Introduction - If you have any usage issues, please Google them yourself
This will sample all 8 A/D-channels by the continous mode.
Each end of conversion will call an interrupt routine,
where the AD-channel is put to Port4[2..0]
and the upper nibble of the result is put to Port4[7..4].
Port 4 is connected to the user LEDs of the FlashCan100P Evaluation-Board