Gt911 Register Map [verified] Jun 2026

Poll 0x8101 first. If it returns >0, then read the touch data.

For detailed hardware setup including pull-up resistor requirements (typically 2.2kΩ to 10kΩ), refer to the Focus LCDs Programming Guide Do you need a C/C++ code snippet gt911 register map

The GT911 loads its working configuration from internal flash at boot. You can override it by writing to 0x8040 – 0x80FF then sending the "update config" command. Poll 0x8101 first