CP3003-SA Smart Extension Module
ID 1052-6929, Rev. 3.0 Page E - 5
D R A F T — F O R I N T E R N A L U S E O N L Y
E.3 Module Interfaces
E.3.1 USB Interface
The Smart Extension Module provides one high-speed, full-speed, and low-speed capable USB
2.0 port. One USB peripheral may be connected to this port. For connecting more USB devices
to the CP3003-SA than there are available ports, an external USB hub is required.
The USB 2.0 port on the Smart Extension Module is implemented as one 4-pin, type A USB con-
nector, J2, with the following pinout.
Note ...
When connecting peripheral devices to USB ports, always ensure that
appropriate cables are used.
Note ...
The CP3003-SA host interfaces can be used with maximum 500 mA continu-
ous load current as specified in the Universal Serial Bus Specification, Revi-
sion 2.0. Short-circuit protection is provided. All the signal lines are
EMI-filtered.
Figure E-3: USB Connector J2
Table E-2: USB Connector J2 Pinout
PIN SIGNAL FUNCTION I/O
1 VBUS USB power O
2 D- USB 2.0 differential pair data - I/O
3 D+ USB 2.0 differential pair data + I/O
4 GND Ground for power return --
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