hb28d064mm2 Renesas Electronics Corporation., hb28d064mm2 Datasheet - Page 12

• Manufacturer Part Number: hb28d064mm2
• Description: Multimediacard 16 Mbyte/32 Mbyte/64 Mbyte/128 Mbyte
• Manufacturer: Renesas Electronics Corporation.

HB28E016/D032/D064/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 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”.
12
CSD_STRUCTURE
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
Field
WP_GRP_SIZE
WP_GRP_ENABLE
DEFAULT_ECC
R2W_FACTOR
WRITE_BLK_PARTIAL 1
—
FILE_FORMAT_GRP
COPY
PERM_WRITE_PROTE
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