Hx8872c Datasheet <EASY>
This article provides a comprehensive overview of the HX8872C, a high-performance TFT-LCD timing controller commonly used in small-to-medium-sized display modules. If you are an engineer or hobbyist looking for the "hx8872c datasheet" specifications, this guide covers the critical hardware parameters, pin configurations, and application use cases. Understanding the HX8872C TFT-LCD Timing Controller
The HX8872C is a specialized Integrated Circuit (IC) designed by Himax Technologies. Its primary role is to act as a Timing Controller (TCON), translating standard digital video signals into the specific timing and voltage requirements needed to drive a TFT-LCD panel. It is frequently found in 4.3-inch, 5.0-inch, and 7.0-inch displays used in automotive dashboards, industrial interfaces, and portable media players. 1. Key Technical Specifications
While the full datasheet contains hundreds of pages of timing diagrams, the core capabilities of the HX8872C include:
Supported Resolutions: Typically optimized for WVGA (800 x 480) or WQVGA (480 x 272) displays.
Interface Support: It utilizes a 24-bit Parallel RGB interface, allowing for 16.7 million colors.
Power Supply: Generally operates on a digital supply voltage ( VDDcap V sub cap D cap D end-sub
) of 3.3V, though it may have different voltage requirements for the analog driving section ( AVDDcap A cap V sub cap D cap D end-sub
Clock Frequency: Supports high-speed pixel clocks (DCLK) to ensure smooth frame rates (typically 60Hz).
Built-in Features: Includes integrated power management for the LCD gate and source drivers, as well as programmable gamma correction. 2. Pin Configuration and Functions
When reviewing the HX8872C datasheet for PCB design, pay close attention to these pin groups:
RGB Data Pins (R0-R7, G0-G7, B0-B7): These carry the color information for each pixel. Control Signals: DCLK (Data Clock): Synchronizes the data transfer.
HSYNC / VSYNC: Horizontal and Vertical sync signals to define the frame and line boundaries.
DE (Data Enable): Validates the data during the active display period. hx8872c datasheet
Configuration Pins: Pins like MODE or SCAN allow the user to flip the image orientation (top-to-bottom or left-to-right) via hardware strapping. 3. Application Use Cases
The HX8872C is a "workhorse" IC because of its reliability. You will most likely encounter it in: Industrial HMIs: Touchscreen panels on factory machinery.
Automotive Displays: Rear-view camera monitors and infotainment screens.
DIY Electronics: Many "generic" 40-pin or 50-pin TFT modules sold for Arduino or Raspberry Pi projects utilize this controller or its variants. 4. Integration Tips for Engineers
If you are integrating a display with an HX8872C into your project, keep these "gotchas" in mind:
Backlight Driving: The HX8872C handles the logic and timing, but it usually does not provide the high voltage needed for the LED backlight. You will need a separate constant-current LED driver.
Flexible Flat Cable (FFC): Most HX8872C-based screens use a 0.5mm pitch FFC. Ensure your connector footprint matches the pinout specified in your specific module’s version of the datasheet. Initialization: Unlike SPI or I2Ccap I squared cap C
displays, parallel RGB displays using the HX8872C often don't require a complex software initialization sequence; they "run" as long as the correct clock and sync signals are provided by your SoC/MCU. Conclusion
The HX8872C remains a popular choice for designers needing a balance between high-resolution color and straightforward parallel interfacing. When searching for the official PDF, always ensure you have the correct suffix (e.g., "C" vs. "A") as minor revisions can change voltage tolerances or power consumption profiles.
is a Timing Controller (T-CON) manufactured by Himax Technologies
specifically designed for high-definition (HD) display panels, such as those found in televisions and monitors. Key Technical Review Performance & Stability:
Reviews indicate it delivers a crisp, flicker-free output even under fluctuating voltage conditions, which often plague cheaper controller alternatives. Efficiency: It incorporates advanced Content Adaptive Backlight Control (CABC) This article provides a comprehensive overview of the
and over-drive technology. These features help maximize energy savings while maintaining high-quality image performance. Operating Range: The device typically operates at and supports a frequency range of 25–90MHz
, making it compatible with a wide variety of modern LCD and LED panels. Integration: It is housed in a compact 64-pin TQFP
(Thin Quad Flat Package), which simplifies its integration into display solutions. WIN SOURCE Datasheet Specifications Summary Specification Manufacturer Himax Technologies Max Resolution 1366 x 768 (HD) Clock Frequency
25MHz to 90MHz (Some variants support 30MHz specialized handling) Supply Voltage (VDD) 2.0V to 5.5V (Standard operating: 3.3V) Standby Current 1.0 to 2.0 μA Package Type TQFP-64 / QFP-64 Thermal Protection Automatic shutdown above 150°C Application & Compatibility Versatility:
The HX8872-C is highly compatible with various microcontrollers, including , ESP32, and legacy 8051-based systems using standard interfaces. Primary Uses:
It is commonly used in industrial control panels, digital meters, automotive navigation systems, and consumer electronics like digital cameras. Recommendation:
For your implementation, ensure you have a stable power source to prevent damage, as the operating voltage is sensitive to fluctuations despite the chip's internal regulation. Are you planning to use this in a high-refresh-rate display or a standard industrial interface 1PCS And new Original HX8872 HX8872-C ... - AliExpress
Pin Configuration
- RGB Data Pins: D0-D17 (configurable based on bit depth).
