T
S
1
G
~
2
G
T
S
1
G
~
2
G
T
S
1
G
~
2
G
Description
Secure Digital Card of high capacity but economic
cost. It is specifically designed to meet the security,
capacity and small form factor requirements in newly
emerging audio and video consumer electronic
devices. Transcend Secure Digital Card can lead you
to a colorful digital world.
Placement
Front
Pin Definition
Pin No.
Name
1
CD/DAT I/O/PP
2
CMD
3
V
SS1
4
V
DD
5
CLK
6
V
SS2
7
DAT0
8
DAT1
9
DAT2
Transcend Information Inc.
S
D
G
S
D
G
S
D
G
Back
SD Mode
Type
Description
3
Card Detect/Data Line [Bit3]
PP
Command/Response
S
Supply voltage ground
S
Supply voltage
I
Clock
S
Supply voltage ground
I/O/PP Data Line [Bit0]
I/O/PP Data Line [Bit1]
I/O/PP Data Line [Bit2]
Features
• ROHS compliant product
• Operating Voltage: 2.7 ~ 3.6V
• Operating Temperature: -25 ~ 85°C
• Insertion/removal durability: 10,000 cycles
• Fully compatible with SD card spec. v1.1
• Mechanical Write Protection Switch
• Forward compatibility to MultiMediaCard Version 2.11
• Supports Copy Protection for Recorded Media(CPRM) for
music and other commercial media
• Form Factor: 24mm x 32mm x 2.1mm
Name
Type
CS
I
DI
I
VSS
S
VDD
S
SCLK
I
VSS2
S
DO
O/PP
RSV
RSV
1
Secure Digital Card
SPI Mode
Description
Chip Select (neg true)
Data In
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data Out