UPD16682W Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

fabricante

UPD16682W

1/65 DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM

NEC => Renesas Technology 

µ PD16682

3.3 Driver System Pins

Pin Symbol

Pin Name

SEG0 to SEG131 Segment

COM0 to COM63 Common

COMS

Indicator common

VRS

Op amp inputs

VR

DUMMY1 to

DUMMY5

Dummy pins

Pad No. I/O

Function Description

122 to 253 Output Segment output pins

87 to 118, Output Common output pins

256 to 287

288 Output Common output pins for indicator

The same signal is output from pin 2.

53,54

Input These are input pins for the op amp that regulates the LCD driver

voltage.

Leave the VRS pin open when using the on-chip power supply.

55,56

When not using the on-chip power supply, a reference voltage

VREG must be input.

When using an external power supply, connect the VR pin to a

resistor used to regulate the LCD voltage.

1,85,86,

120,121

— Since these pins are not connected to any internal circuits, they

should be left open when they are not being used.

10

Data Sheet S13368EJ4V0DS

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