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參數(shù)資料
| 型號： | MC4GH01GNMCA-2SA00 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SAMSUNG MultiMediaCard |
| 中文描述： | 三星多媒體 |
| 文件頁數(shù)： | 93/102頁 |
| 文件大小： | 1384K |
| 代理商： | MC4GH01GNMCA-2SA00 |
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MultiMediaCard
TM
93
Sep.22.2005
Revision 0.3
Figure 7-8 : R1 Response Format
7.18.2 Format R1b
This response token is identical to the R1 format with the addition of an immediately following busy signal.
Figure 7-9 : R1b Response Format
7.18.3
Busy
The busy signal token can be any number of bytes. A zero value indicates card is busy. A non-zero value indicates the
card is ready for the next command.
7.18.4
Format R2
This response token is two bytes long and sent as a response to the SEND_STATUS command. The format is given in
Figure 7-10.
The first byte is identical to the response R1. The content of the second byte is described in the following:
CSD Overwrite:
This status bit is set if the host is trying to change the ROM section, or reverse the copy bit (set as orig-
inal) or the permanent WP bit (un-protect) of the CSD register.
Erase Param
: An invalid selection of erase 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.
Card Error
: Generic (undifined by the standard) internal card error unrelated to the host activities.
Execution Error
: Generic (undefined by the standard) internal card error, occured while (and related to) execution of
the last hot command
Write Protect Erase Skip | Lock/Unlock Command Failed
: This status bit has two functions. It is set when the host
attempts to erase a write-protected block or if a sequence or password error occurred during a card lock/unlock
operation.
Card Is Locked
: Set when the card is locked by the user. Reset when it is unlocked.
0
7
In Idle State
Erase Reset
Illegal Command | Switch Error
Com CRC Error
Erase Sequence Error
Address Misalign
Address Out Of Range | Block Length Error
0
0
R1
Busy Tokens
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