| Touch | Track ID Addr | X LSB | X MSB | Y LSB | Y MSB | Size Addr | |-------|---------------|-------|-------|-------|-------|-----------| | 1 | 0x814E | 0x814F | 0x8150 | 0x8151 | 0x8152 | 0x8153 | | 2 | 0x8152 | 0x8153 | 0x8154 | 0x8155 | 0x8156 | 0x8157 | | 3 | 0x8162 | 0x8163 | 0x8164 | 0x8165 | 0x8166 | 0x8167 | | 4 | 0x8172 | 0x8173 | 0x8174 | 0x8175 | 0x8176 | 0x8177 | | 5 | 0x8182 | 0x8183 | 0x8184 | 0x8185 | 0x8186 | 0x8187 |
While the full map is extensive, several specific registers are essential for basic drivers: 0x8040 (Command Register): Used to change operating modes. Writing saves current configurations to non-volatile memory, while gt911 register map
This article provides a deep dive into the GT911 memory architecture, explaining how to read the register map, how to configure the chip for optimal performance, and how to handle the data stream effectively. | Touch | Track ID Addr | X
This is the primary control register used to switch operating modes. 0x00: Normal working mode. 0x01: Soft reset (resets the internal MCU). 0x02: Sleep mode entry. 0x00: Normal working mode