Kontron KTT30-mITX - Manual (Page 21)

KTD-N0857-A Page 18 Rear Connectors
KTT30/mITX Users Guide
7.7 Micro USB Connector
The connector J12 (5 pins) provides the USB Client functionality (default setting).
You need the client functionality for changing the bootloader or update a corrupted bootloader. Together
with the recovery pin (see chapter “Debug/Design Tools”) and dedicated software on a desktop computer
as well as a standard USB cable the upload.
Header Pin Signal Description Type
1 VCC5 1) Power +5V PWR
2 USB- USB port (negative) DSIO-3.3
3 USB+ USB port (positive) DSIO-3.3
4 ID
Host / slave detection
(grounded or opened)
I
5 GND Ground PWR
1
Notes: 1) To protect the external power lines of peripheral devices make sure that
- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.
The contacts for USB devices are protected and suitable to supply USB devices with a maximum input current of 500mA. Do
not supply external USB devices with higher power dissipation through these pins