iyo faham xaaladdiisa iyo macluumaadka la xiriira. Faahfaahinta waa sidan.
ADIN2111 waa awood hoose, kakanaanta hoose, laba deked Ethernetbeddelokaas oo isku xidha 10BASE-T1L PHY iyo deked xidhiidhineed oo xidhiidhsan (SPI). Qalabku waxa uu u isticmaalayaa qanjidh yar oo xaddidan codsiyada warshadaha Ethernet waxana uu u hoggaansamaa heerka IEEE® 802.3cg-2019™ Ethernet masaafada dheer 10 Mbps Single Pair Ethernet (SPE). Thebeddelo(la gooyay ama bakhaar-iyo-horumar) waxay taageertaa isku-habaynta fiilooyinka badan ee u dhexeeya labada dekedood ee Ethernet iyo dekedda martida loo yahay ee SPI, oo bixisa xal dabacsan oo loogu talagalay khadka, silsilad-silsiladda ama giraanta shabakada topologies.
ADIN2111 waxay taageertaa ilaa 1700 mitir oo fiilada la gaari karo iyadoo la isticmaalayo koronto aad u hooseeya oo ah 77mW. Labada koor ee PHY-ga waxay taageeraan hawlgalka 1.0 V pp iyo 2.4 V pp sida lagu qeexay heerka IEEE 802.3cg waxaana lagu xoojin karaa hal 1.8 V ama 3.3 V tareemada saadka. ADIN2111 waxa lagu heli karaa habayn aan la maamulin halkaas oo qalabku si toos ah ugu gudbiyo taraafikada labada dekedood ee Ethernet.
Qalabku wuxuu isku daraa abeddelo, laba lakabka jirka ah ee Ethernet (PHY) oo leh kontoroolka marin-u-helidda warbaahinta (MAC), iyo dhammaan qalabka isku-xidhka analogga ah ee la xidhiidha, qalabka wax-gelinta iyo saacadda wax-soo-saarka. Qalabku waxa kale oo ka mid ah safafka kaydinta gudaha, SPI iyo diiwaanka nidaamka hoose, iyo xakamaynta macquulka ah si loo maareeyo dib u dajinta iyo xakamaynta saacada iyo qaabaynta biinanka qalabka.
ADIN2111 wuxuu isku daraa wareegga kormeerka sahayda korantada iyo wareegga korantada dib-u-dejinta (POR) si loo hagaajiyo xoojinta heerka nidaamka. 4-fire SPI ee loo isticmaalo in lagula xidhiidho martigeliyaha waxa loo habayn karaa OPEN Alliance SPI ama Generic SPI. Labada habba waxay taageeraan ilaalinta xogta ikhtiyaarka ah ama Hubinta Dib-u-celinta Cyclic (CRC).
PHY kasta oo ka mid ah ADIN2111 waxa kale oo loo habayn karaa si uu u dhaliyo carqaladaynta qalabka ka dib dib-u-dejinta qalabka (RESET pin hoos ayuu u dhacay) iyada oo la dejinayo CRSM_HRD_RST_IRQ_EN qaniinyada PHY ee u dhiganta Diiwaanka Maaskarada Joojinta Maaskarada (CRSM_IRQ_MASK). In kasta oo labada PHYs loo isticmaali karo in lagu dhaliyo carqaladaynta qalabka, PHY 1 ayaa lagula talinayaa ujeedadan. Ka dib markii sayidkii SPI uu ka helo carqaladaynta qalabka INT pin, waxoogaa PHYINT ah (sida ay u kala horreeyaan, P2_PHYIN) ee ku jira heerka diiwaanka 0 ( siday u kala horreeyaan, heerka diiwaanka 1) ayaa sidoo kale loo dejiyay 1, ogeysiinta joojinta PHY 1 ( siday u kala horreeyaan, PHY 2) Isha joojinta ayaa markaa la hubin karaa iyadoo la isticmaalayo CRSM_HRD_RST_IRQ_LH qaniinyada u dhiganta Diiwaanka Xaaladda Joojinta ee PHY (CRSM_IRQ_STATUS).
