Datasheet
T
T
T
S
S
S
4
4
4
~
~
~
1
1
1
6
6
6
G
G
G
U
U
U
S
S
S
D
D
D
H
H
H
C
C
C
2
2
2
-
-
-
P
P
P
3
3
3
4~16GB microSDHC Class 2 Card + Reader P3
Transcend Information Inc. 
27
USB Pinouts 
Pin No.  Pin Name 
01 VUSB 
02 D- 
03 D+ 
04 VSS 
USB Pin Identification 
Symbol  Function 
D- 
D+ 
USB differential signal: 
The pairs are used to transmit 
Data/Address/Command 
VSS Ground 
VUSB  USB Power Input 
Block Diagram 
VOUT 
5-3.3/3.3-1.8V 
Voltage 
Regulator 
VUSB 
Controller
12MHz 
CRYSTAL
MicroSD slot 
USB 
Port 










