MC2GH256NMCA-2SA00 SAMSUNG [Samsung semiconductor], MC2GH256NMCA-2SA00 Datasheet - Page 32

• Manufacturer Part Number: MC2GH256NMCA-2SA00
• Description: SAMSUNG MultiMediaCard
• Manufacturer: SAMSUNG [Samsung semiconductor]

The following table lists the correspondence between the CSD entries and the command classes. A ‘+’ entry indicates that
the CSD field affects the commands of the related command class.
5.5.4 Extended CSD Register
The Extended CSD register defines the card properties and selected modes. It is 512 bytes long.
The most significant 320 bytes are the Properties segment, which defines the card capabilities and cannot be modified by
the host. The lower 192 bytes are the Modes segment, which defines the configuration the card is working in. These
modes can be changed by the host by means of the SWITCH command
CSD_STRUCTURE
SPEC_VERS
TAAC
NSAC
TRAN_SPEED
CCC
READ_BL_LEN
READ_BL_PARTIAL
WRITE_BLK_MISALIGN
READ_BLK_MISALIGN
DSR_IMP
C_SIZE_MANT
C_SIZE_EXP
VDD_R_CURR_MIN
VDD_R_CURR_MAX
VDD_W_CURR_MIN
VDD_W_CURR_MAX
ERASE_GRP_SIZE
WP_GRP_SIZE
WP_GRP_ENABLE
DEFAULT_ECC
R2W_FACTOR
WRITE_BL_LEN
WRITE_BL_PARTIAL
FILE_FORMAT_GRP
COPY
PERM_WRITE_PROTECT
TMP_WRITE_PROTECT
FILE_FORMAT
ECC
CRC
Revision 0.3
CSD Field
0
+
+
+
+
+
+
+
+
1
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
32
2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
3
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Command classes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
4
5
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
MultiMediaCard
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
7
Sep.22.2005
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
8
TM
+
+
+
+
+
+
+
+
9