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M38197MA Datasheet, PDF (56/60 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
ZERO CROSS DETECTION INPUT CHARACTERISTICS
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –10 to 85°C, unless otherwise noted)
Symbol
fZCR
∆VT
Parameter
Input frequency of zero cross detection
Voltage error of zero cross detection distinction
Test conditions
50 Hz or 60 Hz
Limits
Unit
Min. Typ. Max.
50, 60 1000 Hz
–100 0 100 mV
1/fZCR
100V AC
P45/INT1/ZCR
clamp correction
input waveform
Zero cross detection
comparator output
5.7 V
VT
VI
0V
– 0.7 V
Fig. ZA-1 Zero cross detection input characteristics
A-D CONVERTER CHARACTERISTICS
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –10 to 85°C, high-speed operation mode f(XIN) = 500 kHz to 8.4 MHz, unless otherwise noted)
Symbol
–
–
TCONV
IVREF
IIA
RLADDER
Parameter
Test conditions
Resolution
Absolute accuracy (excluding quantization error)
Conversion time
Reference power source input current
Analog port input current
Ladder resistor
VCC = VREF = 5.12 V
VREF = 5 V
Limits
Unit
Min. Typ. Max.
8
Bits
±1
±2.5 LSB
49
50
tc (φ)
50
150 200
µA
0.5
5.0
µA
35
kΩ
D-A CONVERTER CHARACTERISTICS
(VCC = 4.0 to 5.5 V, VSS = AVSS = 0 V, VREF = 3.0 to VCC, Ta = –10 to 85°C, unless otherwise noted)
Symbol
Parameter
–
Resolution
–
Absolute accuracy
VCC = 4.0 to 5.5 V
VCC = 3.0 to 5.5 V
Tsu
Setting time
RO
Output resistor
IVREF
Reference power source input current (Note)
Note : Exclude currents flowing through the A-D converter ladder resistor
Test conditions
Limits
Unit
Min. Typ. Max.
8
Bits
1.0
%
2.5
%
3
µs
1
2.5
4
kΩ
3.2
mA
56