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Additional Information on the USB Interface Signals
PIN
Name Definition
_____
1,2 Not used – No Connection can be used for mounting purposes
3 GND – Ground – Connect this pin to the ground of the USB bus
4
3 GND – Ground – Connect this pin to the ground of the USB bus
4
VBUS – This is the USB Power Connection. Connect this pin to VBUS
5 *DATA (-) - Connect this pin to Data –
6
*DATA (+) - Connect this pin to the Data +
7,8,9,10 Not used – No Connection can be used for mounting purposes
11
LED - Link Process
12
Reserved
13,14,15 Not used – No Connection can be used for mounting purposes
16
No Pin – This Pin has been removed. Add a key to the mating connector to
prevent the module from being plugged in backwards.
prevent the module from being plugged in backwards.
*Note: D+ (Pin 15) and D- (Pin 16) are the differential data plus and minus signals
of the USB port. The two traces should be in parallel and equal in length.
10