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參數(shù)資料
| 型號： | MC4GH02GNMCA-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)： | 30/102頁 |
| 文件大?。?/td> | 1384K |
| 代理商： | MC4GH02GNMCA-2SA00 |
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MultiMediaCard
TM
30
Sep.22.2005
Revision 0.3
WP_GRP_ENABLE
A value of ‘0’ means no group write protection possible.
DEFAULT_ECC
Set by the card manufacturer. It defines the ECC code which is recommended for use. The field definition is the same as
for the ECC field described later.
R2W_FACTOR
Defines the typical block program time as a multiple of the read access time. The following table defines the field format.
WRITE_BL_LEN
Block length for write operations. See READ_BL_LEN for field coding.
WRITE_BL_PARTIAL
Defines whether partial block sizes can be used in block write commands.
WRITE_BL_PARTIAL=’0’ means that only the WRITE_BL_LEN block size can be used for block oriented data write.
WRITE_BL_PARTIAL=’1’ means that smaller blocks can be used as well. The minimum block size is one byte.
FILE_FORMAT_GRP
Indicates the selected group of file formats. This field is read-only for ROM. The usage of this field is shown in Table 5-
25
(see FILE_FORMAT).
COPY
Defines if the contents is original (= ‘0’) or has been copied (=’1’). The COPY bit for OTP and MTP devices, sold to end
consumers, is set to ‘1’ which identifies the card contents as a copy. The COPY bit is an one time programmable bit.
PERM_WRITE_PROTECT
Permanently protects the whole card content against overwriting or erasing (all write and erase commands for this card
are permanently disabled). The default value is ‘0’, i.e. not permanently write protected.
R2W_FACTOR
0
1
2
3
4
5
6
7
Multiples of read access time
1
2 (write half as fast as read)
4
8
16
32
64
128
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