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8964 – 7inch Capacitive Touch LCD (C)/en

Aus JW Tech Wiki

Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

7-inch capacitive touch display with 800x480 resolution, RGB interface and I2C touch controller.

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Technical overview

  • The panel is a 7-inch multicolor graphic LCD with an 800 x 480 pixel resolution.
  • It includes a capacitive touchscreen.
  • Connection to the host is via an RGB interface (LCD32 / LCD7C-C).
  • The touch controller communicates over I2C in addition.
  • Older revisions used the GT811 as the touch controller; the current version uses the GT911.
  • According to the manufacturer, GT911 has higher susceptibility to interference than GT811.
  • The version can be identified using the visual marker shown in the wiki image.
  • Schematics, code examples, and datasheets are available for both versions.
  • The product falls under the LCD/OLED category and is marketed under the Waveshare brand.

Notes and version constraints

  • No specific commands or pin mappings are provided in the source; these must be derived from the schematics.
  • The exact hardware revision must be verified using the image, since behavior differs between GT811 and GT911.
  • GT911's higher interference susceptibility may require additional shielding in sensitive environments.
  • Missing information on power supply, drivers, compatibility with specific microcontrollers, and safety certifications; this requires supplier confirmation.

Source and revision record

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