said A/D converter includes an adding circuit adding the digital value from said A/D converting circuit and {HEAD ~ the digital value} from {TAIL ~ said first storing circuit}, and outputting the added result 
said A / D converter includes an adding circuit adding the digital value from said A / D converting circuit and { HEAD ~ the digital value } from { TAIL ~ said first storing circuit } , and outputting the added result
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH