PindexThông tin chân & datasheet board

LilyGO T-Display-S3

LilyGO T-Display-S3 pinout table

ESP32-S3 + 1.9 inch ST7789 LCD (170×320), battery charger, 2 buttons.

Logic
3.3 V, not 5 V tolerant
Display
1.9" ST7789, 8-bit parallel interface
Power
USB-C 5 V or 3.7 V Li-Po battery
Notes
On battery/5V header you must set GPIO15 = HIGH
Pin
Battery voltage on GPIO4 (only with USB unplugged)
Default Arduino pins
SDA IO18 · SCL IO17 · MOSI IO11 · MISO IO13 · SCK IO12 · SS IO10 (arduino-esp32, lilygo_t_display_s3)
PinHeaderGPIOTypeFunctionsNotes
3V3P2-1–Power3.3 V outputBoard 3.3 V LDO output.
IO1P2-21AnalogADC1_CH0, TOUCH1
IO2P2-32AnalogADC1_CH1, TOUCH2
IO3P2-43Strapping ⚠ADC1_CH2, TOUCH3Strapping: selects the JTAG signal source. Avoid hard pulls at boot.
IO10P2-510AnalogADC1_CH9, TOUCH10, FSPICS0, Arduino SS
IO11P2-611AnalogADC2_CH0, TOUCH11, FSPID, Arduino MOSIADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
IO12P2-712AnalogADC2_CH1, TOUCH12, FSPICLK, Arduino SCKADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
IO13P2-813AnalogADC2_CH2, TOUCH13, FSPIQ, Arduino MISOADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
NCP2-9–NCNot connected
NCP2-10–NCNot connected
GNDP2-11–GNDGround
5VP2-12–Power5 V from USB-C / 5 V inputIf you feed 5 V here, pull GPIO15 (LCD_Power_On) HIGH for the board to run.
GNDP1-1–GNDGround
GNDP1-2–GNDGround
TXP1-343UART/I2CU0TXD, GPIO43UART0 TX: log and flashing over UART. Best left alone.
RXP1-444UART/I2CU0RXD, GPIO44UART0 RX: flashing over UART. Best left alone.
IO18P1-518AnalogADC2_CH7, U1RXD, I2C SDA (Touch version), Arduino SDAADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
IO17P1-617AnalogADC2_CH6, U1TXD, I2C SCL (Touch version), Arduino SCLADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
IO21P1-721GPIOTouch RES (Touch version)
IO16P1-816AnalogADC2_CH5, U0CTS · XTAL_32K_N, Touch INT (Touch version)ADC2 cannot be read while Wi-Fi is on. For ADC prefer ADC1 (IO1–IO10).
NCP1-9–NCNot connected
GNDP1-10–GNDGround
GNDP1-11–GNDGround
3V3P1-12–Power3.3 V outputBoard 3.3 V LDO output.

Manufacturer documents

All boards