My ipod touch 1st generation doesnt wanna charge and its not recognized on iTunes!

Ok so when i try to charge my ipod touch 1st gen 8 gigs wit the usb it doesnt want too even wit the outlet charger it doesnt want too. its not even recognized by itunes either. i have a ipod classic 120 gigs that one does charge by the outlet and usb and its recognized by itunes. i dont know why my ipod touch doesnt wanna charge or be recognized by itunes whats wrong??? my usb is version 2.0 also.