UniPAC Input Pin Assignment: 
Pin 1: Vcc 
Pin 2: Vcc 
Pin 3: GND 
Pin 4: GND 
Pin 5: RxIN0- (LVDS receiver signal channel 0) 
Pin 6: RxIN0+ 
Pin 7: GND 
Pin 8: RxIN1- (LVDS receiver signal channel 1) 
Pin 9: RxIN1+ 
Pin 10: GND 
Pin 11: RxIN2- (LVDS receiver signal channel 2) 
Pin 12: RxIN2+ 
Pin 13: GND 
Pin 14: CKIN- (LVDS receiver signal clock) 
Pin 15: CKIN+ 
Pin 16: GND 
Pin 17: NC 
Pin 18: NC 
Pin 19: GND 
Pin 20: GND