1.1 Board Features

  • MTCH2120 with 12 touch buttons on-board
    • Shield Selection between Driven shield and (+)Ground shield
    • Option to connect External Touch Sensor
  • SAMD21E18A Host Microcontroller
    • Host programmable via USB Mass Storage Boot Loader
    • Enumerates as USB CDC for connecting with MPLAB® Data Visualizer touch plugin
  • Option to use the external host MCU with the on-board MTCH2120
  • Option to use on-board the SAMD21 Host MCU with External MTCH2120
  • Power Options:
    • External or USB power supply
    • MTCH2120 voltage selection 5V/3.3V
    • Current measurement header
  • LEDs:
    • One Green LED for power indication
    • One Red LED for interrupt status from MTCH2120
    • Four blue LEDs for host MCU status
    • Touch Status red LED for each touch button
  • USB Type-C®Connector