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1.3inch LCD HAT FOR RASPBERRY PI
Specification
Operating voltage: 3.3V
Interface: SPI
LCD type: IPS
Controller: ST7789VM
Resolution: 240 (H) RGB x 240 (V)
Display size: 23.4（H）x 23.4（V）mm
Pixel size: 0.0975（H）x 0.0975（V）mm
Dimension: 65 x 30.2(mm)
Pinout
PIN Raspberry Pi Interface (BCM) Description
KEY1 P21 KEY1GPIO
KEY2 P20 KEY2GPIO
KEY3 P16 KEY3GPIO
Joystick UP P6 Upward direction of the Joystick
Joystick Down P19 Downward direction of the Joystick
Joystick Left P5 Left direction of the Joystick
Joystick Right P26 Right direction of the Joystick
Joystick Press P13 Press the Joystick
SCLK P11/SCLK SPI clock line
MOSI P10/MOS SPI data line
CS P8/CE0 Chip selection
DC P25 Data/Command control
RST P27 Reset
BL P24 Backlight
LCD and the controller
The ST7789VW is a singlechip controller/driver for 262Kcolor graphic type TFTLCD. It consists of 240 source line and 320 gate line driving circuits. The resolution of this LCD is 240 (H) RGB x 240(V) it supports horizontal mode and vertical mode and it doesn't use all the RAM of the controller.
This LCD accepts 8bits/9bits/16bits/18bits parallel interface that are RGB444 RGB565 RGB666. The color format used in demo codes is RGB565.
This LCD use a 4line SPI interface for reducing GPIO and fast speed.LCD