ML9040-BXX Ver la hoja de datos (PDF) - Oki Electric Industry

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Fabricante

ML9040-BXX

DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER

Oki Electric Industry 

¡ Semiconductor

ML9040-Axx/-Bxx

PIN DESCRIPTIONS

Symbol

R/W

RS

E

DB0 - DB7

OSC1, OSC2

COM1 - COM16

SEG1 - SEG40

DO

CP

L

DF

VDD

GND

V1, V2, V3, V4, V5

Description

Read/write selection input pin.

"H" : Read, and "L" : Write

Register selection input pin.

"H" : Data register, and "L" : Instruction register

Input pin for data input/output with CPU and for instruction register activation.

Input/output pins for data send/receive with CPU

Clock oscillating pins required for internal operation upon receipt of the LCD drive signal

and CPU instruction.

LCD COMMON signal output pins.

LCD SEGMENT signal output pins.

Output pin to be connected to MSM5259 to expand the number of characters to be

displayed.

Clock output pin used when DO pin data output shifts inside of MSM5259.

Clock output pin for the serially transferred data to be latched to MSM5259.

The alternating current signal (Display Frequency) output pin.

Power supply pin.

Ground pin.

Bias voltage input pins to drive the LCD.

5

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