HD66130T 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD66130T

320-channel Low-voltage Segment Driver for Dot-Matrix STN Liquid Crystal Display

Hitachi -> Renesas Electronics 

Application Example

HD66130T

VLL, R

VML, R

VHL, R

VLCDL, R

VEEL, R

DIO1

DISP

SHL

MWS4–0

M

GND

CL

Vcc

MODE

VLCD

VH (COM)

Vcc

V0 (SEG)

VM

V1 (SEG)

GND

VL (COM)

VEE

COM1

COM2

COM3

COM4

COM5

COM236

COM237

COM238

COM239

COM240

LCD Panel

640 x 240

1/240 duty

Y320 to Y1

HD66130T

Y320 to Y1

HD66130T

Controller

Notes:

1. When designing the board, connect a capacitor near the IC to stabilize power supply. Use two capacitors of about

0.1 µF for each IC (between Vcc and GND, V0 and GND, VLCD and GND, and VEE and GND).

2. In addition, for the power supply circuit, connect a capacitor of several µF or several tens of µF between the liquid

crystal power supply and GND. For set evaluation, confirm that there is no inversion of liquid crystal drive power

supply and level power supply in the period between when the liquid crystal drive power supply is turned on and

when it is turned off.

3. Configuring the LCD panel using the HD66130 when using the select COMMON driver.

The select COMMON driver

COMMON driver

HD66131 (240OUT)

HD66133 (120OUT)

HD66135 (120OUT)

select

q

×

q

9

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