HB288032MM1 Datasheet, PDF (11/80 Pages) Hitachi Semiconductor – MultiMediaCard 32 MByte

HB288032MM1
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] ×
read/write
Copy flag (OTP)
COPY
1
[14:14]
×*⁴
read/write
Permanent write protection PERM_WRITE_PROTE 1
CT
[13:13] ×
read/write
Temporary write protection TMP_WRITE_PROTEC 1
T
[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
—
0
[0:0]
1
read only
Notes: 1. Access time from block to block within sector is 1 µs. For blocks smaller than 256 Byte, it is 62
µs.
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
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
HB288032MM1:
• CSD_STRUCTURE
CSD Register Structure
CSD_STRUCTURE
‘01’
CSD register structure
CSD version No. 1.1
The CSD version of the HB288032MM1 is related to the “MultiMediaCard system specification, Version
2.11”. The parameter CSD_STRUCTURE has permanently the value 1.
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