Spark Logic

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 package

ILI Technology ·

Check the display on a Core2 v1.0

Required

With 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.

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

Highlighted contacts are used in the required step or selected circuit. Select a contact to inspect it.

Core2 v1.0 LCD1 · 10-contact display flex
Use the LCD1 numbers in the Core2 v1.0 schematic to identify the flex contacts.
Selected pin details

5 · CS

Input · Inputs

Active-low select from ESP32 GPIO5.

M5Stack Core2 v1.0 LCD1 schematic and Core2 hardware PinMap.

Electrical limits · Pin in the reference

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.