1
1. Overview
Here are the main parameters of the LCD.
Module Type
TFT
Interfaces
LCD: 24-bit parallel RGA data input;
Touch panel: 4-wire resistive touch screen
Backlight
LED
Response
time
(ms)
30
Contrast
500:1
Brightness(cd/m)
280
Display
area(mm)
95.04(W)×53.86(H)
Dot pitch (mm)
0.006(W)×0.198(H)
Chromatic index
16,777,216
Aspect ratio
16:9
Resolution
480 X 272 (Pixel)
Power
Dissipation
56mW
Back
facet
current
20mA
Operating
temperature(
℃
)
-20 ~ +70
1.1 HX8257-A
HX8257-A is a TFT LCD single chip digital driver with features below:
Support 480RGBx272 or 480RGBx240 graphics display TFT LCD panel;
Support 8-bit serial RGB data and 24-bit parallel RGB data input;
Power supply VDD: 1.8V~3.6V;
720-channel source outputs and 544-channel gate outputs;
PWM control function to generate power for backlight.
When applying HX8257-A, a MCU with LCD controller is required, since the LCD
controller is not included in this LCD. Here is the basic sequence of HX8257-A: