M38197E データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M38197E

SINGLE-CHIP 8-BIT MICROCOMPUTER

MITSUBISHI ELECTRIC  

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

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