User Manual

2021/6/7 上午10:253.5inch RPi Display - LCD wiki
⻚码：4/7http://www.lcdwiki.com/3.5inch_RPi_Display
PIN NO. SYMBOL DESCRIPTION
1, 17 3.3V
Power positive (3.3V power
input)
2, 4 5V Power positive (5V power input)
3, 5, 7, 8,
10, 12, 13,
15, 16
NC NC
6, 9, 14, 20,
25
GND Ground
11 TP_IRQ
Touch Panel interrupt, low level
while the Touch Panel detects
touching
18 LCD_RS
Instruction/Data Register
selection
19
LCD_SI /
TP_SI
SPI data input of LCD/Touch
Panel
21 TP_SO SPI data output of Touch Panel
22 RST Reset
23
LCD_SCK
/ TP_SCK
SPI clock of LCD/Touch Panel
24 LCD_CS LCD chip selection, low active
26 TP_CS
Touch Panel chip selection, low
active
Driver Installation
This LCD Module need install driver first.
Step 1：Download the Raspbian IMG
https://www.raspberrypi.org/downloads/raspbian/
Step 2: Burn the system image
If you don't know how to do that,you can refer to the Raspberry Pi office tutorial (https://www.raspberrypi.org
/documentation/installation/installing-images/README.md)
Step 3: Open terminal(SSH) and install the driver on RaspberryPi
(tested on RaspberryPi 3B+,3B,2B,2B+,1B,ZERO)
Run:
sudo rm -rf LCD-show