NJU6535 datasheet(1/30 Pages) NJRC

Part #	NJU6535

Description	1/3 , 1/4 Duty LCD Driver

Download	30 Pages

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Manufacturer	NJRC [New Japan Radio]

Direct Link	http://www.jrc.co.jp/eng/index.html

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1 / 30 page

02/08/06

NJU6535

-1 -

1/3 , 1/4 Duty LCD Driver

GENERAL DESCRIPTION

The NJU6535 is a 1/3 or 1/4 duty LCD driver for

segment

type

LCD

panel

with

key

scan

function

transmitting the 30 keys maximum scanned data (6 x 5 =

30) to CPU.

The NJU6535 chooses numbers of common, key scan,

and general purpose ports by instructions. Therefore, It

drives 126 segments at 1/3 duty in use of 3 commons and

42 segments or 164 segments at 1/4 duty in use of 4 and

41. Also it provides 4 general purpose output ports

maximum to drive LEDs or others directly.

Furthermore, the NJU6535 can select a LCD driving

voltage out of 8 steps voltage by the instruction to adjust

the display contrast of LCD panel.

FEATURES

42-segment Drivers

Programmable Duty Ratio

1/3 Duty : 126-segment (Maximum)

1/4 Duty : 164-segment (Maximum)

30-key Scan Function (6X5 matrix)

Needless for anti-reverse current diodes in key scan

Programmable Bias Ratio

1/2, 1/3 bias

Output Port for LED (maximum 4 LED)

Serial Interface (SI, SO, SCL, CS)

Useful Instruction set

Incorporated LCD Driving Voltage Generator Circuits

Electrical Variable Resistance (8-step)

Logic Operating Voltage

4.5 ~ 5.5V

LCD Driving Voltage

~5.5V

Package Outline

QFP64-G1

QFP64-H1

C-MOS Technology (Substrate :P)

Preliminary

PACKAGE OUTLINE

NJU6535FG1

NJU6535FH1

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NJU6535 Datasheet(PDF) 1 Page - New Japan Radio

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