Gt911 Register Map [updated]

The Goodix GT911 Go to product viewer dialog for this item. is a popular 5-point capacitive touch controller used in various small-to-medium-sized displays for automotive, mobile, and DIY electronics. Interfacing with this chip requires communicating via I2C and interacting with its structured internal memory known as the Register Map. Core Communication Basics

Accessing this map via I²C is the key to configuration, calibration, and raw data acquisition. This article provides an exhaustive deep dive into the GT911 register map, from basic addressing to advanced gesture recognition. gt911 register map

0x80FF–0x8100 — Config checksum (two bytes) and configuration related values. The Goodix GT911 Go to product viewer dialog for this item

The GT911 is a popular capacitive touch controller chip developed by Goodix, a leading provider of mixed-signal semiconductor solutions. The chip is widely used in various applications, including smartphones, tablets, laptops, and other consumer electronics. To communicate with the GT911 chip, a register map is used to configure and control its functions. In this story, we'll dive into the world of GT911 register maps and explore the intricacies of this complex technical topic. Core Communication Basics Accessing this map via I²C

0x8140 (also part of config) — see above.

Contains the X/Y coordinates and pressure for up to 5 simultaneous touch points. 0x8140 – 0x814E Product Information Includes the Product ID, firmware version, and hardware ID. Commonly Used Registers 0x8140 – 0x8143: Product ID (usually "911" in ASCII).