參數(shù)資料
型號(hào)： HB28K032MM3
廠商： Renesas Technology Corp.
英文描述： MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
中文描述： 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié)
文件頁數(shù)： 20/91頁
文件大?。?/td> 526K
代理商： HB28K032MM3
HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 20 of 89
WRITE_BLK_LEN
The data block length is computed as 2
WRITE_BLK_LEN
.
Data Block Length
WRITE_BLK_LEN
Block length
Remark
0
2
0
= 1 byte
1
2
1
= 2 bytes
......
......
11
12
15
2
11
= 2048 bytes
Reserved
The block length might therefore be in the range 1, 2, 4...2048 bytes. This parameter defines the block
length if WRITE_BLK_PARTIAL is not set. If WRITE_BLK_PARTIAL is set this parameter contains the
maximum allowed value of the block length in bytes. All block lengths between one and this value are
permitted. The actual block size is programmed by the command SET_BLOCKLEN (CMD16). These
Renesas MultiMediaCards support blocks with the length 512 bytes. The parameter WRITE_BLK_LEN is
permanently assigned to the value 0x9 (512 bytes).
WRITE_BLK_PARTIAL
WRITE_BLK_PARTIAL defines whether partial block sizes can be used in block read and block write
commands. WRITE_BLK_PARTIAL = 0 means that only the block size defined by WRITE_BLK_LEN
can be used for block-oriented data transfers. WRITE_BLK_PARTIAL = 1 means that smaller blocks can
be used as well. The minimum block size will be equal to minimum addressable unit (one byte). These
Renesas MultiMediaCards support no partial block write. The parameter WRITE_BLK_PARTIAL is
permanently assigned to the value ‘0’.
CONTENT_PROT_APP
Indicates whether the card supports the content protection application, which is the function to protect the
stored data from illegal copies or accesses. This card doesn't support the content protection application.
The parameter CONTENT_PROT_APP is permanently assigned to the value ‘0’.
FILE_FORMAT_GRP
Indicates the selected group of file formats. The default value is ‘0’. This field is read-only for ROM. The
usage of this field is shown in table “File_Formats”.
相關(guān)PDF資料
PDF描述
HB28K032RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28J512MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB3104AD 128Kx8 EEPROM
HB3104AL 128Kx8 EEPROM
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