M30218 Datasheet, PDF (148/179 Pages) Mitsubishi Electric Semiconductor – M30218 Group

Mitsubishi microcomputers
M30218 Group
Electrical characteristics(VCC=3V, only mask ROM version) _{SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER}
VCC=3V
Table Z-21. A-D conversion characteristics (referenced to VCC = AVCC = VREF = 3V, Vss = AVSS = 0V
at Ta = 25^oC, f(XIN) = 5MHZ unless otherwise specified)
Symbol
Parameter
Measuring condition
RLADDER
tCONV
VREF
VIA
Resolution
Absolute accuracy Sample & hold function not available (8 bit)
Ladder resistance
Conversion time (8bit)
Reference voltage
Analog input voltage
VREF = VCC
VREF = VCC = 3V, φAD = f(XIN)/2
VREF = VCC
Standard
Min. Typ. Max ^Unit
10 Bits
±2 LSB
10
40 kΩ
14.0
µs
2.7
VCC V
0
VREF V
Table Z-22. D-A conversion characteristics (referenced to VCC = 3V, VSS = AVSS = 0V, VREF = 3V
at Ta = 25^oC, f(XIN) = 5MHZ unless otherwise specified)
Symbol
tsu
RO
IVREF
Parameter
Resolution
Absolute accuracy
Setup time
Output resistance
Reference power supply input current
Measuring condition
(Note)
Standard
Min. Typ. Max ^Unit
8 Bits
1.0 %
3 µs
4 10
20 kΩ
1.0 mA
Note: This applies when using one D-A converter, with the D-A register for the unused D-A converter set to “0016”.
The A-D converter's ladder resistance is not included.
Also, when the Vref is unconnected at the A-D control register, IVREF is sent.
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