T
T
TS
S
S2
2
2G
G
GS
S
SD
D
D1
1
13
3
33
3
3
Secure Digital Card
Transcend Information Inc.
1
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 Back
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
Pin Definition
SD Mode SPI Mode
Pin No. Name Type Description Name Type Description
1 CD/DAT I/O/PP3Card Detect/Data Line [Bit3] CS I
Chip Select (neg true)
2 CMD PP Command/Response DI I
Data In
3 VSS1 S Supply voltage ground VSS S
Supply voltage ground
4 VDD S Supply voltage VDD S
Supply voltage
5 CLK I Clock SCLK I Clock
6 VSS2 S Supply voltage ground VSS2 S Supply voltage ground
7 DAT0 I/O/PP Data Line [Bit0] DO O/PP
Data Out
8 DAT1 I/O/PP Data Line [Bit1] RSV
9 DAT2 I/O/PP Data Line [Bit2] RSV