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Fabricante

LC75834

1/4 Duty General-Purpose LCD Drivers

SANYO -> Panasonic 

Ordering number : ENN5597B

CMOS IC

LC75834E, 75834W, 75834JE

1/4 Duty General-Purpose

LCD Drivers

Overview

The LC75834E, LC75834W, and LC75834JE are 1/4 duty

general-purpose LCD drivers that can be used for

frequency display in electronic tuners under the control of

a microcontroller. The LC75834E and LC75834W can

drive an LCD with up to 136 segments directly, the

LC75834JE can drive an LCD with up to 120 segments

directly. The LC75834E and LC75834W and LC75834JE

can also control up to 8 general-purpose output ports.

Since the LC75834E, LC75834W, and LC75834JE use

separate power supply systems for the LCD drive block

and the logic block, the LCD driver block power-supply

voltage can be set to any voltage in the range 2.7 to 6.0

volts, regardless of the logic block power-supply voltage.

Features

• Supports both 1/4 duty 1/2 bias and 1/4 duty 1/3 bias

LCD drive under serial data control.

LC75834E, LC75834W: up to 136 segments

LC75834JE:

up to 120 segments

(without the S9, S18, S27, S34 segment output pins

from the LC75834E, LC75834W)

• Serial data input supports CCB format communication

with the system controller.

• Serial data control of the power-saving mode based

backup function and all the segments forced off function

• Serial data control of switching between the segment

output port and the general-purpose output port

functions

• High generality, since display data is displayed directly

without decoder intervention.

• Independent VLCD for the LCD driver block (VLCD can

be set to any voltage in the range 2.7 to 6.0 volts,

regardless of the logic block power-supply voltage.)

• The INH pin can force the display to the off state.

• RC oscillator circuit

Package Dimensions

unit: mm

3156-QFP48E

[LC75834E]

17.2

14.0

1.6

1.5 1.0 0.35

1.5

0.15

36

25

37

24

48

1

0.8

13

12

0.1

2.7

15.6

SANYO: QFP48E

Continued to next page.

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

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

bus addresses are controlled by SANYO.

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.

SANYO Electric Co.,Ltd. Semiconductor Company

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

O2099TH (OT)/93098HA (OT)/63097HA (OT) No. 5597-1/19

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