GT9271 Datasheet (Goodix) - 10-Point Capacitive Touch Controller

GT9271, 10-Point Capacitive Touch Controller

on Functions 14 8.1 Operating Modes14 a) Normal Mode 14 b) Green Mode 14 c) Gesture Mode15 GOODIX CONFIDENTIAL Reproduction and/or distribution of this document in whole or in part is strictly prohibited without written consent of GOODIX.

2 10-Point Capacitive Touch Controller for MID: GT9271

10-Point Capacitive Touch Controller for MID: GT9271 GT9271 10-Point Capacitive Touch Controller for MID Rev.04 Nov.11, 2014 ====== Disclaimer ====== The information concerning the device in this publication is intended for you only and is subject to change without prior notice.

It is your responsibility to ensure its application complies with technical specifications.

Shenzhen Huiding Technology Co., Ltd.

(hereafter referred to as “GOODIX”) makes no representation or guarantee

GT9271 Features

* 4 3. Block Diagram5 4. Pin Configurations 6 5. Sensor Design 7 5.1 Layout of Rx Channels 7 5.2 Layout of Tx Channels 7 5.3 Sensor Design Specifications 8 5.4 Touch Key Design 8 6. I2C Communication 9 6.1 I2C Timing 9 a) Data Transmission 11 b) Writing Data to GT9271 11 c) Reading Data from GT927112