Sandisk SD064 User Manual

SanDisk SD-ROM Product Manual Revision 1.0 SanDisk Corporation Corporate Headquarters . 601 McCarthy Boulevard . Milpitas, Cal

connect external pullup resistors to all data lines even if only DAT0 is to be used. Otherwise, non-expected high current consumption may occur due to

SanDisk Confidential

SanDisk® Corporation general policy does not recommend the use of its products in life support applications where in a failur

1 SD-ROM Card Overview 1.1 Introduction SanDisk SD-ROM Cards provide permanent and secure read-only data storage for consumer electronic and personal

2 SanDisk SD-ROM Card Functional Description SanDisk SD-ROM Cards are compatible with the SD specifications, with some changes necessary for a read-o

2.7 Card State Transitions SanDisk SD-ROM Cards operate the same as standard SD cards, where the state transition is dependent on the received comman

3 SanDisk SD-ROM Card Specifications 3.1 Operating Specifications The table below summarizes the SD-ROM operating specifications. Parameter Value

Register Abbreviation Width (in bits) Register Name CID 128 Card IDentification CSD 128 Card-Specific Data SCR 64 SD Configuration Register RCA 1

Field Value Comments CSD_STRUCTURE 1.0 CSD structure Reserved Reserved TAAC 1.5ms Data read access time – 1 NSAC 0 Data read access time – 2 in

3.3.4 Card Status Register The Card Status Register (CSR) transmits the card's status information to the host. The CSR is defined in Section 4.1