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USB2.0 Portable Multi-Card Reader
Transcend Information, Inc.
2
Pinouts
Pin No. Pin Name
01 VUSB
02 USB-
03 USB+
04 NC
05 VSS
Pin Identification
Symbol Function
USB-
USB+
USB differential signal:
The pairs are used to transmit
Data/Address/Command
VSS Ground
VUSB USB Power Input
NC Not Connect
Block Diagram
Controller
USB
Port
5 slots:
SD/MMC/miniSD
CF/MD
xD
MS/MS Duo
MicroSD/M2
12MHz
XTAL
3.3V
Volta
g
e
VUSB
1.8V Voltage
R
e
g
ulator
VDD/18
VOUT
VIN
VDDH