M30222 Datasheet, PDF (181/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M30222 Group
Rev. G
Electrical Characteristics
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table 1.60. A-D conversion characterisitics (referenced to Vcc = AVcc + Vref = 5V, Vss = AVss = 0V at Ta
= 25°C, f(Xin) = 16MHz unless otherwise specified)
Symbol
Parameter
_
Resolution
_
Absolute Sample & Hold function
Accuracy not available
Sample & Hold function
available (10 bit)
R_LADDER
t_CONV
t_CONV
t_SAMP
Vref
V_IA
Sample & Hold function
available (8 bit)
Ladder resistence
Conversion time (10 bit)
Converstion time (8 bit)
Sampling time
Reference voltage
Analog input voltage
Measuring Condition
Vref = Vcc
Vref = Vcc = 5V
Vref = Vcc = 5V AN₀ to AN₇ input
ANEX0, ANEX1
input, external
op-amp
connection mode
Vref = Vcc = 5V
Vref = Vcc
Standard
Min. Typ.
Max.
10
+/-3
+/-3
+/-7
+/-2
10
40
3.3
2.8
0.3
2
Vcc
0
Vref
Unit
Bits
LSB
LSB
LSB
LSB
kΩ
µs
µs
µs
V
V
Table 1.61. D-A conversion characteristics (referenced to Vcc = 5V, Vss = AVss = 0V, Vref = 5V at Ta =
25°C, f(Xin) = 16MHz unless otherwise specified)
Symbol
_
_
t_SU
R_O
I_Vref
Parameter
Resolution
Absolute Accuracy
Settling time
Output resistance
Reference power supply input current
Measuring
Condition
(Note)
Standard
Unit
Min. Typ. Max.
8
Bits
1.0
%
3
µs
4
10 20
kΩ
1.5
mΑ
Note: This applies when using one D-A converter, with the D-A register. The unused D-A converter is set to 00₁₆ .
The A-D converter s ladder resistance is not included.
When the Vref is disconnected at the A-D control register, IVref is sent.
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