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): 12/79頁(yè)
文件大?。?/td> 516K
代理商: FLAS00XX
MultiMediaCard Flash
Preliminary MultiMediaCard Product Manual;
1998 SANDISK CORPORATION
Page 12 of 79
Erase groups are grouped into Write Protect Groups (WPG) of 32 erase groups. The
write/erase access to each WPG can be limited individually. The number of various
memory structures, for the different MultiMediaCards are summarized in Table 1-2. The
last (highest in address) WPG will be smaller and contain less than 32 erase groups.
Table 1-2 Memory Array Structures Summary
Structure
MultiMediaCard-F0002
MultiMediaCard-F0004
MultiMediaCard-F0008
MultiMediaCard-F0010
Bytes
2.03MB
4.03MB
8.0MB
10.0MB
Sector
3968
7872
T.B.D.
T.B.D.
Erase Group
248
492
T.B.D.
T.B.D.
WPG
8
16
T.B.D.
T.B.D.
Figure 1-3 Data Transfer Formats
1.5.8.6 Read and Write Operations
The MultiMediaCard supports three read/write modes as shown in the above figure.
Stream Mode
In stream mode the host reads or writes continues stream of data. The starting address is
specified in the read/write command and the operation ends when the host sends a stop
transmission command.
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