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.
1
Description
Transcend microSD card series are non-volatile,
which means no external power is required to retain
the information stored on it. Besides, it is also a
solid-state device that without moving parts to skip or
break down. Based on original NAND flash chip,
Transcend microSD can offer an incredible
combination of fast data transfer, great flexibility,
excellent security and incredibly small size.
Placement
Front Back
Features
•
ROHS compliant product.
•
Operating Voltage: 2.7 ~ 3.6V
•
Operating Temperature: -25 ~ 85°C
•
Durability: 10,000 insertion/removal cycles
•
Fully compatible with SD card spec. v1.1
•
Comply with SD Association File System Specification
•
Mechanical Write Protection Switch with microSD adapter
•
SD Host allows MultiMediaCard upward compatibility
•
Form Factor: 11mm x 15mm x 1mm
1 2 3 4 5 6 7 8
Pin Definition
SD Mode
SPI Mode
Pin No.
Name
Type
Description
Name
Type
Description
1
DAT2 I/O/PP
Data Line [Bit2]
RSV
Reserved
2
CD/DAT3 I/O/PP
Card Detect / Data Line [Bit3]
CS I
Chip
Select
3
CMD
PP
Command / Response
DI I
Data
In
4
V
DD
S Supply
voltage
V
DD
S
Supply voltage
5
CLK I
Clock
SCLK I
Clock
6
V
SS
S
Supply voltage ground
V
SS
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
Reserved
S: Power Supply; I:Input; O:Output; PP:Push-Pull
