
5-14 SanDisk miniSD Card Product Manual, Rev. 1.1 © 2003 SANDISK CORPORATION
5.2.3.3. Format R2
The card sends the 2-byte-long response token a response to the SEND_STATUS command. The format of the R2
status is shown in Figure 5-8.
7 Byte 1 0 7 Byte 2 0
0
Card is Locked
WP Erase Skip, Lock/Unlock Cmd Failed
Error
CC Error
Card ECC Failed
WP Violation
Erase Param
Out of Range, CSD_Overwrite
In Idle State
Erase Reset
Illegal Command
Com CRC Error
Erase Sequence Error
Address Error
Parameter Error
Figure 5-8. R2 Response Format
The first byte is identical to response R1. The content of the second byte is described below:
• Erase param—An invalid selection, sectors for erase.
• Write protect violation—The command tried to write a write-protected block.
• Card ECC failed—Card internal ECC was applied but failed to correct the data.
• CC error—Internal card controller error.
• Error—A general or an unknown error occurred during the operation.
• Write protect erase skip—Only partial address space was erased due to existing WP blocks.
• Card is locked—Supported by the SanDisk Corporation miniSD Card.
5.2.3.4. Format R3
The card sends a response token when a READ_OCR command is received. The response length is 5 bytes. The
structure of the first (MSB) byte is identical to response type R1. The other four bytes contain the OCR register.
39 3231 0
0
R1 OCR
Figure 5-9. R3 Response Format
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