Transcend InformationメーカーSDHC6の使用説明書/サービス説明書
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HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 1 Description Transcend HD Video Card is rated SDHC Class 6 to provide e xtremely fas t data tran sfer speeds (guarant eed minimum write spe ed of 6MB /s) and assure qu ick reaction tim e when used in digital cameras and camcorders .
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 2 Architectu re.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 3 Bus Operat ing Conditi ons • General Parameter Symbol Min. Max. Unit Remark Peak voltage on all lines -0.3 V DD +0. 3 V All Inputs Input Leakage Curren t -10 10 µA All Outputs Output Leak age Current -10 10 µA • Power Supply Vo ltage Parameter Symbol Min.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 4 Single card capa citance C CARD 10 pF Maximum s ignal line inducta nce 16 nH f PP ≤ 20 MHz Pull-up resistance inside ca.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 5 • Bus Si gnal Level s As the bus can be su pplied with a variable supply voltag e, all signal levels are rela ted to the supply voltage.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 6 • Bus Timing Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V IH ) and max (V IL ) Cl.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 7 Output Delay time durin g Data T ransfer Mode t ODL Y 0 14 ns C L ≤ 40 pF , (1 car d) Output Delay time durin g Identification Mode t ODL Y 0 50 ns C L ≤ 40 pF , (1 card) (1) 0 Hz means to stop the clock.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 8 • Bus Timing (High Speed Mode) Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V IH ) .
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 9 Output Delay time durin g Data T ransfer Mode t ODL Y 14 ns C L ≤ 40 pF , (1 card) Output Hold time t OH 2.5 ns C L ≤ 40 pF , (1 card) T otal System capacit ance for each line 1 C L 40 pF (1 card) 1) In order to satisfy severe timing, host shall drive on ly one card.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 10 Reliability and Durability Temperature Operation: - 25°C / 85 °C (Targe t spec) , Storage : -40°C / 85°C Moisture and c orrosion Operation: 25°C / 95% re l. humidity Storage: 40°C / 93% re l.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 11 Regist er Informatio n Within the card interf ace six regist ers are defined: OCR, CID, CSD, RCA, DSR and SCR. Th ese can be ac cessed only by corresponding c ommands (see Chapt er 4.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 12 1) This bit is valid only when the card power up st atus bit is set. 2) This bit is set t o LOW if the card has not fin ished the power up routine. The supporte d voltage range is coded as shown in Ta ble 5-1.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 13 The product revis ion is compose d of two Binary Coded Deci mal (BCD) digits, fo ur bits each, representing an “n. m” revision nu mber. The “n” is the mo st significan t nibble and “m ” is the least s ignificant nibble.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 14 The CSD Register Fiel ds (CSD Version 2.0) The following sec tions des cribe the CS D fields and the relevant data types. If not explicitly def ined otherwise, all bit strings are interpreted as binary coded numb ers starting with the left bit fi rst.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 15 CSD Regi s ter Structur e • TAAC This field is fixed to 0Eh, which indicates 1 ms. The ho st sh ould not use TAAC, NSAC, an d R2W_FACTOR to calculate timeout an d should uses fixed t imeout values fo r read and write operatio ns (See 4.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 16 Note that for cur rent SD Memory Cards that field must be always 0_0110_0 10b (032h) which is equal to 25M Hz - the mandatory m aximum operating frequency of SD Memory Card.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 17 • C_SI ZE This field is expanded to 22 bits a nd can indicat e up to 2 TBytes (It is the s ame as the maxim um memory spac e specif ied by a 32-bit block address.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 18 • COPY Defines if the co ntents is original (= ‘0’) or has been copied (=’1’). The COPY bit for OTP and MT Pdevices, so ld to end consumers, is set to ‘1’ whic h identifies the ca rd contents as a copy.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 19 4. RCA Register The writable 16-bit relat ive card address register carrie s the card addres s that is publis hed by the card during the card identificat ion. This address is used for the addre ssed host-c ard communicat ion after the card identification proc edure.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 20 0x404. 6. SCR Register In addition to the CSD reg ister there is anot her configuratio n register that named - SD CARD Conf iguration Regi ster (SCR). SCR provides inf ormation on SD Mem ory Card's special featu res that were configured into the giv en card.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 21 Defines the dat a status aft er erase, whether it is ‘0’ or ‘1’ (the sta tus is card vendor depe ndent). • SD_SECURITY Describes t he security a lgorithm supp orted by the card.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 22 Mechanical Dimension.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 23.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 24.
デバイスTranscend Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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 Information SDHC6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。