T
T
T
S
S
S
1
1
1
~
~
~
2
2
2
G
G
G
U
U
U
S
S
S
D
D
D
-
-
-
S
S
S
3
3
3
microSD Memory Card + Reader S3
Transcend Information Inc.
19
cards). The CSD register carries the information about the DSR register usage. The default value of the DSR register is
0x404.
6. SCR Register
In addition to the CSD register there is another configuration register that named - SD CARD Configuration
Register
(SCR). SCR provides information on SD Memory Card's special features that
were configured into the given card. The
size of SCR register is 64 bit. This register shall be set in
the factory by the SD Memory Card manufacturer.
The following table describes the SCR register content.
•
SCR_STRUCTURE
Version number of the related SCR structure in the SD Memory Card Physical Layer Specification.
•
SD_SPEC
Describes the SD Memory Card Physical Layer Specification version supported by this card.
