DS90UB914ATRHSRQ1 QFN DS90UB914ATRHSRQ1 E Ncha ea Pele ea Mohloli Le Morekisi RE LOKELA LIKOPELO TSE KHOLO

A Serializer/Deserializer (SerDes) ke para ea li-blocks tse sebetsang tse sebelisoang hangata likhokahanong tse lebelo le phahameng ho lefella ho kenya letsoho/ho tsoa.Li-blocks tsena li fetolela data lipakeng tsa data ea serial le li-interfaces tse tšoanang ka lehlakoreng le leng.Lentsoe "SerDes" ka kakaretso le bolela likhokahano tse sebelisoang mahlaleng le lits'ebetsong tse fapaneng.Tšebeliso ea mantlha ea SerDes ke ho fana ka phetiso ea data ka mohala o le mong kapa apara e fapanenge le ho fokotsa palo ea li-I/O le likhokahanyo.

Mosebetsi oa motheo oa SerDes o entsoe ka li-blocks tse peli tse sebetsang: block ea Parallel In Serial Out (PISO) (aka Parallel-to-Serial converter) le Serial In Parallel Out (SIPO) block (aka Serial-to-Parallel converter).Ho na le meaho e 4 e fapaneng ea SerDes: (1) Parallel clock SerDes, (2) Embedded clock SerDes, (3) 8b/10b SerDes, (4) Bit interleaved SerDes.

Sebaka sa PISO (Parallel Input, Serial Output) hangata se na le kenyeletso ea oache e bapileng, sete ea mela ea ho kenya data, le lithapo tsa data tse kentsoeng.E ka 'na ea sebelisa ka hare kapa ka ntlephase-locked loop (PLL)ho atisa tshupanako e kenang e bapileng ho fihla ho maqhubu a seriale.Mofuta o bonolo oa PISO o na le e le 'ngoerejistara ea ho fetohae amohelang data e bapileng hang ka oache e bapileng, ebe e e tlosa ka sekhahla se phahameng sa serial oache.Ts'ebetsong e ka boela ea sebelisa ae buffer habelingodisa ho qobabotsitsoha o fetisetsa data lipakeng tsa libaka tsa oache.

The SIPO (Serial Input, Parallel Output) block hangata e na le tlhahiso ea oache e amohelang, sete sa mela e hlahisoang ke data le li-latches tsa data tse hlahisoang.Ho ka etsahala hore ebe oache e amoheloang e nkiloe ho data ka serialho hlaphoheloa oachethekniki.Leha ho le joalo, SerDes e sa fetisoeng oache e sebelisang oache ho notlela PLL ho frequency ea Tx e nepahetseng, ho qoba ho tlase.maqhubu a harmonicteng kamolapo oa data.Sebaka sa SIPO se arola oache e kenang ho isa tekanyong e bapileng.Ts'ebetso hangata e na le lirejistara tse peli tse hokahantsoeng joalo ka buffer e habeli.Rejistara e le 'ngoe e sebelisoa ho ts'oara molatsoana oa serial,' me e 'ngoe e sebelisetsoa ho boloka data bakeng sa lehlakore le tsamaeang butle, le bapileng.

Mefuta e meng ea SerDes e kenyelletsa li-block tsa encoding/decoding.Morero oa khouto/decoding ena hangata ke ho beha bonyane meeli ea lipalo-palo ho sekhahla sa phetoho ea mats'oao ho lumella hore ho be bonolo.ho hlaphoheloa oacheho moamoheli, ho fanaho etsa foreimi, le ho fanaDC balance.