Specifications

©Copyright 2001-2013 SD Group (Panasonic, SanDisk, Toshiba) and SD Card Association
Physical Layer Simplified Specification Version 4.10
162
Card Command Class
(CCC)
0 1 2 3 4 5 6 7 8 9 10 11
Supported
commands
class
description
basic
reser
ved
block
read
reser
ved
block
write
erase
write
pro-
tec-
tion
lock
card
appli-
cat-
ion
spe-
cific
I/O
mode
switch
reser
ved
CMD27
Mandatory
1
+
CMD28
Optional
+
CMD29
Optional
+
CMD30
Optional
+
CMD32
Mandatory
1
+
CMD33
Mandatory
1
+
CMD34-37
2
Optional
+
CMD38
Mandatory
1
+
CMD42
4
(Note 4)
+
CMD50
2
Optional
+
CMD52
Optional
+
CMD53
Optional
+
CMD55
Mandatory
+
CMD56
Mandatory
+
CMD57
2
Optional
+
CMD58
Mandatory
+
CMD59
Mandatory
+
ACMD13
Mandatory
+
ACMD22
Mandatory
1
+
ACMD23
Mandatory
1
+
ACMD41
Mandatory
+
ACMD42
Mandatory
+
ACMD51
Mandatory
+
Note (1): The commands related write and erase are mandatory only for the Writable types of Cards.
Note (2): This command was defined in spec version 1.10
Note (3): This command is newly defined in version 2.00
Note (4): This command is optional in Version 1.01 and 1.10 and mandatory from Version 2.00
Table 7-2: Command Classes in SPI Mode