Transcend Information 1.8" StoreJet Portable HDD 20GB (TOSHIBA) TS20GSJ18 - Manual (Page 2)

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1.8” StoreJet Portable HDD 20GB (TOSHIBA)
Transcend Information Inc. 2
Block Diagram
Pinouts
Pin No. Pin Name
01 VCC
02
Control signal
USB IDE
Interface
Controller
U
SB C
onnec
to
r
D0~D15
/WE
/RE
HDD
...
USB-
USB+
D0~D15
Crystal
12MHz
LED
Control line
CLK
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