SanDisk SD032 Manual Página 98

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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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