Table of Contents
The XU4 is fully software compatible with XU3!
However, the XU4 is more compact, more affordable and more expandable.
XU4 PCB revision history
|EL-1507||rev0.1 20150527||The first production version|
|EL-1510||rev0.1 20150825|| Add a R99 of Pull-Down resistor on the PMIC PSHOLD signal.
Add a C289 of dummy capacitor for physical balancing the heatsink on the PCB
|EL-1603||rev0.1 20151201||Added a pull-up Resistor on a UART RXD PIN.\\Added a 100uF capacitor on DC JACK.|
|EL-1606||rev0.1 20151201||RILIM of NCP380 is changed to 6.49kΩ and USB current limits at 2A.|
We did not change the PCB revision because any key features were not changed nor added.
Hardware and Peripherals
Please read **THIS** once before you start to download and flashing S/W release on your ODROID device.