USB-MUXDIAG-II – User guide
16/05/2012
00283735-v1
11
Document confidentiel appartenant à Annecy Electronique S.A.S.
Ne peut être diffusé, copié intégralement ou en partie sans autorisation expresse préalable
4.1.2.
USB connector
Mini-B type USB connector
Pin
Name
Denomination
1
VBUS
Power supply : +5V
2
D-
Communication signal
2
D+
Communication signal
4
GND
Ground
4.1.3.
LEDs
The LEDs indicate:
Blue ON: correct link with the PC.
Blue FLASHING: communication with the PC on the way.
Bleu OFF: No more link with the PC, peripheral deactivated or in stand-by mode ; may
also indicates a trouble with USB.
Green ON: Problem with the embedded software.
Green FLASHING (slow): correct execution of the embedded software.
Green FLASHING (quick) : communication with the PC on the way.
Green OFF: no embedded software, it is needed to reload the software (only if blue
and red LEDs are ON).
Red ON : Correct power supply of the interface.
All LEDs OFF: the interface is not powered or deactivated or in USB stand-by mode.