NT3965 Ver la hoja de datos (PDF) - Novatek Microelectronics

Número de pieza

componentes Descripción

Fabricante

NT3965

TFT LCD Source Driver

Novatek Microelectronics 

NT3965

TFT LCD Source Driver

Application notice: relationship between LD, CLK, and output waveform

The output voltage is written to the LCD panel, and synchronized with the LD falling edge.

Output Circuit Block

Diagram

DAC

Vamp (in)

Output

Amp

Output Circuit Timing

Waveform

(1)

(2)

CLK

Vout

SW

LD

SW: ON

SW: OFF

SW: ON

Vamp(in)

Vout

High-Z

Remarks: 1. LD = "L" : SW = ON

LD = "H" : SW = OFF

2. LD = "H" is acknowledged at timing (1)

3. The display data latch is completed at timing (2) and the input voltage

(Vamp(in) : gray-scale level voltage) of the output amplifier changes.

12

Version 2.0

Share Link: