hb28b128mm2 Renesas Electronics Corporation., hb28b128mm2 Datasheet - Page 14

• Manufacturer Part Number: hb28b128mm2
• Description: Multimediacard 16 Mbyte/32 Mbyte/64 Mbyte/128 Mbyte
• Manufacturer: Renesas Electronics Corporation.

HB28H016/D032/B064/B128MM2
Name
Write protect group size
Write protect group enable
Manufacturer default ECC
Write speed factor
Max. write data block length WRITE_BLK_LEN
Partial blocks for write
allowed
Reserved
File format group
Copy flag (OTP)
Permanent write protection
Temporary write protection
File format
ECC code
7-bit CRC
Not used, always 1
Notes: 1. This field is depended on the model. Refer to also C_SIZE
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 these Hitachi
MultiMediaCards:
• CSD_STRUCTURE
CSD Register Structure
CSD_STRUCTURE
“10”
The CSD version of these Hitachi MultiMediaCards is related to the “MultiMediaCard system
specification, Version 3.1”. The parameter CSD_STRUCTURE has permanently the value “10”.
Rev.5.0, Jan. 2003, page 12 of 88
2. This field is depended on the model.
3. This field is depended on the model. Refer to also C_SIZE_MULT
4. × means user programmable
PERM_WRITE_PROTE
Field
WP_GRP_SIZE
WP_GRP_ENABLE
DEFAULT_ECC
R2W_FACTOR
WRITE_BLK_PARTIAL 1
—
FILE_FORMAT_GRP
COPY
CT
TMP_WRITE_PROTEC
T
FILE_FORMAT
ECC
CRC7
—
Width
5
1
2
3
4
5
1
1
1
1
2
2
7
1
CSD register structure
CSD version No. 1.2
CSD-slice Value
[36:32]
[31:31]
[30:29]
[28:26]
[25:22]
[21:21]
[20:16]
[15:15]
[14:14]
[13:13]
[12:12]
[11:10]
[9:8]
[7:1]
[0:0]
0x01 (16 kByte)
‘1’
0
2 (4)
9 (512 Bytes)
‘0’
0
×*
×
×
×
×
×
×
1
4
Type
read only
read only
read only
read only
read only
read only
read only
read/write
read/write
read/write
read/write/
erase
read/write
read/write/
erase
read/write/
erase
read only