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6.2.2.3
Format R2
This, 2 bytes long, response token is sent by t h e
card as a response to the
command. The format of the R2 status is given in
Figure 6-6.
7
0
The first byte is identical to response R1. The
content of the second byte is described below:
• Erase param: An invalid selection, sectors
or groups, 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.
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
MultiMediaCard Product Manual
SEND_STATUS
0 7
Figure 6-6 R2 Response Format
6.2.2.4
Every data block written to the card will be
acknowledged by a data response token. It is one
byte long and have the following format:
The status bits may be:
'010' - Data accepted.
'101' - Data rejected due to a CRC error.
0
0
WP Erase Skip
Error
CC Error
Card ECC Failed
WP Violation
Erase Param
Out of Range
In Idle State
Erase Reset
Illegal Command
Com CRC Error
Erase_Seq_Error
Address Error
Parameter Error
Data Response
7 6
0
x x x 0 Status 1
69
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