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GT1151 Datasheet

Capacitive touch chip functions

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HotKnot 系列 GT1151
GT1151
带有 HotKnot 功能的电容触控芯片
Rev.03——2014 07 21
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应用符合技术规范,是您自身应负的责任。深圳市汇顶科技股份有限公司(以下简称“GOODIX”)
对这些信息不作任何明示或暗示、书面或口头、法定或其他形式的声明或担保,包括但不限于针对
其使用情况、质量、性能、适销性或特定用途的适用性的声明或担保。GOODIX 对因这些信息及
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GOODIX

GT1151 Datasheet Preview

GT1151 Datasheet

Capacitive touch chip functions

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HotKnot 系列 GT1151
目录
1. 概述 ......................................................................................................................................4
2. 产品特点 ..............................................................................................................................4
3. 芯片原理框图 ......................................................................................................................6
4. 管脚定义 ..............................................................................................................................7
5. 传感器设计 ........................................................................................................................10
5.1. 感应通道排布 .........................................................................................................10
5.2. 驱动通道排布 .........................................................................................................10
5.3. 传感器设计参数要求 .............................................................................................10
5.4. 触摸按键设计 ......................................................................................................... 11
6. I2C 通讯...............................................................................................................................12
6.1. I2C 通讯....................................................................................................................12
a) 数据传输 ............................................................................................................14
b) GT1151 写操作.............................................................................................14
c) GT1151 读操作.............................................................................................15
7. HotKnot 模式 ......................................................................................................................16
7.1. 启动 HotKnot ..........................................................................................................16
7.2. TP 间数据传输 ........................................................................................................16
7.3. CPU GT1151 接收数据 ......................................................................................16
8. 功能描述 ............................................................................................................................17
8.1. 工作模式 .................................................................................................................17
a) Normal Mode ......................................................................................................17
b) Green Mode.........................................................................................................17
c) Gesture mode.......................................................................................................18
d) Sleep Mode..........................................................................................................18
e) Approach Mode ...................................................................................................18
f) Receive Mode ......................................................................................................19
g) Send Mode ..........................................................................................................19
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Part Number GT1151
Description Capacitive touch chip functions
Maker GOODIX
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