Adafruit 1.28" 240x240 Round TFT LCD Display with MicroSD [GC9A01A with EYESPI Connector]

Name: Adafruit 1.28" 240x240 Round TFT LCD Display with MicroSD [GC9A01A with EYESPI Connector]
Brand: Adafruit
SKU: 6178

STEP GLB

Round 1.28" 240x240 color TFT display based on the GC9A01A controller, with SPI interface, microSD socket, and EYESPI connector for easy wiring.

Logical pinout · physical placement not verified

VCC
Module supply; Waveshare 1.28inch LCD Module accepts 3.3V or 5V input
Type · PowerVoltage · 3.3
GND
Ground reference
Type · Ground
SCK
SPI clock (module label SCL)
Type · SPI
MOSI
SPI data in; module label SDA/DIN
Type · SPI
CS
SPI chip select for display, active low
Type · SPI
DC
Data/Command select pin
Type · GPIO
RST
Hardware reset, active low
Type · Control
BL
Backlight control; tie high for always-on or drive with PWM if the module exposes brightness control
Type · GPIO

Pin	Type	Function	Voltage
VCC	Power	Module supply; Waveshare 1.28inch LCD Module accepts 3.3V or 5V input	3.3
GND	Ground	Ground reference
SCK	SPI	SPI clock (module label SCL)
MOSI	SPI	SPI data in; module label SDA/DIN
CS	SPI	SPI chip select for display, active low
DC	GPIO	Data/Command select pin
RST	Control	Hardware reset, active low
BL	GPIO	Backlight control; tie high for always-on or drive with PWM if the module exposes brightness control

Logical pinout · physical placement not verified

Pin details

8 connections

VCC
Module supply; Waveshare 1.28inch LCD Module accepts 3.3V or 5V input
PowerVoltage · 3.3
GND
Ground reference
Ground
SCK
SPI clock (module label SCL)
SPI
MOSI
SPI data in; module label SDA/DIN
SPI
CS
SPI chip select for display, active low
SPI
DC
Data/Command select pin
GPIO
RST
Hardware reset, active low
Control
BL
Backlight control; tie high for always-on or drive with PWM if the module exposes brightness control
GPIO

Start wiring

SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout

Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…

Module pins: VCC, GND, SCK, MOSI, CS. Schematik maps them to your board in the app.

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Pinout