3.2" 320x240 Resistive Touch LCD (D) - The Pi Hut

3.2" 320x240 Resistive Touch LCD (D)

Name: 3.2" 320x240 Resistive Touch LCD (D)
Brand: Waveshare
SKU: WAV-16498
Price: 16.50 GBP
Availability: InStock

WaveshareSKU: WAV-16498

£16.50

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This is a generic (not device-specific) resistive touch LCD from Waveshare, offering a 320x240 resolution with 256K colours.

The LCD has an onboard touch control chip (XPT2046) and LCD controller (ILI9341), with an 8080 16-bit interface + SPI.

It comes with online documentation covering the pinout/interfaces and includes example code for STM chips (specifically the STM32F103RCT6). Whilst hardcore programmers will enjoy figuring out the interface to use this display with various development boards, this display is likely not ideal for beginners as 'quick n easy' example code is limited.

Note: this product is intended for MCUs with 2.2V~3.6V IO voltage only.

Features

320x240 resolution LCD
262K colours for clear colour picture display
Resistive touch
Onboard touch control chip, a smoother touch effect than the touch panel controlled by AD pins
Backlight programmable for power saving
Online development resources and manual (example for STM32)

Specifications

Operating voltage: 3.3V
Interface: 8080 Parallel + SPI
Display Panel: TN
LCD Controller: ILI9341
Resolution: 320x240 pixels
Display size: 48.6 x 64.8mm
Pixel Pitch: 0.198 x 0.198mm
Module Size: 94.97 x 62.24mm

Interface

Pin	Symbol	Description	Function
1	5V	5V power supply	When powered from 5V supply,
			Pin 1 & Pin 2 as power input,
			Pin 33 & Pin 34 provide 3.3V output.
2	GND	Ground	GND
3 ~ 18	D0 ~ D15	Data pin	D0-D15
19	CS	LCD chip select	Low active
20	RS	Register selection	RS = 1 : Data Register
20	RS	Register selection	RS = 0 : Instruction Register
21	WR	Write	WR = 0, RD = 1
22	RD	Read	WR = 1, RD = 0
23	RESET	Reset the controller chip	Low active
24	NC	Not connect	Not connect
25	BLVCC	5V or 3.3V	Backlight VCC
26	BLGND	Ground	Backlight GND
27	BLCNT	Backlight brightness adjust	Control the backlight brightness via PWM
28	TP_IRQ	Touch panel interrupt	Low level while the touch panel detects pressing
29	TP_CS	Touch panel chip select	Low active
30	TP_SCK	Touch panel SPI clock	connects to SPI SCK
31	TP_SI	Touch panel data input	connects to SPI MOSI
32	TP_SO	Touch panel data output	connects to SPI MISO
33	3.3V	3.3V power supply	When powered from 3.3V supply,
			Pin 33 & Pin 34 as power input,
			Pin 1 & Pin 2 keep NC.
34	GND	Ground