- Control Pins: CS# (Chip Select), SCL (Serial Clock), SDA (Serial Data), DC/RS (Data/Command Select).
- Power Pins: VCI (Digital Power), VDDI (IO Power), VSPR/VSNR (Gate Power inputs).
3.2 Recommended Operating Conditions (from datasheet):
| Parameter | Symbol | Min | Typ | Max | Unit | |-----------|--------|-----|-----|-----|------| | I/O Voltage | VDDIO | 1.65 | 1.8/3.3 | 3.47 | V | | Analog Core | VCI | 2.5 | 2.8 | 3.6 | V | | Digital Core | VDDC | 2.5 | 2.8 | 3.6 | V | | Operating Temp | TOP | -40 | 25 | 85 | °C |
Diagnostic Tip:
Use the TE (Tearing Effect) pin. As per the datasheet, a TE pulse indicates the driver is actively refreshing. If TE is stuck high or low, your initialization failed.
7. Timing & Packet Handling
- Packet buffer size: 2KB (supports max 1518-byte frames).
- Latency: <20μs for 64-byte frame (store-and-forward).
- Backpressure for half-duplex collision handling.
- Flow control: IEEE 802.3x full-duplex pause frames (pass-through).
HX8872C – Single Chip 10/100Base-TX to 100Base-FX Media Converter Controller
Technical Specifications
- Package: Available in compact, surface-mount packages to facilitate easy integration into display modules.
- Resolution Support: Varies, but typically supports HD and higher resolutions.
- Backlight Control: Often includes features for backlight management, possibly with PWM (Pulse Width Modulation) for dimming control.
For precise specifications, functional details, and the most current information, consulting the official datasheet provided by the manufacturer (e.g., HX8872C datasheet from the respective IC vendor) is essential. This information is critical for design engineers and developers to ensure accurate integration and optimal performance of the HX8872C in their applications.
Deep Dive into the HX8872-C: The High-Performance LCD Controller
If you’re working with small-to-medium-sized LCD panels, you’ve likely come across the HX8872-C. Manufactured by Himax, this component is a staple for engineers needing a reliable timing controller (T-CON) with built-in versatility. Pin Configuration
In this post, we’ll break down the technical highlights of the HX8872-C datasheet and how to integrate it into your next project. Key Technical Specifications
The HX8872-C is designed for efficiency and precision. Here are the core specs you need to know:
Package Type: Encapsulated in a QFP64 (64-pin Quad Flat Package), making it manageable for custom PCB designs.
Voltage Range: It operates within a flexible range, requiring a minimum input voltage of 3V and supporting a maximum output voltage of 5V.
Power Efficiency: The chip is rated for a maximum operating power of 1W, ensuring it doesn't become a heat bottleneck in compact devices.
Application: Primarily used for precision timing control in LCD displays, ensuring that RGB data is synchronized correctly across the panel. Why Choose the HX8872-C?
One of the standout features of this controller is its wide compatibility. Because it handles standard voltage ranges found in both low-power and high-powered devices, it can be dropped into a variety of systems without requiring extensive power-level shifting. For developers, the HX8872-C is prized for:
Stability: It provides the consistent signal timing necessary to prevent screen flickering or artifacts.
Versatility: It is suitable for both beginners and experts, often found in everything from industrial equipment to hobbyist development boards. Quick Tips for Implementation
Thermal Management: While 1W is relatively low power, ensure your PCB layout includes adequate copper pouring near the QFP64 package to help with heat dissipation.
Procurement Warning: Be aware that semiconductors like the HX8872-C are often sold under strict terms; many retailers, such as Latinafy, list them as non-returnable and without warranty once purchased. Always verify your circuit design before soldering! Finding the Full Datasheet
To get the pinout diagrams and specific timing charts (such as Horizontal/Vertical porch settings), you can find the comprehensive HX8872-C PDF on Alldatasheet. HX8872C Datasheet, PDF - ALLDATASHEET.COM
HX8872C. HX8872C Datasheet, PDF. Supports 18 bits parallel RGB input interface. Link to Datasheetᅵ Link Exchangeᅵ ALLDATASHEET.COM Himax HX8872-C Controlador LCD - Latinafy
