Kinetis K20 50 MHz Tower System Module

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Supported Devices

Processors and Microcontrollers

K1x Mainstream

K2x / KS2x USB



  • Tower connectivity for access to UART, SPI, I2C
  • Microphone, buzzer, and SAI (I2S) connector
  • Ready for USB 2.0 On-The-Go (full speed) connectivity
  • Tower® Plug-In (TWRPI) socket for sensor and touch boards expansion (keypads, rotary dials, sliders)


  • MMA8451Q 3-axis accelerometer
  • 2 x capacitive touchpads
  • K20DX128 in 64 LQFP, K20DX128VLH5
  • Integrated, open source JTAG
  • Plus: Potentiometer, four LEDs, pushbuttons, infrared port, and battery holder

Buy Options


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  • TWR-K20D50M

  • Tower System Development Board for Kinetis K10 and K20 (50 MHz) MCUs.

  • $113.85USD
  • For a quantity of 1
Order from distributors


Quick reference to our documentation types.

1-5 of 7 documents

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Design Files

Quick reference to our design files types.

2 design files


Quick reference to our software types.

2 software files

Note: For better experience, software downloads are recommended on desktop.


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