i need mp4 usb driver
 

i have a dead mp4 ,mp5 made in japan.i need usb driver for this.i cant find a link in google.any help here?
this is how it is write in the inside.looks like proccesor/chipset (i dont know this name)
samsung 749k9F26080UAYCB0. if u can help me to find this driver.i owe u abeer?