Transcend Information TS16GSDHC 6, TS4GSDHC 6, TS32GSDHC 6 RCA Register, DSR Register Optional

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SDHC Card series

4~32GB High Capacity Secure Digital Card

4. RCA Register

The writable 16-bit relative card address register carries the card address that is published by the card during the card identification. This address is used for the addressed host-card communication after the card identification procedure. The default value of the RCA register is 0x0000. The value0x0000 is reserved to set all cards into the Stand-by State with CMD7.

5. DSR Register (Optional)

The 16-bit driver stage register is described in detail in Chapter 6.5. It can be optionally used to improve the bus performance for extended operating conditions (depending on parameters like bus length, transfer rate or number of cards). The CSD register carries the information about the DSR register usage. The default value of the DSR register is

Transcend Information Inc.

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Contents ~32GB High Capacity Secure Digital Card Description Placement FeaturesPin Definition ~32GB High Capacity Secure Digital Card Architecture Bus Signal Line Load Power Supply VoltageCurrent Consumption ~32GB High Capacity Secure Digital Card Parameter Symbol Min Max Unit Remark ~32GB High Capacity Secure Digital Card Bus Signal Levels~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 OCR register ~32GB High Capacity Secure Digital Card Register InformationPNM CID RegisterMID OIDCSD Register PSNMDT CRCCSD Register Fields CSD Version CsdstructureNsac TaacTranspeed Writeblkmisalign CCCReadbllen ReadblpartialSectorsize WpgrpenableCsize EraseblkenFileformat CopyPermwriteprotect TmpwriteprotectDSR Register Optional RCA RegisterDatastataftererase SCR RegisterScrstructure SdspecSdbuswidths SdsecurityMechanical Dimension Sdhc Card series Sdhc Card series