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M16C/5L Group, M16C/56 Group
27.1.3
A/D Conversion Characteristics
Table 27.4
A/D Conversion Characteristics
V
= AV
= V
CC
CC
REF
Symbol
—–
Resolution
I
Integral non-linearity error
NL
—–
Absolute accuracy
φAD
A/D operating clock frequency
—–
Tolerance level impedance
D
Differential non-linearity error
NL
—–
Offset error
—–
Gain error
t
10-bit conversion time
CONV
t
Sampling time
SAMP
V
Reference voltage
REF
V
Analog input voltage
IA
Notes:
1.
Use when AV
2.
Flash memory rewrite disabled. Except for the analog input pin, set the pins to be measured as input
ports and connect them to V
3.
When analog input voltage is over reference voltage, the result of A/D conversion is 3FFh.
P0 to P10
Figure 27.3
A/D Accuracy Measure Circuit
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
= 3.0 to 5.5 V, V
= AV
SS
Parameter
V
REF
V
REF
V
REF
V
REF
V
REF
4.0 V ≤
3.2 V ≤
3.0 V ≤
See note 2
See note 2
See note 2
V
REF
φAD = 25 MHz
(3)
= V
CC
CC
. See Figure 27.3 "A/D Accuracy Measure Circuit".
SS
AN
Analog input
(1)
= -40 ° C to 85°C unless otherwise specified.
= 0 V at T
SS
opr
Measuring Condition
= V
CC
(2)
= V
= 5.0 V
CC
(2)
= V
= 3.3 V
CC
(2)
= V
= 5.0 V
CC
(2)
= V
= 3.3 V
CC
≤ 5.5 V
V
CC
≤ 4.0 V
V
CC
≤ 3.2 V
V
CC
= V
= 5V,
CC
AN: One of the analog input pin
P0 to P10: I/O pins other than AN
27. Electrical Characteristics
J-Version
Standard
Unit
Min.
Typ.
Max.
10
Bits
±3
LSB
±5
LSB
±3
LSB
±5
LSB
2
25
MHz
2
16
MHz
2
10
MHz
3
kΩ
±1
LSB
±3
LSB
±3
LSB
μs
1.60
μs
0.6
V
3.0
V
CC
V
0
V
REF
Page 705 of 803
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