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If you are using an STM32, ESP32, or Raspberry Pi Pico to drive the HX8872-C, pay attention to these parameters from the datasheet:
Failure to meet these timings results in flickering, shifted images, or a blank screen.
No datasheet is perfect. For the HX8872-C, an engineer would ask: hx8872-c datasheet
The most requested section of any hx8872-c datasheet is the pinout. While the exact pin numbers vary by package, the functional groups remain consistent.
Verify actual pin names and order on the official package drawing. If you are using an STM32, ESP32, or
Because the HX8872-C is a proprietary component from Himax Technologies, the full datasheet (80-120 pages) is not always publicly available due to NDA restrictions. To get the complete document:
Warning: Many online "datasheet" sites host outdated or incorrect versions. Always verify the revision letter (e.g., Rev. C vs Rev. A). Failure to meet these timings results in flickering,
The HX8872-C uses a fine-pitch COG package with 50–80 pins depending on the variant. Critical pins include:
| Pin Name | Type | Description |
| :--- | :--- | :--- |
| RESET | Input | Hardware reset (active low). Required pulse >10µs. |
| IM0-IM2 | Input | Interface mode selection (e.g., 101 = RGB 18-bit). |
| VSYNC, HSYNC, DOTCLK | Input | RGB interface timing signals. |
| DB[17:0] | I/O | Data bus (RGB or MCU mode). |
| VCOM | Output | Reference voltage for LCD common electrode. |
| GMSEL | Input | Gate modulation selection (charge sharing). |
| VCI | Power | Analog power supply (2.5V–3.3V). |
Pro Tip: Always cross-reference the pin mapping with your specific LCD module’s FPC (Flexible Printed Circuit) layout, as OEMs sometimes reorder pins.
| Pin Name | Type | Description | | :--- | :--- | :--- | | VDDIO | Power | I/O power supply (1.8V – 3.3V). | | VDDC | Power | Core logic power (1.2V). Can be derived from internal LDO. | | VDD_PLL | Power | PLL analog power (1.2V, clean supply required). | | VDD_MIPI | Power | MIPI PHY power (1.2V). | | VGH/VGL | Power (optional) | Gate driver supplies if IC includes timing controller (TCON) functions. | | GND | Ground | Digital and analog ground plane. |