This is a 3.2-inch multicolor graphic LCD with a resolution of 320×240, equipped with a touch panel and stand-alone controllers. It is identified as the 3.2-inch 320×240 Touch LCD (D), which utilizes the ILI9341 TFT LCD driver chip capable of displaying 262144 colors. The chip has a resolution of 240×320 (RGB) and a RAM capacity of 172820 bytes (240 x 320x 18/8). Additionally, each pixel can reach a depth of 18 bits.
Features

320×240 resolution LCD, with 262K color for clear color picture display

Onboard touch control chip, smoother touch effect than the touch panel controlled by AD pins

Backlight programmable, more power saving

Comes with development resources and manual (example for STM32)

Resources
Wiki:www.waveshare.com/wiki/3.2inch_320x240_Touch_LCD_(D)

3.2inch 320×240 Touch LCD (D)
LCD Controller ILI9341, Touch Panel Controller XPT2046
Comes With Example For STM32

Interface Definition

Pin
No.

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
D0
Data cable
D0-D15

4
D1

5
D2

6
D3

7
D4

8
D5

9
D6

10
D7

11
D8

12
D9

13
D10

14
D11

15
D12

16
D13

17
D14

18
D15

19
CS
LCD chip selection signal
Low active

20
RS
Command/Data Register Selection
RS = 0: Command RegisterRS = 1: Data 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 adjustment
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 SPI 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

Note : this product works with MCUs with 2.2V~3.6V IO voltage ONLY.
Dimensions