MSM64P164 Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Fabricante

MSM64P164

4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver

Oki Electric Industry 

¡ Semiconductor

MSM64P164

A/D Converter Characteristics

Parameter

Resistor

for Oscillation

Symbol

RS0, RS1,

RT0,

RT0-1,

RT1

(VSS = 0 V, VDD = 1.5 V, Ta = 0 to +65°C unless otherwise specified)

Condition

Measur-

Min. Typ. Max. Unit ing

Circuit

CS0, CT0, CS1 ≥ 740 pF

2.0 — — kW

Input Current

Limiting Resistor

RI0, RI1

—

1.0 10 — kW

Oscillation

Frequency

fOSC1

fOSC2

Resistor for oscillation = 2 kW

5

165 221 256 kHz

Resistor for oscillation = 10 kW 41.8 52.2 60.6 kHz

fOSC3

Resistor for oscillation = 200 kW 2.55 3.04 3.53 kHz

Kf1

RS•RT Oscillation

Frequency Ratio

Kf2

(*)

Kf3

RT0, RT0-1, RT1 = 2 kW

RT0, RT0-1, RT1 = 10 kW

RT0, RT0-1, RT1 = 200 kW

3.89 4.18 4.35 —

0.990 1.0 1.010 —

0.0561 0.0584 0.0637 —

* Kfx is the ratio of the oscillation frequency by a sensor resistor to the oscillation frequency

by a reference resistor in the same condition.

Kfx =

fOSCX (RT0–CS0 Oscillation)

fOSCX (RS0–CS0 Oscillation) ,

(x = 1, 2, 3)

fOSCX (RT0-1–CS0 Oscillation) fOSCX (RT1–CS1 Oscillation)

fOSCX (RS0–CS0 Oscillation) , fOSCX (RS1–CS1 Oscillation)

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