1.Features
SIZE 1.44 inch
Display Mode a-TFT
Display Format 128RGB*128 dots matrix
Input Data SPI interface
Drive IC ST7735S
Dimensional outline 30(W)*46.50(H)*3.45+/-0.1(T)mm
Resolution 128RGB*128 Dots
LCD Active area 25.50 (W)*26.50 (H)
Pixel size 0.20(W)*0.20(H)mm
Viewing Direction 12 o’clock
Operating Temperature -20~70°C
2.Pin Descriptions:
PIN No Symbol Description
1 GND Ground
2 VCC Power 3.3V
3 SCL Serial clock pin.
4 SDA Serial data input
5 RES LCM Reset pin
This pin is reset signal input. When the pin is low, initialization of the chip is
executed. Keep this pin pull high during normal operation.
6 DC Data/Command Control
7 CS Chip Select
8 BLK Backlight control pin
3. Connected to the microcontroller