UPD16680 Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPD16680

1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM

NEC => Renesas Technology 

µPD16680

3.2 Logic System Pins (2/2)

Pin Symbol

Pin Name

AMPCHA

Amp mode select pin

VEXT

OSCIN

OSCOUT

OSCBRI

LCD reference supply

switching

Oscillation pin

Blinking Clock

Pin No.

79

77

80

81

83

I/O

Function Description

I Select operational amplifier mode.

At High level, “Level capacitor mode”.

At Low level, “LCD driving mode”.

I Select the method for supplying LCD power circuit. At High

level, LCD driving voltage is supplied external circuit. At Low

level, it is supplied internal circuit.

I These pins are connected with the 1 MΩ resistor. When using

external oscillation, input into the OSCIN , and leaving the

O OSCOUT open.

I This pin is oscillation input for Blinking. To input 2 Hz external

clock, when to use Blinking by external clock mode.

When not to use this pin, keep it H or L.

8

Data Sheet S12694EJ2V0DS00

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