Contents
1. Overview........................................................................................................................................................ 4
2. Features.........................................................................................................................................................4
3. Block Diagram...............................................................................................................................................5
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............................................................................................................ 7
5.4 Touch Key Design................................................................................................................................ 8
6. I
2
C Communication...................................................................................................................................... 9
6.1 I
2
C Timing.......................................................................................................................................... 9
a) Data Transmission..................................................................................................................... 11
b) Writing Data to GT911............................................................................................................... 11
c) Reading Data from GT911....................................................................................................... 12
7. HotKnot Mode.............................................................................................................................................13
7.1 Start HotKnot...................................................................................................................................... 13
7.2 Data Transmission between TPs.....................................................................................................13
7.3 Host Receives Data from GT911.....................................................................................................13
8. Description on Functions.......................................................................................................................... 14
8.1 Operating Modes............................................................................................................................14
a) Normal Mode.............................................................................................................................. 14
b) Green Mode................................................................................................................................ 15
c) Gesture Mode.............................................................................................................................15
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