Driving Unusual Resolutions: Custom Timing, EDID and Scaler Configuration
Driving unusual resolutions: custom timing entries, EDID behaviour, scaler or direct drive, colour depth limits and debugging out-of-range errors.
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Technical blog category
Interfaces, Touch & Signal Integrity
Choosing and debugging the interface: RGB, SPI, I2C, MCU, LVDS, MIPI DSI, eDP and HDMI, plus touch controllers, EMC, grounding and long-cable signal integrity.
- Bar-Type & Stretched Displays
- Custom Displays, Sourcing & Manufacturing
- Industrial & Specialist Displays
- Info
- Interfaces, Touch & Signal Integrity
- Medical & Clinical Displays
Interfaces, Touch & Signal Integrity articles
39 articles in this category.
Choosing a TFT Display Interface: RGB, SPI, MCU, LVDS, MIPI DSI, eDP and HDMI Compared
Differentiation page: publish the linked new page before the foundation rewrite of the old page. | Meta description: TFT display interface selection: RGB, SPI,…
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Grounding and Shielding Design for Display Modules
EMC problems in display assemblies are usually described in terms of symptoms - a flickering image when a motor starts, a touch panel that…
Read the noteeDP Link Training and AUX Channel Troubleshooting
Embedded DisplayPort brings a negotiation step that other display interfaces do not have. Before any pixels move, the source and the panel agree on…
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Linux DRM/KMS Panel Integration and Device-Tree Timing
Bringing a custom panel up on Linux is mostly a configuration task, and the configuration is spread across more places than most engineers expect:…
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Connector and Contact Reliability in Display Assemblies
Intermittent faults are the hardest failures to find, and a large share of them live in connectors. A display that flickers when the cabinet…
Read the noteTouch Screen Calibration: Why It Matters and How It Works
Calibration is the process that makes a touch coordinate mean the same thing as a display pixel. When it is wrong, taps land beside…
Read the noteeDP Interface for 2K and 4K Displays: Bandwidth and Design
eDP (embedded DisplayPort) is the interface of choice when a display outgrows SPI and parallel buses and needs a high-bandwidth serial link—2K and 4K…
Read the note10-Point Multi-Touch PCAP: How It Works and What It Buys You
"10-point multi-touch" is a spec-sheet number that most buyers never question and most products never use. It describes how many simultaneous touches a projected…
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Display Controllers Explained: GRAM, Refresh, and Timing
The display controller is the small processor embedded in or attached to the panel that turns host data into pixels. It stores the image,…
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