Manuel d'utilisation / d'entretien du produit SDHC6 du fabricant Transcend
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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 fast data tran sfer speeds (guarantee d minimum write spe ed of 6MB /s) and assure qu ick reaction tim e when used in digita l cameras an d 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 Current -10 10 µA All Outputs Output Leakag e 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 si gnal 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 varia ble 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 Mod e t ODL Y 0 14 ns C L ≤ 40 pF , (1 c ard) Output Delay time durin g Identification Mode t ODL Y 0 50 ns C L ≤ 40 pF , (1 card) (1) 0 Hz means to sto p 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 Mod e t ODL Y 14 ns C L ≤ 40 pF , (1 card) Output Hold time t OH 2.
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 cor rosion Operation: 25°C / 95% re l. humidity Storage: 40°C / 93% rel.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 11 Register Informatio n Within the card interf ace six regist ers are defined: O CR, CID, CSD, RCA, DSR and SCR. These can be ac cessed only by corresponding com mands (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 stat us bit is set. 2) This bit is set t o LOW if the card has not finis hed the power up routine. The supported 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 m al (BCD) digits, fo ur bits each, repr esenting an “n. m” revision num ber. The “n” is the mo st significan t nibble and “m ” is the least si gnificant 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 bi nary coded numb ers starting wit h the left bit fi rst.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 15 CSD Regis ter Stru ctu r 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 and sho uld uses fixed ti meout values fo r read and write operations (S ee 4.
HD Video Card Series 4GB~16GB SDHC6 HD Video Card Transcend Information Inc. 16 Note that for curren t SD Memory Cards that field must be always 0_0110_0 10b (032h) which is equal to 25M Hz - the mandatory m aximum operating f requency 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 maximu m 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 cont ents is original (= ‘0’) or has been copied (=’1’). The COPY bit for OTP and MTP devices, so ld to end consumers, is set to ‘1’ which ide ntifies 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 relati ve card address register carrie s the card addres s that is publishe d by the card during the card identificat ion. This address is used for the addre ssed host-ca rd 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 data st atus after 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.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Transcend SDHC6 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Transcend SDHC6 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Transcend SDHC6, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Transcend SDHC6 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Transcend SDHC6, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Transcend SDHC6.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Transcend SDHC6. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Transcend SDHC6 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.