
Rev.1.00
REJ03B0212-0100
Apr 2, 2007
Page 109 of 117
3803 Group (Spec.L)
A/D converter characteristics
NOTES:
1. 8-bit A/D mode: When the conversion mode selection bit (bit 7 of address 0038
16
) is “1”.
2. 10-bit A/D mode: When the conversion mode selection bit (bit 7 of address 0038
16
) is “0”.
NOTES:
1. 8-bit A/D mode: When the conversion mode selection bit (bit 7 of address 0038
16
) is “1”.
2. 10-bit A/D mode: When the conversion mode selection bit (bit 7 of address 0038
16
) is “0”.
D/A converter characteristics
NOTE:
1. Using one D/A converter, with the value in the DA conversion register of the other D/A converter being “00
16
”.
Table 23 A/D converter recommended operating conditions (Mask ROM version)
(V
CC
= 2.0 to 5.5 V, V
SS
= AV
SS
= 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Conditions
Limits
Unit
Min.
2.0
2.2
2.0
Typ.
5.0
5.0
Max.
5.5
5.5
V
CC
V
CC
Power source voltage
(When A/D converter is used)
8-bit A/D mode
(1)
10-bit A/D mode
(2)
V
V
REF
A
VSS
V
IA
f(X
IN
)
Analog convert reference voltage
Analog power source voltage
Analog input voltage AN
0
-AN
15
Main clock input oscillation
frequency
(When A/D converter is used)
V
V
V
0
0
V
CC
2.0
≤
V
CC
= V
REF
<
2.2 V
0.5
MHz
2.2
≤
V
CC
= V
REF
<
2.7 V
0.5
2.7
≤
V
CC
= V
REF
<
4.0 V
0.5
4.0
≤
V
CC
= V
REF
<
4.5 V
0.5
4.5
≤
V
CC
= V
REF
≤
5.5 V
0.5
16.8
---------------------------–
2
(
)
1.05
×
----------------------------–
(
)
1.05
×
-------------------------–
)
1.05
×
--------------------------------–
3
(
)
1.05
×
Table 24 A/D converter characteristics (Mask ROM version)
(V
CC
= 2.0 to 5.5 V, V
SS
= AV
SS
= 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Test conditions
Limits
Typ.
Unit
Min.
Max.
8
10
±3
±2
±5
±4
50
61
100
200
5.0
5.0
Resolution
8-bit A/D mode
(1)
10-bit A/D mode
(2)
8-bit A/D mode
(1)
bit
Absolute accuracy
(excluding quantization error)
2.0
≤
V
REF
<
2.2 V
2.2
≤
V
REF
≤
5.5 V
2.2
≤
V
REF
<
2.7 V
2.7
≤
V
REF
≤
5.5 V
LSB
10-bit A/D mode
(2)
LSB
t
CONV
Conversion time
8-bit A/D mode
(1)
10-bit A/D mode
(2)
2tc(X
IN
)
R
LADDER
I
VREF
Ladder resistor
Reference power
source input current
12
50
35
150
k
μ
A
μ
A
μ
A
at A/D converter operated V
REF
= 5.0 V
at A/D converter stopped
V
REF
= 5.0 V
I
I(AD)
A/D port input current
Table 25 D/A converter characteristics (Mask ROM version)
(V
CC
= 2.7 to 5.5 V, V
REF
= 2.7 V to V
CC
, V
SS
= AV
SS
= 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Limits
Typ.
Unit
Min.
Max.
8
1.0
2.5
3
5
3.2
Resolution
Absolute accuracy
bit
%
4.0
≤
V
REF
≤
5.5 V
2.7
≤
V
REF
< 4.0 V
tsu
RO
I
VREF
Setting time
Output resistor
Reference power source input current
(1)
μ
s
k
mA
2
3.5
Mask ROM Version