Datasheet

m
m
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c
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r
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S
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D
D
D
H
H
H
C
C
C
1
1
1
0
0
0
C
C
C
a
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a
r
r
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Ver 1.1
4~16G High Capacity microSD Card
Transcend Information Inc.
19
• SCR_STRUCTURE
Version number of the related SCR structure in the SD Memory Card Physical Layer Specification.
SCR
_
STRUCTURE SCR structure version SD Ph
y
sical La
y
e
r
S
p
ecification
V
ersion
0 SCR version 1.0 Version 1.01-3.00
1-15 reserved
SCR Register Structure Version
• SD_SPEC
Describes the SD Memory Card Physical Layer Specification version supported by this card.
SD_SPEC Physical Layer Specification Version Number
0 Version 1.0-1.01
1 Version 1.10
2
Version 2.00 or Version 3.00
(Refer to SD_SPEC3)
3-15 reserved
Physical Layer Specification Version
•
SD_SPEC3
SD_SPEC SD_SPEC3 Physical Layer Specification Version Number
2 0 Version 2.00
2 1 Version 3.00
The card manufacturer determines SD_SPEC value by conditions indicated below. All conditions shall
be satisfied for each version. The other combination of conditions is not allowed.
Essential conditions to indicate Version 1.01 Card (SD_SPEC=0 and SD_SPEC3=0)
(1)The card does not support CMD6
(2)The card does not support CMD8
(3) User area capacity shall be up to 2GB
Essential conditions to indicate Version 1.10 Card (SD_SPEC=1 and SD_SPEC3=0)
(1) The card shall support CMD6
(2) The card does not support CMD8
(3) User area capacity shall be up to 2GB