Register Map — Gt911

For commands greater than 0x07, this register must be written before 0x8040 to improve ESD (Electrostatic Discharge) protection. Configuration Registers (0x8047 – 0x80FF)

If you want, I can produce a device-specific register map for your GT911 module—tell me the Product ID string or share the module's PCB markings. gt911 register map

— Config refresh command (write 0x01 to trigger config reload). For commands greater than 0x07, this register must

A read/write area used to set touch thresholds, resolution, and sensor behavior. Coordinate/Status Data (0x814E and above): A read/write area used to set touch thresholds,

| Offset | Field | Typical value | |--------|-------|----------------| | 0x8048 - 0x804D | X/Y resolution | Depends on display | | 0x8060 | Touch threshold | 0x46 (70 raw) | | 0x8061 | Filter coefficient | 0x05 | | 0x807C | I2C watchdog | 0x09 (9 sec) |

As the product began to ship, Alex received feedback from customers and colleagues alike. The documentation he created was being used extensively, and the GT911 register map was proving to be a valuable resource.