TranscendメーカーSecure Digital Card SD80の使用説明書/サービス説明書
ページ先へ移動 of 23
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 1 Description Secure Digital Card is a com pact, slim and high capacity storage media with c opy right protection. Designed in advanced SD specification Ve r.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 2 Architecture.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 3 Bus Operating Conditions • Gen eral Param eter Symbol Min.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 4 • Bus Signal Lev els As the bus can be supplied wi th a variable supply volt age, all signal leve ls are related to the supply voltage.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 5 • Bus T im ing (Default) Param eter Symbol Min M ax.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 6 5 0 ns C L ≤ 250 pF , (21 cards) t THL 10 ns C L ≤ 100 pF , (7 cards) C.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 7 • Bus T iming (High Speed Mode) Param eter Symbol Min M ax.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 8 Output Delay time during Data T ransfer Mode t ODL Y 14 n s Output Hold time t OH 2.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 9 Register Information W ith in the card interface six r egist ers are def ined: OCR, CID, CSD, RCA, DSR and SCR. These can be accessed only by corr esponding c om ma nds.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 10 A voltage range is not suppor ted if the correspondi ng bit va lue is set to LO W . As long a s the car d is busy, the correspondin g bit ( 31) i s set to LOW .
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 11 As an exam ple , the PRV bina ry value fi eld fo r prod uct revis ion “6.2 ” will be: 0110 0010 • PSN The Serial N um ber i s 32 bit s of binary num ber.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 12 3. CSD Register The foll owing section s describe t he CSD fiel ds and th e releva nt data types for th e High C apacity SD Mem ory Card.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 13 The foll owing section s describe t he CSD fiel ds and th e releva nt data types. If not explicit ly defined otherwise, a ll bit strings a re int erpreted as binar y coded numb ers star ting wit h the le ft bit f irst.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 14 Note that f or curre nt SD Mem ory Cards that f ield m ust be al way s 0_0110_010b (032h) whi ch is equal to 25MHz - t he m andatory m axim um o perating f re quency of SD Mem or y Card.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 15 This fiel d is f ixed to 0, whic h indicates read access c rossing p hy sical block boundaries i s always disabled i n High C apacity SD Mem ory Car d.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 16 This fiel d is f ixed to 9h, which indicates W RI TE_BL_LEN=512 Byte. • WRITE_BL_PA RTIA L This fiel d is f ixed to 0, whic h indicates partia l block read is inhibite d and only unit of bl ock acc ess is all owed.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 17.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 18 4. RCA Register The writable 16-bit relative card address register carrie s the card address that is published by the card during the card identif icatio n.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 19 • SD_SPEC Describes the SD Memo ry Card Physical Layer Specif icat ion versi on support ed by this card. SD_SPEC Ph ysical Layer Specif icatio n Version Number 0 Version 1.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 20 Since SD Memory Card shall support at least the two bus modes 1bit or 4bit width then any SD Card shall set at least bits 0 an d 2 (SD _BUS_W IDTH="0101").
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 21 Mechanical Dimension.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 22.
S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s Rev1.2 SD80 Se cure Digital Card Transcen d Inf ormation I nc. 23.
デバイスTranscend Secure Digital Card SD80の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Transcend Secure Digital Card SD80をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはTranscend Secure Digital Card SD80の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Transcend Secure Digital Card SD80の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Transcend Secure Digital Card SD80で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Transcend Secure Digital Card SD80を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はTranscend Secure Digital Card SD80の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Transcend Secure Digital Card SD80に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちTranscend Secure Digital Card SD80デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。