T
T
T
S
S
S
0
0
0
M
M
M
F
F
F
L
L
L
R
R
R
D
D
D
7
7
7
USB2.0 7-in-1 Card Reader
Transcend Information, Inc.
2
Block Diagram
Pinouts
Pin No.
Pin Name
01 VCC
02 USB-
03 USB+
04 VSS
Pin Identification
Symbol
Function
USB-
USB+
USB differential signal:
The pairs are used to transmit
Data/Address/Command
VSS Ground
VCC USB
Power
Input
FC1320 Controller
CF / MD
Connector
MS / MS PRO
Connector
MMC / SD
Connector
SM
Connector
Crystal
12MHz
USB
Connector
D+ / D-