4inch Resistive Touch LCD, 480×800, 8080 Parallel Interface (WS-17143)

Overview

This is a multicolor graphic IPS LCD display, 4inch diagonal, 480×800 pixels, with resistive touch screen. It adopts 8080 parallel interface for LCD communication, and supports host controllers such as STM32.

Features

• 4inch 65K colorful screen
• 480×800 resolution, clear display
• Adopts 16-bit parallel bus transmission, fast data rate
• Onboard touch controller, smoother touch experience
• Programmable backlight control, power saving
• Comes with development resources and manual (examples for STM32)

Key Parameters

DRIVER	NT35510
TOUCH CONTROLLER	XPT2046
LCD TYPE	IPS
COMMUNICATION INTERFACE	LCD: 16-bit parallel Touch panel: SPI
DISPLAY COLORS	RGB, 65K colors
RESOLUTION	480 × 800
BACKLIGHT	LED
DISPLAY SIZE (MM)	51.84mm × 86.40mm
OUTLINE DIMENSIONS	59.0mm × 111.0mm
TOUCH TYPE	4-wire resistive
POWER SUPPLY VOLTAGE	5V/3.3V
LOGIC LEVEL	3.3V

Interface Definition

PIN	SYMBOL	DESCRIPTION	FUNCTION
1	5V	Power positive, 5V input	When P1 and P2 connecting with 5V power supply, the P33 and P34 will provide 3.3V output
2	GND	Ground	Ground
3~18	D0~D15	Data pin	16Bit bi-directional data line
19	LCD_CS	LCD chip select	Low active
20	DC	Data/Command selection	DC = 1 : data register DC = 0 : command register
21	WR	Write	WR = 0, RD = 1
22	RD	Read	WR = 1, RD = 0
23	RST	Reset	Low active
24	NC	Not connected	Floating
25	BL_VCC	5V OR 3.3V	Backlight VCC
26	GND	Ground	Backlight GND
27	BL	Backlight adjustment	Adjust the backlight brightness via PWM
28	TP_IRQ	Touch panel interrupt	Low when the panel is touched
29	TP_CS	Touch panel chip select	Low active
30	TP_SCK	Touch panel SPI clock	Connect to SPI.SCK
31	TP_SDI	Touch panel SPI data input	Connect to SPI.MOSI
32	TP_SDO	Touch panel SPI data output	Connect to SPI.MISO
33	3.3V	Power positive, 3.3V input	When P33 and P34 connecting with 3.3V power supply, leave the P1 and P2 floating
34	GND	Ground	Ground

External Dimension

Development Resources

Wiki : www.waveshare.com/wiki/4inch_Resistive_Touch_LCD