MC56U032NCFA Samsung Semiconductor, Inc., MC56U032NCFA Datasheet - Page 23

• Manufacturer Part Number: MC56U032NCFA
• Description: Flash Card
• Manufacturer: Samsung Semiconductor, Inc.

Notes:
1. This field is depended on the model. Refer to also C_SIZE_MULT
2. This field is depended on the model
3. This field is depended on the model. Refer to also C_SIZE
4. x means user programmable
5. This field is depended on the model. Refer to also ERASE_GRP_SIZE
CSD Register Structure
The CSD version of these MultiMediaCards is related to the “MultiMediaCard system specification,
Version 3.31”. The parameter CSD_STRUCTURE has permanently the value “10”.
MultiMediaCard
Device size
multiplier
Erase group size
Erase group size
multiplier
Write protect group
size
Write protect group
enable
Manufacturer
default ECC
Write speed factor
Max. write data
block length
Partial blocks for
write allowed
Reserved
File format group
Copy flag(OTP)
Permanent write
protection
Temporary write
protection
File format
ECC code
CRC
Not used, always 1
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
MultiMediaCards :
CSD_STRUCTURE
“10”
C_SIZE_MULT
ERASE_GRP_SIZE
ERASE_GRP_MULT
WP_GRP_SIZE
WP_GRP_ENABLE
DEFAULT_ECC
R2W_FACTOR
WRITE_BLK_LEN
WRITE_BLK_PARTIAL
--
FILE_FORMAT_GRP
COPY
PERM_WRITE_PROTEC
TMP_WRITE_PROTECT
FILE_FORMAT
ECC
CRC
T
TM
3
5
5
5
1
2
3
4
1
5
1
1
1
1
2
2
7
0
CSD Register Structure
CSD version No. 1.2
[49:47]
[46:42]
[41:37]
[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]
0x1F
0x4
0x0
0x0
*3
*5
0x3
0x1
0x0
0x9
0x0
0x0
0x1
0x0
0x0
0x0
×
0x1
read only
read only
read only
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
23