Gt911 Register Map ((full)) Jun 2026

After reading all touch points, always write 0x00 back to 0x8009 . If you fail to do this, the GT911 will stop sending interrupts.

The GT911 register map is structured into functional blocks based on memory addresses: Address Range Description Configuration Registers Sets touch threshold, screen resolution, and refresh rate. 0x8140 – 0x8140 Command Register Used to trigger soft resets or change operating modes. 0x814E – 0x814E Touch Status gt911 register map

: Beginners often share the frustrating story of writing a perfect configuration only to have it disappear. The GT911 register map has a quirk where some configuration writes are temporary unless you trigger a specific reset sequence using the RESET and INT pins to "bake" the settings in. After reading all touch points, always write 0x00