Transcend Information miniSDHC Card Series manual Mid, Oid, Pnm, Prv

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miniSDHC Card series

4GB High Capacity miniSD Card

1)This bit is valid only when the card power up status bit is set.

2)This bit is set to LOW if the card has not finished the power up routine.

The supported voltage range is coded as shown in Table 5-1. A voltage range is not supported if the corresponding bit value is set to LOW. As long as the card is busy, the corresponding bit (31) is set to LOW.

2. CID Register

The Card IDentification (CID) register is 128 bits wide. It contains the card identification information used during the card identification phase. Every individual flash card shall have a unique identification number. The structure of the CID register is defined in the following paragraphs:

MID

An 8-bit binary number that identifies the card manufacturer. The MID number is controlled, defined, and allocated to a SD Memory Card manufacturer by the SD-3C, LLC. This procedure is established to ensure uniqueness of the CID register.

OID

A 2-character ASCII string that identifies the card OEM and/or the card contents (when used as a distribution media either on ROM or FLASH cards). The OID number is controlled, defined, and allocated to a SD Memory Card manufacturer by the SD-3C, LLC. This procedure is established to ensure uniqueness of the CID register.

Note: SD-3C, LLC licenses companies that wish to manufacture and/or sell SD Memory Cards, including but not limited to flash memory, ROM, OTP, RAM, and SDIO Combo Cards.

SD-3C, LLC is a limited liability company established by Matsushita Electric Industrial Co. Ltd., SanDisk Corporation and Toshiba Corporation.

PNM

The product name is a string, 5 ASCII characters long.

PRV

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Contents 4GB High Capacity miniSD Card Description PlacementFeatures Pin Definition4GB High Capacity miniSD Card 4GB High Capacity miniSD Card Information Mtbf4GB High Capacity miniSD Card Architecture Current Consumption Power Supply VoltageBus Signal Line Load Single card capacitance 4GB High Capacity miniSD Card Bus Signal Levels Parameter Symbol Min Max Unit Remark4GB 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 4GB High Capacity miniSD Card Register Information OCR registerPNM MIDOID PRVCRC PSNMDT Csdstructure CSD Register Fields CSD VersionTranspeed TaacNsac Readblpartial CCCReadbllen WriteblkmisalignEraseblken WpgrpenableCsize SectorsizeTmpwriteprotect CopyPermwriteprotect FileformatRCA Register Datastataftererase ScrstructureSdspec Sdsecurity SdbuswidthsMechanical Description Top View MiniSDHC Card series MiniSDHC Card series 4GB High Capacity miniSD Card MiniSD Card package dimensions