參數(shù)資料
型號: HB28E016MM2
廠商: Hitachi,Ltd.
英文描述: MultiMediaCard 16 Mbyte/32 Mbyte/64 Mbyte/128 MByte
中文描述: 多媒體16 Mbyte/32 Mbyte/64 Mbyte/128字節(jié)
文件頁數(shù): 21/88頁
文件大?。?/td> 329K
代理商: HB28E016MM2
HB28E016/D032/D064/B128MM2
21
ECC
Defines the ECC code that was used for storing data on the card. This field is used by the host (or
application) to decode the user data. The following table defines the field format.
ECC
ECC
ECC type
Maximum number of correctable bits
0
none (default)
none
1
BCH (542,512)
3
2
3
eserved
The content provider or customer defines which kind of error correction may be used to protect the contents
of the MultiMediaCard. This value is programmable.
CRC7
The CRC7 contains the check sum for the CSD content. The check sum is computed according to chapter
“Cyclic Redundancy Check (CRC)”.
The user has to recalculate a new CRC7 after defining a new CSD.
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