Electronic Cheebtsam IC Chips Integrated Circuits IC DP83822IFRHBR

luv luv piav qhia:

Qhov zoo tshaj plaws rau kev lag luam hnyav, DP83822 yog lub zog muaj zog, tsis tshua muaj zog ib qho chaw nres nkoj 10/100 Mbps Ethernet PHY.Nws muab tag nrho cov txheej txheem lub cev uas xav tau los xa thiab tau txais cov ntaub ntawv tshaj tus qauv twisted-pair cables, lossis txuas mus rau sab nraud fiber ntau optic transceiver.Tsis tas li ntawd, DP83822 muab kev hloov pauv mus rau MAC los ntawm tus qauv MII, RMII, lossis RGMII interface.

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Khoom cim npe

DP83822 muaj cov cuab yeej kuaj kab mob sib xyaw ua ke, ntsuas tus kheej ua ke, thiab muaj peev xwm rov qab siv tau yooj yim.Nws txhawb nqa ntau lub tsheb thauj mus los nrog nws qhov ceev txuas-down nrhiav kom tau raws li Auto-MDIX hauv kev yuam hom.

DP83822 muaj txoj hauv kev tshiab thiab muaj zog rau kev txo qis kev siv hluav taws xob los ntawm EEE, WoL thiab lwm hom kev txuag hluav taws xob.

DP83822 yog ib qho kev nplua nuj thiab tus pin-rau-tus pin hloov kho kev xaiv rau TLK105, TLK106, TLK105L thiab TLK106L 10/100 Mbps Ethernet PHYs.

DP83822 los hauv 32-pin 5.00-mm × 5.00-mm VQFN pob.

Yam khoom

HOM	Kev piav qhia
Qeb	Integrated Circuits (ICs) Interface - Tshwj xeeb
Mfr	Texas Instruments
Series	-
Pob	Daim kab xev & Reel (TR) Daim kab xev (CT) Digi-Reel®
Tshooj xwm txheej	Active
Daim ntawv thov	Ethernet
Interface	MII, RM II
Voltage - Khoom siv	1.71V ~ 3.45V
Pob / Case	32-VFQFN nthuav tawm Pad
Cov Khoom Muag Khoom Pob	32-VQFN (5x5)
Mounting Hom	Nto Mount
Base Product Number	wb 83822

Transceiver

Ethernet Fiber Optic Transceiver.
Ethernet fiber optic transceiver yog ob-txoj kev pob tshab converter uas muab Ethernet cov ntaub ntawv teeb liab rau fiber ntau optic cov ntaub ntawv teeb liab, tso cai rau Ethernet teeb liab kis tau los ntawm fiber ntau optic kab kom tawg los ntawm 100m kis tau tus mob nyob deb txwv, ua Ethernet network kev pab cuam zoo heev.Fiber optic cov ntaub ntawv kev sib txuas lus muaj cov yam ntxwv ntawm kev sib txuas lus ntev, kev sib txuas lus loj cov ntaub ntawv muaj peev xwm, thiab tsis cuam tshuam rau kev cuam tshuam.
Optical fiber tau nkag mus rau txhua qhov chaw ntawm lub neej ntawm txhua qib.Raws li tus thawj network systems raws li kev sib txuas lus cable, qhov tshwm sim ntawm fiber ntau optic transceivers xyuas kom meej tias cov teeb liab hluav taws xob thiab fiber ntau optic teeb liab yuav hloov mus rau ib leeg thiab tsim nyog rau kev sib txuas lus, tshaj tawm, broadband tes hauj lwm, thiab lwm yam Ethernet ib puag ncig uas xav tau siab. ceev, siab cov ntaub ntawv tsheb, thiab kev ua haujlwm siab thiab kev ntseeg siab.

Ethernet PHY

Ethernet PHY yog dab tsi:
PHY (Lub Cev), uas tuaj yeem hu ua Port Physical Layer hauv Suav, yog ib qho lus luv rau OSI qauv lub cev txheej.Thiab Ethernet yog ib qho khoom siv uas ua haujlwm ntawm lub cev ntawm OSI qauv.Ib qho Ethernet PHY yog lub nti uas xa thiab tau txais Ethernet cov ntaub ntawv thav duab (thav duab).

Muaj nuj nqi tseem ceeb

1. Xa cov ntaub ntawv: Thaum PHY xa cov ntaub ntawv, nws tau txais cov ntaub ntawv xa los ntawm MAC.Nws mam li hloov cov ntaub ntawv thaum uas tig mus rau hauv cov ntaub ntawv kwj dej thiab tom qab ntawd encodes cov ntaub ntawv raws li lub cev txheej txheej encoding cov cai.Thaum kawg, nws dhau los ua lub teeb liab analog thiab xa cov ntaub ntawv tawm.2.
2. PHY tseem muaj lub luag haujlwm tseem ceeb ntawm kev siv ib feem ntawm CSMA/CD muaj nuj nqi.3.
3. Lub PHY tseem muab cov haujlwm tseem ceeb ntawm kev sib txuas nrog cov cuab yeej ntawm sab nraud thiab qhia nws cov xwm txheej tam sim no thiab kev ua haujlwm ntawm LEDs.Thaum peb txuas ib daim npav network mus rau ib lub cable, PHY tas li pulses cov teeb liab los kuaj pom cov khoom siv ntawm sab nraud, uas sib txuas lus nrog ib leeg hauv tus qauv "lus" los sib tham thiab txiav txim siab qhov kev sib txuas ceev, hom duplex, seb puas yog. siv kev tswj dej ntws thiab lwm yam.Feem ntau, qhov tshwm sim ntawm qhov kev sib tham no yog qhov siab tshaj plaws thiab qhov zoo tshaj plaws duplex hom uas tuaj yeem txhawb nqa los ntawm ob qho khoom siv.

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