MSM64P164 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM64P164

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

Oki Electric Industry 

¡ Semiconductor

MSM64P164

ELECTRICAL CHARACTERISTICS (3.0 V Spec.)

DC Characteristics

(VSS = 0 V, VDD2 = VDD = 3.0 V, Ta = 0 to +65°C unless otherwise specified)

Parameter Symbol

Condition

Measuring

Min. Typ. Max. Unit

Circuit

VDD1 Voltage

+100%

VDD1 Ca, Cb, C12 = 0.1 mF –20%

1.3 1.5 1.7 V

VDD3 Voltage

+100%

VDD3 Ca, Cb, C12 = 0.1 mF –20%

4.3 4.5 4.7 V

Crystal Oscillation

Start Voltage

Oscillation start time:

VSTA within 5 seconds

2.7 — — V

Crystal Oscillation

Hold Voltage

VHOLD

—

2.7 — — V

Crystal Oscillation

Stop Detection Time TSTOP

—

0.1 — 1000 ms

Internal Crystal

Oscillator Capacitance CG

External Crystal

Oscillator Capacitance CGEX

—

When external CG used

10 15 20 pF

1

10 — 30 pF

Internal Crystal

Oscillator Capacitance CD

—

10 15 20 pF

Internal 400k RC

Oscillator Capacitance COS

—

8

12 16 pF

400k RC Oscillation

Frequency

fOSC

External resistor ROS = 100 kW

VDD2 = 2.7 to 3.5 V

300

400

620 kHz

POR Generation

Voltage

VPOR1

When VDD2 is between VPOR1

and 3.0 V

0

— 0.7 V

POR Non-generation

Voltage

VPOR2

No POR when VDD2 is between

VPOR2 and 3.0 V

2.7

—

3

V

Notes: 1. "POR" denotes Power On Reset.

2. "TSTOP" indicates that if the crystal oscillator stops over the value of TSTOP, the

system reset occurs.

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