Overview; Hx8257-A - Waveshare HX8257-A User Manual

1. Overview

Here are the main parameters of the LCD.
Module Type
Interfaces
Backlight
Response
(ms)
Contrast
Brightness(cd/m)
Display
area(mm)
Dot pitch (mm)
Chromatic index
Aspect ratio
Resolution
Power
Dissipation
Back
current
Operating
temperature(℃)

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:
TFT
LCD: 24-bit parallel RGA data input;
Touch panel: 4-wire resistive touch screen
LED
time
30
500:1
280
95.04(W)×53.86(H)
0.006(W)×0.198(H)
16,777,216
16:9
480 X 272 (Pixel)
56mW
facet
20mA
-20 ~ +70
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