High bit (bit 7) indicates if new touch data is available. Lower bits indicate number of touch points. Touch Data Registers
The register map is organized into functional blocks ranging from real-time commands to coordinate data reporting. Register Range Description Access Type Command and Status Read/Write (R/W) 0x8047 – 0x80FF Configuration Data Read/Write (R/W) 0x8100 – 0x813F Coordinate Data Read-Only (R) 0x8140 – 0x814E Product ID and Information Read-Only (R) Key Register Descriptions 1. Command Register (0x8040) gt911 register map
For those unfamiliar with the GT911, the register map is a crucial component that defines the chip's configuration and behavior. It's essentially a table that maps addresses to specific functions, allowing the host processor to communicate with the chip. The GT911 register map is divided into several sections, including the configuration registers, data registers, and status registers. High bit (bit 7) indicates if new touch data is available