[Nuvoton MCU Online Workshop] Touch Key

Nuvoton MCU Online Workshop

Touch Key

Here are some resources to help you get started with Nuvoton MCU and touch-related development.

These materials include hardware, software, and sample codes. Moreover, to avoid any touch hardware issues, please contact us if needed any check on PCB design and PCB layout.

1. Video Tutorials

• Capacitive Touch Key Technology
• Capacitive Touch Key PCB Design
• Touch Key LCD Library
• Touch Key Tuning Utility
• Waterproof and Noise Immunity

2. Evaluation Board

The development boards listed below all feature an onboard touch key, which can be used for evaluating touch key functionality and understanding hardware design.

• 1T 8051 core
  • NuMaker-ML56SD
    • Introduction Page
    • User Manual
    • Schematic
• Arm Cortex-M23 core
  • NuMaker-M258KE
    • Introduction Page
    • User Manual
      
    • Schematic

• • NuMaker-M258KG
    • Introduction Page
    • User Manual
    • Schematic

3. Sample Code

Please download M258 Board Support Package or ML56 Board Support Package, depending on the board you are using. The sample code is located in the following folder path and demonstrates switching the LCD panel through the touch key.

• ML51_BSP_KEIL/SampleCode/NK_ML56SD/NK_ML56SD_LCDTKView
• M251BSP/SampleCode/NuMaker-M258KE/NK_M258KE_LCD_TK
• M251BSP/SampleCode/NuMaker-M258KG/NK_M258KG_LCD_TK

4. Touch Key Calibration Tool - NuSenadj.exe

Please download M258 Board Support Package or ML56 Board Support Package, depending on the board you are using. The tool is located in the following folder path.

• ML51_BSP_KEIL/TK-Utility/NuSenadj
• M251BSP/Tool/TK

5. Design Guide Document

• AN_0000_NuMaker_M258KE_Touch_Key_Design_Guide_EN_Preliminary.pdf
  This document notes how to develop the touch key system, which includes the introduction and guideline of capacitive touch key technology, PCB design, sample code, touch key library and NuSenadj developing tool. 

6. Related Demo

• Magic Board - use 3 touch keys on the PCB
• NuMaker-ITOCooker - use 20 ITO(Indium Tin Oxide) touch keys implemented in the COM segment LCD panel