Introduction: Why the HX8872-C Matters In the world of display technology, the bridge between a processor and an LCD panel is often a critical, yet overlooked, component. The HX8872-C is one such component—a specialized LCD driver IC designed by Himax Technologies. While many drivers fade into obsolescence, the HX8872-C remains a relevant solution for specific embedded systems, legacy hardware repairs, and cost-sensitive TFT display modules.
HX8872-C application note, HX8872-C vs ILI9341, HX8872-C pinout, HX8872-C Arduino library, HX8872-C replacement. Copyright notice: This article is for educational and engineering purposes. Refer to the official HX8872-C datasheet for absolute specifications. Himax Technologies retains all rights to the original datasheet content. hx8872-c datasheet
// Then configure LTDC peripheral for RGB interface: // HSYNC = 10, HBP = 20, HFP = 10, VSYNC = 2, VBP = 2, VFP = 2 // Pixel clock = 9MHz Q1: Is the HX8872-C compatible with 1.8V logic systems? Yes. The digital I/O pins can operate at 1.8V as long as VDDIO is supplied at 1.8V. Introduction: Why the HX8872-C Matters In the world
// Assume LCD_RST, LCD_CS, LCD_RS (D/C) defined void HX8872C_Init(void) // Hardware reset HAL_GPIO_WritePin(LCD_RST_GPIO_Port, LCD_RST_Pin, GPIO_PIN_RESET); HAL_Delay(10); HAL_GPIO_WritePin(LCD_RST_GPIO_Port, LCD_RST_Pin, GPIO_PIN_SET); HAL_Delay(120); // Send commands via SPI or MCU interface WriteCommand(0x11); // Sleep out HAL_Delay(120); WriteCommand(0x36); WriteData(0x00); // Normal orientation WriteCommand(0x3A); WriteData(0x05); // 16-bit RGB WriteCommand(0x29); // Display on Himax Technologies retains all rights to the original
In RGB mode, yes. The HX8872-C has no internal RAM; it refreshes directly from the incoming pixel stream. Your MCU must continuously send data.