Transcend Information TS8GSDHC 6, TS4GSDHC 6 manual Csdstructure, CSD Register Fields CSD Version

Page 14

SDHC Card series

4~32GB High Capacity Secure Digital Card

The CSD Register Fields (CSD Version 2.0)

The following sections describe the CSD fields and the relevant data types. If not explicitly defined otherwise, all bit strings are interpreted as binary coded numbers starting with the left bit first.

•CSD_STRUCTURE

Field structures of the CSD register are different depend on the Physical Specification Version and Card Capacity.

The CSD_STRUCTURE field in the CSD register indicates its structure version. The following table shows the version number of the related CSD structure.

Transcend Information Inc.

14

Image 14

Contents Pin Definition Placement Features~32GB High Capacity Secure Digital Card Description ~32GB High Capacity Secure Digital Card Architecture Current Consumption Power Supply VoltageBus Signal Line Load ~32GB High Capacity Secure Digital Card ~32GB High Capacity Secure Digital Card Bus Signal Levels Parameter Symbol Min Max Unit Remark~32GB High Capacity Secure Digital Card Bus Timing Output Delay time during Data Transfer Mode MHz Ccard ≤ 10 pF, 1 card Clock low time Output Hold time Sdhc Card series ~32GB High Capacity Secure Digital Card Register Information OCR registerOID CID RegisterMID PNMCRC PSNMDT CSD RegisterCsdstructure CSD Register Fields CSD VersionTranspeed TaacNsac Readblpartial CCCReadbllen WriteblkmisalignEraseblken WpgrpenableCsize SectorsizeTmpwriteprotect CopyPermwriteprotect FileformatRCA Register DSR Register OptionalSdspec SCR RegisterScrstructure DatastataftereraseSdsecurity SdbuswidthsMechanical Dimension Sdhc Card series Sdhc Card series