MSM64153AL datasheet(6/25 Pages) OKI

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¡ Semiconductor

MSM64153A/64153AL

PIN DESCRIPTIONS

Basic Functions

Pad

—

Power

Supply

Digital supply voltage (0 V)

Description

Type

Function

Oscillation

Test

RESET

—

Digital negative power supply (1.5 V spec.)

Bias output for LCD driver (3.0 V spec.)

Digital negative power supply (3.0 V spec.)

Bias output for LCD driver (1.5 V spec.)

Bias output for LCD driver (–4.5 V)

For connection to capacitors that generate bias for the

LCD driver

Negative power supply voltage pin for internal logic

(An internally generated constant voltage is present at this pin.)

Clock oscillation pins:

Either a crystal (32.768 kHz) and a capacitor (10 to 30 pF)

are connected to these pins or a resistor (1 MW) is.

Input pins for test

System reset input pin :

Setting this pin to "H" level puts this device into a reset state.

Then, setting this pin to "L" level starts executing an

instruction from address 0000H.

This pin is internally connected to VSS1 or VSS2 through a

pull-down resistor.

Symbol

VDD

VSS1

VSS2

VSS3

VSSL

OSCO

OSC1

TST1

TST2

TST3

RESET

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