Lisebelisoa tsa Elektronike IC Chips Lipotoloho Tse Kopantsoeng IC DP83822IFRHBR
E loketse maemo a thata a liindasteri, DP83822 ke kou e le 'ngoe e matla haholo, e nang le matla a tlase a 10/100 Mbps Ethernet PHY.E fana ka mesebetsi eohle ea 'mele e hlokahalang ho fetisa le ho amohela data ka lithapo tse tloaelehileng tse sothehileng, kapa ho hokela ho transceiver ea kantle ea fiber optic.Ntle le moo, DP83822 e fana ka monyetla oa ho hokela MAC ka sebopeho se tloaelehileng sa MII, RMII, kapa RGMII.
DP83822 e fana ka lisebelisoa tse kopaneng tsa tlhahlobo ea lithapo, boitlhahlobo bo hahelletsoeng, le bokhoni ba loopback bakeng sa ts'ebeliso habonolo.E ts'ehetsa li-fieldbus tsa liindasteri tse ngata ka mokhoa oa eona oa ho lemoha ka potlako li-link-down hammoho le Auto-MDIX ka mekhoa e qobelloang.
DP83822 e fana ka mokhoa o mocha le o matla oa ho fokotsa tšebeliso ea matla ka EEE, WoL le mekhoa e meng e lokiselitsoeng ea ho boloka matla.
DP83822 ke tšobotsi e ruileng le pin-to-pin upgradeable kgetho bakeng sa TLK105, TLK106, TLK105L le TLK106L 10/100 Mbps Ethernet PHYs.
DP83822 e tla ka sephutheloana sa VQFN sa 32-pin 5.00-mm × 5.00-mm VQFN.
Litšobotsi tsa Sehlahisoa
| MOFUTA | TLHALOSO |
| Sehlopha | Lipotoloho tse Kopantsoeng (ICs) Interface - E kgethehileng |
| Mfr | Lisebelisoa tsa Texas |
| Letoto | - |
| Sephutheloana | Theipi le Reel (TR) Seha Tape (CT) Digi-Reel® |
| Boemo ba Karolo | E sebetsa |
| Lisebelisoa | Ethernet |
| Sehokedi | MII, RMII |
| Voltage - Phepelo | 1.71V ~ 3,45V |
| Sephutheloana / Taba | 32-VFQFN Ped e pepesitsoeng |
| Sephutheloana sa Sesebelisoa sa Bafani | 32-VQFN (5x5) |
| Mofuta oa ho Beha | Thaba e kaholimo |
| Nomoro ea Sehlahisoa sa Motheo | DP83822 |
Transceiver
Ethernet Fiber Optic Transceiver.
The Ethernet fiber optic transceiver ke mokhoa oa ho fetola li-transparent tse peli tse fanang ka matšoao a data a Ethernet ho matšoao a data a fiber optic, ho lumella matšoao a Ethernet hore a fetisetsoe holim'a likhoele tsa fiber optic ho phunyeletsa moeli oa sebaka sa phetisetso ea 100m, ho etsa hore marang-rang a Ethernet a atolosoe haholo.Khokahano ea data ea fiber optic e na le litšobotsi tsa sebaka se selelele sa puisano, bokhoni bo boholo ba puisano, 'me ha bo khone ho kena-kenana.
Optical fiber e kene maemong ohle a bophelo maemong ohle.Kaha mekhoa ea pele ea marang-rang e itšetlehile ka puisano ea cable, ho hlaha ha li-transceivers tsa fiber optic ho tiisa hore lipontšo tsa motlakase le matšoao a fiber optic li ka fetoloa hantle 'me li loketse mekhoa ea puisano ea thelefono, ho phatlalatsa, marang-rang a marang-rang le libaka tse ling tsa Ethernet tse hlokang maemo a phahameng. lebelo, sephethephethe se phahameng sa data, le ts'ebetso e phahameng le ts'epahalo.
Ethernet PHY
Ethernet PHY ke eng:
PHY (Physical), e ka bitsoang Port Physical Layer ka Sechaena, ke khutsufatso e tloaelehileng ea lera la 'mele la OSI.'Me Ethernet ke sesebelisoa se sebetsang lera la 'mele la mohlala oa OSI.Ethernet PHY ke chip e romellang le ho amohela liforeimi tsa data tsa Ethernet (liforeimi).
Mesebetsi ea Bohlokoa
1. Ho romela data: Ha PHY e romela data, e fumana data e fetisoang ke MAC.E ntan'o fetola data e bapileng hore e be data ea serial stream ebe e kenyelletsa data ho latela melao ea encoding ea 'mele.Qetellong, e fetoha lets'oao la analog mme e romela data.2.
2. PHY e boetse e na le mosebetsi oa bohlokoa oa ho kenya tšebetsong karolo ea mosebetsi oa CSMA/CD.3.
3. PHY e boetse e fana ka mosebetsi oa bohlokoa oa ho hokahanya le sesebelisoa ka lehlakoreng le leng 'me e bontša boemo ba hona joale ba ho hokahanya le boemo ba ho sebetsa ka li-LED.Ha re hokahanya karete ea marang-rang ho thapo, PHY e lula e phunya matšoao ho bona boteng ba lisebelisoa ka lehlakoreng le leng, tse buisanang ka "puo" e tloaelehileng ho buisana le ho fumana lebelo la ho hokahanya, mokhoa oa duplex, hore na sebelisa taolo ea phallo joalo-joalo.Ka tloaelo, sephetho sa puisano ena ke lebelo le phahameng ka ho fetisisa le mokhoa o motle ka ho fetisisa oa duplex o ka tšehetsoang ke lisebelisoa ka bobeli.
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