ILI9342 TFT LCD controller connection guide
ILI9342 TFT LCD controller Core2 v1.0 LCD1 · 10-contact display flex wiring guide with power, signal assignments, and bench checks.
Core2 v1.0 LCD1 · 10-contact display flex
10 contacts Current packageCheck the display on a Core2 v1.0
RequiredWith the Core2 powered off, seat the matching LCD flex in LCD1. Use the Core2 firmware target and its display initialization for the AXP192-equipped board.
- LCD ground
- MOSI
- MOSI (2)
- ESP32 GPIO23
- MISO
- MISO (3)
- ESP32 GPIO38
- SCK
- SCK (4)
- ESP32 GPIO18
- CS
- CS (5)
- ESP32 GPIO5
- RST
- RST (6)
- AXP192 IO4
- D/C
- D/C (7)
- ESP32 GPIO15
- VDD
- VDD (8)
- AXP192 LDO2 through PERI_VDD
- LED_A
- LED_A (9)
- AXP192 DC3 through LCD_BL
Bench checks
- Start the manufacturer’s Core2 display example and draw a full-screen color pattern.
- If the panel stays blank, check panel VDD, the backlight rail and reset first. Then check the SPI signals at LCD1.
M5Stack Core2 v1.0 LCD1 schematic and Core2 hardware PinMap. ILI Technology ILI9342C datasheet. The M5Stack Core2 hardware PinMap identifies the PMIC and GPIO signals.
Core2 v1.0 LCD1 · 10-contact display flex wiring map
Core2 v1.0 LCD1 · 10-contact display flex
7 · D/C
Data or command selection from ESP32 GPIO15.
Models and documents
The map covers the original Core2 v1.0 LCD1 connection in the M5Stack schematic. Its ESP32 and AXP192 assignments are specific to that board revision.
- M5Stack Core2 v1.0 LCD1
- LCD1 10-contact display connection, separate from the capacitive touch connection.
- M5Stack Core2 v1.0 (ILI9342C) manufacturer documentation· M5Stack Core2 v1.0 LCD1 schematic and Core2 hardware PinMap.
- ILI9342 controller datasheet· ILI Technology ILI9342C datasheet. The M5Stack Core2 hardware PinMap identifies the PMIC and GPIO signals.
