Transcend Information miniSDHC Card Series manual Psn, Mdt, Crc

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miniSDHC Card series

4GB High Capacity miniSD Card

The product revision is composed of two Binary Coded Decimal (BCD) digits, four bits each, representing an “n.m” revision number. The “n” is the most significant nibble and “m” is the least significant nibble.

As an example, the PRV binary value field for product revision “6.2” will be: 0110 0010

•PSN

The Serial Number is 32 bits of binary number.

•MDT

The manufacturing date composed of two hexadecimal digits, one is 8 bit representing the year(y) and the other is four bits representing the month(m).

The “m” field [11:8] is the month code. 1 = January. The “y” field [19:12] is the year code. 0 = 2000.

As an example, the binary value of the Date field for production date “April 2001” will be: 00000001 0100.

•CRC

CRC7 checksum (7 bits).

3. CSD Register

Table 5-16 shows Definition of the CSD for the High Capacity SD Memory Card (CSD Version 2.0). The following sections describe the CSD fields and the relevant data types for the High Capacity SD Memory Card.

CSD Version 2.0 is applied to only the High Capacity SD Memory Card. The field name in parenthesis is set to fixed value and indicates that the host is not necessary to refer these fields. The fixed values enables host, which refers to these fields, to keep compatibility to CSD Version 1.0. The Cell Type field is coded as follows: R = readable, W(1) = writable once, W = multiple writable.

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Contents Pin Definition PlacementFeatures 4GB High Capacity miniSD Card Description4GB High Capacity miniSD Card Mtbf 4GB High Capacity miniSD Card Information4GB High Capacity miniSD Card Architecture Power Supply Voltage Bus Signal Line LoadCurrent Consumption Single card capacitance Parameter Symbol Min Max Unit Remark 4GB High Capacity miniSD Card Bus Signal Levels4GB High Capacity miniSD Card Bus Timing Output Delay time during Data Transfer Mode 4GB High Capacity miniSD Card Bus Timing High Speed Mode Output Hold time 4GB High Capacity miniSD Card Reliability and Durability OCR register 4GB High Capacity miniSD Card Register InformationPRV MIDOID PNMPSN MDTCRC CSD Register Fields CSD Version CsdstructureTaac NsacTranspeed Writeblkmisalign CCCReadbllen ReadblpartialSectorsize WpgrpenableCsize EraseblkenFileformat CopyPermwriteprotect TmpwriteprotectRCA Register Scrstructure SdspecDatastataftererase Sdbuswidths SdsecurityMechanical Description Top View MiniSDHC Card series MiniSDHC Card series 4GB High Capacity miniSD Card MiniSD Card package dimensions
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