lc75817ne Sanyo Semiconductor Corporation, lc75817ne Datasheet

lc75817ne

Manufacturer Part Number

lc75817ne

Description

1/8 To 1/10 Duty Lcd Display Controller Driver With Key Input

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LC75817NE.pdf (43 pages)

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Ordering number : ENN6144A

Overview

The LC75817NE and LC75817NW are 1/8 to 1/10 duty dot

matrix LCD display controllers/drivers that support the

display of characters, numbers, and symbols. In addition to

generating dot matrix LCD drive signals based on data

transferred serially from a microcontroller, the LC75817NE

and LC75817NW also provide on-chip character display

ROM and RAM to allow display systems to be implemented

easily. These products also provide up to 4 general-purpose

output ports and incorporate a key scan circuit that accepts

input from up to 30 keys to reduce printed circuit board

wiring.

Features

• Key input function for up to 30 keys (A key scan is

• Controls and drives a 5 7, 5 8, or 5 9 dot matrix LCD.

• Supports accessory display segment drive (up to 60

• Display technique: 1/8 duty 1/4 bias drive (5 7 dots)

• Display digits: 12 digits 1 line (5 7 dots, 5 8 dots)

• Display control memory

• Instruction function

performed only when a key is pressed.)

segments)

CGROM: 240 characters (5 7, 5 8, or 5 9 dots)

CGRAM: 16 characters (5 7, 5 8, or 5 9 dots)

ADRAM: 12 5 bits

DCRAM: 48 8 bits

Display on/off control

Display shift function

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

• CCB is a trademark of SANYO ELECTRIC CO., LTD.

• CCB is SANYO’s original bus format and all the bus

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

addresses are controlled by SANYO.

11 digits 1 line (5 9 dots)

SANYO Electric Co.,Ltd. Semiconductor Company

1/9 duty 1/4 bias drive (5 8 dots)

1/10 duty 1/4 bias drive (5 9 dots)

1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers

• Sleep mode can be used to reduce current drain.

• Built-in display contrast adjustment circuit

• Up to 4 general-purpose output ports are included.

• Serial data I/O supports CCB format communication

• Independent LCD driver block power supply VLCD

• A voltage detection type reset circuit is provided to

• The INH pin is provided. This pin turns off the display,

• RC oscillator circuit

with the system controller.

initialize the IC and prevent incorrect display.

disables key scanning, and forces the general-purpose

output ports to the low level.

LC75817NE, 75817NW

with Key Input Function

21202TN (OT) / 51099RM (OT) No. 6144-1/43

CMOS IC

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