NJU6538 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJU6538

1/8, 1/9, 1/10 Duty BITMAP LCD DRIVER with KEY SCAN

Japan Radio Corporation  

APPLICATION CIRCUIT

NJU6538

VDD

*1

VSS

MPU

VLCD

*3

*2

*3

*3

*3

*3

VSS

VDD

VSS

RESb

CE

SC

SIO

VLCD1

VLCD2

V0

V1

V2

COM1

COM10

7com 65seg matrix

+195 icon LCD panel

SEG1

NJU6538 SEG65

Po0

Po1

Po2

Po3/S0

General output ports

VSS

OSC

5 x5 key matrix *4

*1 The rising time of Power source voltage at Power on and the falling time at Power off must keep over than 1ms

because of Voltage detection type Reset circuit operation.

*2 SO terminal requires external pull-up resistor connecting to Power source of external MPU because of Open-drain

type output.

*3 This capacitor for bias voltage stabilization should be connected in accordance with display quality in application.

*4 PO3 / S0 terminal is general output ports and Key scan signal output duplicated-function terminals. A function must be

selected either Segment output or other.

Ver.2003-05-09

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

- 27 -

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