參數(shù)資料
型號: HB288016MM1
廠商: Hitachi,Ltd.
英文描述: MultiMediaCard 16 MByte
中文描述: 多媒體16字節(jié)
文件頁數(shù): 11/79頁
文件大?。?/td> 233K
代理商: HB288016MM1
HB288016MM1
11
Name
Field
Width
CSD-slice Value
Type
Write protect group size
WP_GRP_SIZE
5
[36:32]
0x01 (16 kByte)
read only
Write protect group enable
WP_GRP_ENABLE
1
[31:31]
‘1’
read only
Manufacturer default ECC
DEFAULT_ECC
2
[30:29]
0
read only
Write speed factor
R2W_FACTOR
3
[28:26]
2 (4)
read only
Max. write data block length
WRITE_BLK_LEN
4
[25:22]
9 (512 Bytes)
read only
Partial blocks for write
allowed
WRITE_BLK_PARTIAL 1
[21:21]
‘0’
read only
Reserved
5
[20:16]
0
read only
File format group
FILE_FORMAT_GRP
1
[15:15]
×
×
*
4
×
read/write
Copy flag (OTP)
COPY
1
[14:14]
read/write
Permanent write protection
PERM_WRITE_PROTE
CT
1
[13:13]
read/write
Temporary write protection
TMP_WRITE_PROTEC
T
1
[12:12]
×
read/write/
erase
File format
FILE_FORMAT
2
[11:10]
×
×
read/write
ECC code
ECC
2
[9:8]
read/write/
erase
CRC
CRC
7
[7:1]
×
read/write/
erase
Not used, always 1
Notes: 1. Access time from block to block within sector is 1
μ
s. For blocks smaller than 256 Byte, it is 62
μ
s.
2. This field is depended on the model. Refer to also C_SIZE_MULT
3. This field is depended on the model. Refer to also C_SIZE
4.
×
means user programmable
0
[0:0]
1
read only
Some of the CSD fields are one-time or multiple programmable by the customer or provider. All other
field values are fixed. The following section describes the CSD fields and their values for the
HB288016MM1:
CSD_STRUCTURE
CSD Register Structure
CSD_STRUCTURE
CSD register structure
‘01’
CSD version No. 1.1
The CSD version of the HB288016MM1 is related to the “MultiMediaCard system specification, Version
2.11”. The parameter CSD_STRUCTURE has permanently the value 1.
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