參數(shù)資料
型號(hào): flas00xx
廠商: SIEMENS AG
英文描述: MultiMediaCard(多媒體卡)
中文描述: 多媒體卡(多媒體卡)
文件頁(yè)數(shù): 55/79頁(yè)
文件大?。?/td> 516K
代理商: FLAS00XX
MultiMediaCard Flash
Preliminary MultiMediaCard Product Manual;
1998 SANDISK CORPORATION
Page 55 of 79
Partial Blocks For Write Allowed
WRITE_BL_PARTIAL
1
R
[21:21]
Reserved
-
5
R
[20:16]
Reserved
-
1
R/W
[15:15]
Copy Flag (OTP)
COPY
1
R/W
[14:14]
Permanent Write Protection
PERM_WRITE_PROTEC
T
1
R/W
[13:13]
Temporary Write Protection
TMP_WRITE_PROTECT
1
R/W/E
[12:12]
Reserved
-
2
R/W
[11:10]
ECC Code
ECC
2
R/W/E
[9:8]
CRC
CRC
7
R/W/E
[7:1]
Not Used, Always ‘1’
-
1
-
[0:0]
The following sections describe the CSD fields and the relevant data types. If not explicitly
defined otherwise, all bit strings are interpreted as binary coded numbers starting with the
left bit first.
CSD_STRUCTURE
—describes the version of the CSD structure.
Table 5-14 CSD Register Structure
CSD_STRUCTURE
CSD Structure Version
Valid for MultiMediaCard Protocol Version
0
CSD version No. 1.0
MultiMediaCard protocol version 1.0-1.2
1
CSD version No. 1.1
MultiMediaCard protocol version 1.4
2-3
reserved
MMC_PROT
—Defines the MultiMediaCard protocol version supported by the card. It
includes the definition of the command set and the card responses. The card identification
procedure is compatible for all protocol versions.
Table 5-15 MultiMediaCard Protocol Version
MMC_PROT
MultiMediaCard protocol version
0
MultiMediaCard protocol version 1.0-1.2
1
MultiMediaCard protocol version 1.4
2-15
reserved
TAAC—
Defines the asynchronous part of the data access time.
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