Hitachi H8S/2633 Hardware Manual page 782

Digital output
Ideal A/D conversion
characteristic
111
110
101
100
011
010
001
000
1 2
1024 1024
Figure 19-9 A/D Conversion Precision Definitions (1)
Quantization error
1022 1023
1024 1024
Analog
input voltage
FS
765