Touch sensor/touch button#

This document corresponds to the touchkey library. Only air101/air103 support this function.

Hardware correspondence table#

sensor id

corresponding GPIO

1

PA_07

2

PA_09

3

PA_10

4

PB_00

5

PB_01

6

PB_02

7

PB_03

8

PB_04

9

PB_05

10

PB_06

11

PB_07

12

PB_08

13

PB_09

14

PA_12

15

PA_14

Design Requirements#

Due to the characteristics of the touch sensor, a specific PCB design is required, please refer to the manual

touch_sensor Design Guide v1.0.pdf