參數(shù)資料
型號: MC2GH01GDMCA-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): 95/102頁
文件大?。?/td> 1384K
代理商: MC2GH01GDMCA-2SA00
MultiMediaCard
TM
95
Sep.22.2005
Revision 0.3
The meaning of the status bits is defined as follows:
‘010’ - Data accepted.
‘101’ - Data rejected due to a CRC error.
’110’ - Data Rejected due to a Write Error
In case of any error (CRC or Write Error) during Write Multiple Block operation, the host shall abort the operation using the
“Stop Tran” Token. In case of Write Error (response ‘110’) the host should send CMD13 (SEND_STATUS) in order to get
the cause of the write problem.
7.19 Data Tokens
Read and write commands have data transfers associated with them. Data is being transmitted or received via data
tokens. All data bytes are transmitted MSB first.
Data tokens are 4 to (N + 3) bytes long (Where N is the data block length set using the SET_BLOCK_LENGTH Command)
and have the following format:
First byte:
Figure 7-13 : Start Data Block Token Format
Bytes 2 - (N + 1): User data
Last two bytes: 16 bit CRC.
7.20 Data Token Error
If a read operation fails and the card cannot provide the required data, it will send a data error token instead. This token is
one byte long and has the following format:
Token Type
Start Block
Start Block
Start Block
Start Block
Stop Tran
Transaction Type
Single Block Read
Multiple Block Read
Single Block Write
Multiple Block Write
Multiple Block Write
7
1
1
1
1
1
Bit Position
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
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