Spark Logic

HX8357 display controller revisions

Himax HX8357 suffixes identify different controllers. The LCD module decides which interfaces are wired out and which connector pins control them.

Find the module and controller revision

ControllerDocumented module
HX8357BCrystalfontz module with a 50-contact interface. Verify the exact FPC and interface mode from the module drawing.
HX8357CTianma module with a 45-contact interface. Use its own reset, power and interface assignments.
HX8357DOrient Display 16-contact module. Check its serial interface and backlight wiring independently.

Before bring-up

  • Read the complete module label and count FPC contacts before choosing a map.
  • Use the panel data and power-up sequence for the exact module. Keep the LED backlight supply separate from the logic-rail design.

Manufacturer documents