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2.5“ 40GB StoreJet
™
Transcend Information Inc.
2
Block Diagram
Control signal
USB IDE
Interface
Controller
USB Connector
D0~D15
HDD
D0~D15
USB+
USB-
/ WE
/ RE
...
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
VCC
USB power input (DC 5V)
VSS
Ground
Crystal
12MHz