Download Arduino Uno Pins Diagram Background. Only digital pins 2 and 3 can be used as interrupt pins. Arduino uno can be powered up with either power jack or it can also be powered up with the help of the pin on the header.
Arduino uno r3 technical specifications.
For arduino uno, the choice for those pins is quite limited. If your ftdi board das a dtr pin and it is connected to reset then just save the program and upload that to the arduino as usual. Each of the 14 digital pins on the arduino uno can be used as an input or output, using pinmode(), digitalwrite(), and digitalread() functions. The current version of arduino uno comes with usb interface, 6 analog input pins, 14 i/o digital ports that are used to connect with.
