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R01UH0336EJ0102 Rev.1.02
Page 1354 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 23 A/D Converter
(5)
Full-Scale Error
The full-scale error is the difference between a measured value and a
theoretical value (full scale - 3/2 LSB) of the analog input voltage when the
digital output changes from 1…110 to 1…111.
Figure 23-26
Full-Scale Error
111
000
AV
REFP
Full-scale error
100
010
011
AV
REFM
AV
REFP
-x
AV
REFP
-2x
AV
REFP
-3x
Note x : Voltage corresponding to 1 LSB
x = (AV
REFP
−AV
REFM
) x 1 LSB
Digital output (lower 3 bits)
Analog input