Xaqiijinta nidaamka iyada oo la isticmaalayo kontaroolaha martigeliyaha dibadda, PHY kasta oo ADIN2111 ah waxaa laga codsan karaa in uu soo saaro qalab ka gooya pin-ka INT iyada oo la isticmaalayo CRSM_SW_IRQ_REQ bit ee Diiwaanka Maaskarada Joojinta Nidaamka (CRSM_IRQ_MASK). In kasta oo labada PHYs loo isticmaali karo in lagu dhaliyo carqaladaynta qalabka, PHY 1 ayaa lagula talinayaa ujeedadan. Ka dib markii sayidkii SPI uu ka helo carqaladaynta qalabka INT pin, waxoogaa PHYINT ah (sida ay u kala horreeyaan, P2_PHYIN) ee ku jira heerka diiwaanka 0 ( siday u kala horreeyaan, heerka diiwaanka 1) ayaa sidoo kale loo dejiyay 1, ogeysiinta joojinta PHY 1 ( siday u kala horreeyaan, PHY 2) Isha joojinta ayaa markaa la hubin karaa iyadoo la isticmaalayo CRSM_SW_IRQ_LH qaniinyada u dhiganta Diiwaanka Xaaladda Joojinta ee PHY (CRSM_IRQ_STATUS).
Mid kasta oo ADIN2111 PHY ah waxa kale oo uu dhalin karaa cillad habaysan. Calamada kala goynta waxay ku yaalaan qaybta qashin qubka ee u dhiganta PHY's System Status Status Register (CRSM_IRQ_STATUS). Nidaamku diiwangelinta maaskaro-ka-hortagga (CRSM_IRQ_MASK) waa in lagu habeeyaa PHY-ga u dhiganta si loo suurtageliyo khaldaadka nidaamka. Fiiri Shaxda 212 wixii tafaasiil ah ee ku saabsan waji-xidhka joojinta. ADIN2111 waa in lagu sameeyaa dib u dajin qalabeed si uu uga soo kabsado qaladka nidaamka ka go'ay mid ka mid ah labada PHY ( CRSM_IRQ_STATUS waxay ku akhrinaysaa 1 dhinacyada PHY).
ADIN2111 waxaa ku jira wareegga kormeerka sahayda korontada si loo hubiyo in chip-ku leeyahay sahayda saxda ah ka hor inta aan la bilaabin taxanaha awoodda. Inta lagu jiro korontadu, ADIN2111 waxa ay ku sii jiraysaa xaalad dib u dejineed qalabeed ilaa sahay kasta uu dhaafo heerka ugu yar ee kor u kaca oo sahayda loo arko mid wanaagsan.
Dib-u-dejinta qalabka waxa bilaabay wareegga dib-u-dejinta korontadu kujiro ama iyada oo ku waditaanka pin-ka RESET hoose ugu yaraan 10 µs. ADIN2111 waxaa ku jira wareegga deglitch ee biinkan si loo diido garaacyada ka gaaban 1 µs. Marka biinanka RESET la macmalay, dhammaan wax-soo-saarka (I/O) biinanka ayaa ku sii jiraya qaabka saddex-state, biinanka qaabeynta qalabka waa la xiray, biinanka I/O waxaa loo habeeyey qaabkooda shaqo. Wareegga oscillator-ka crystal waa la damci karaa marka dhammaan sahayda korantada ee dibadda iyo gudaha ay sax yihiin oo deggan yihiin. Ka dib markii crystal-ku bilaabmo oo uu dejiyo, wareegga-xiran ee loop (PLL) waa la damciyaa. Ka dib dib u dhac 90 ms (max) ka dib markii pin-ka RESET la macmalay, dhammaan saacadaha gudaha waa la sheegaa, caqliga gudaha ayaa dib loo dajiyay, dhammaan diiwaanada SPI, PHY 1 iyo PHY 2 waa laga heli karaa SPI. Wax soo saarka saacada CLK25_REF waa la hayaa hooseeyo marka biinka RESET hoos loo dhigo oo uu hooseeyo ilaa 70 ms (max) ka dib marka pin RESET hoos loo dhigo.
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