93
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
bit
LSB
2tc(X
IN
)
k
μ
A
μ
A
μ
A
Resolution
Absolute accuracy (excluding quantization error)
Conversion time
Ladder resistor
Reference power
source input current
at A-D converter stopped
A-D port input current
Min.
12
50
Typ.
35
150
Max.
10
±4
61
100
200
5
5.0
V
CC
= V
REF
= 5.0 V
V
REF
= 5.0 V
V
REF
= 5.0 V
Table 34 A-D converter characteristics (1)
(V
CC
= 2.7 to 5.5 V, V
CC
= 4.0 to 5.5 V for flash memory version, V
REF
= 2.0 V to V
CC
, V
SS
= AV
SS
= 0 V, T
a
= –20 to 85 °C, unless
otherwise noted)
10-bit A-D mode (when conversion mode selection bit (bit 7 of address 0038
16
) is “0”)
Unit
Limits
Parameter
–
–
t
CONV
R
LADDER
I
VREF
I
I(AD)
Test conditions
at A-D converter operated
Note 1:
Using one D-A converter, with the value in the D-A conversion register of the other D-A converter being “00
16
”.
Table 37 Comparator characteristics
(V
CC
= 2.7 to 5.5 V, V
CC
= 4.0 to 5.5 V for flash memory version, V
SS
= 0 V, T
a
= –20 to 85 °C, unless otherwise noted)
T
able 35 A-D converter characteristics (2)
(V
CC
= 2.7 to 5.5 V, V
CC
= 4.0 to 5.5 V for flash memory version, V
REF
= 2.0 V to V
CC
, V
SS
= AV
SS
= 0 V, T
a
= –20 to 85 °C, unless
otherwise noted)
8-bit A-D mode (when conversion mode selection bit (bit 7 of address 0038
16
) is “1”)
Table 36 D-A converter characteristics
(V
CC
= 2.7 to 5.5 V, V
CC
= 4.0 to 5.5 V for flash memory version, V
REF
= 2.7 V to V
CC
, V
SS
= AV
SS
= 0 V, T
a
= –20 to 85 °C, unless
otherwise noted)
Symbol
bit
LSB
2tc(X
IN
)
k
μ
A
μ
A
μ
A
Resolution
Absolute accuracy (excluding quantization error)
Conversion time
Ladder resistor
Reference power
source input current
at A-D converter stopped
A-D port input current
Min.
12
50
Typ.
35
150
Max.
8
±2
50
100
200
5
5.0
V
CC
= V
REF
= 5.0 V
V
REF
= 5.0 V
V
REF
= 5.0 V
Unit
Limits
Parameter
–
–
t
CONV
R
LADDER
I
VREF
I
I(AD)
Test conditions
at A-D converter operated
Symbol
Bits
%
%
μ
s
k
mA
Resolution
Absolute accuracy
Setting time
Output resistor
Reference power source input current (Note 1)
Min.
1
Typ.
2.5
Max.
8
1.0
2.5
3
4
3.2
Unit
Limits
Parameter
–
–
tsu
RO
I
VREF
Test conditions
V
CC
= 4.0–5.5 V
V
CC
= 2.7–4.0 V
Symbol
LSB
μ
s
μ
s
μ
s
V
μ
A
k
V
V
Absolute accuracy
Conversion time
Analog input voltage
Analog input current
Ladder resistor
Internal reference voltage
External reference input voltage
Min.
0
20
V
CC
/32
Typ.
40
29V
CC
/32
Max.
1/2
2.8
3.5
7
V
CC
5.0
50
V
CC
Unit
Limits
Parameter
–
T
CONV
V
IA
I
IA
R
LADDER
CMP
REF
Test conditions
Symbol
1LSB = V
CC
/16
at 10 MHz operating
at 8 MHz operating
at 4 MHz operating