Manuale d’uso / di manutenzione del prodotto TS4GSDHC6V del fabbricante Transcend Information
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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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Transcend Information TS4GSDHC6V è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Transcend Information TS4GSDHC6V - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Transcend Information TS4GSDHC6V imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Transcend Information TS4GSDHC6V ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Transcend Information TS4GSDHC6V, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Transcend Information TS4GSDHC6V.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Transcend Information TS4GSDHC6V. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Transcend Information TS4GSDHC6V insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
