Getting Started with the FRDM-K28F | NXP Semiconductors

Getting Started with the FRDM-K28F

Last Modified: 2019-03-25 14:04:00Supports FRDM-K28F | K27/K28 | Dev Board

Contents of this document

  • 1

    Plug It In
  • 2

    Get Software
  • 3

    Build, Run
  • 4

    Create

1. Plug It In

Let's take your FRDM-K28F for a test drive! You have the choice of watching the sequence in a short video or following the detailed actions list below.

1.1 Getting Started with the FRDM-K28F Development Board

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    1.2 Attach the USB Cable

    GS-FRDM-K28F-Board-Connector

    Getting Started FRDM-K28F Image

    1.3 Run the Out-of-Box Demo

    Your FRDM-K28F comes loaded with a "LED blinky" demo that blinks at a 1 Hz rate. When the board is powered, the RGB LED will flash "red" on and off.

    GS-FRDM-K28F-OUT-BOX-DEMO2

    Getting Started FRDM-K28F Image

    GS-FRDM-K28F-OUT-BOX-DEMO1

    Getting Started FRDM-K28F Image

    2. Get Software

    2.1 Installing Software for the FRDM-K28F

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    2.2 Jump Start Your Design with the MCUXpresso SDK

    The MCUXpresso SDK is complimentary and includes full source code under a permissive open-source license for all hardware abstraction and peripheral driver software. Want to learn about SDK?

    Click below to download a pre-configured SDK release for the FRDM-K28F.

    Get MCUXpresso SDK

    You can also use the online SDK Builder  to create a custom SDK package for the FRDM-K28F using the SDK builder.

    2.3 Install Your Toolchain

    NXP offers a complimentary toolchain called MCUXpresso IDE.

    Get MCUXpresso IDE

    Want to use a different toolchain?

    No problem! The MCUXpresso SDK includes support for other tools such as IAR , Keil  and command-line GCC .

    2.4 MCUXpresso Config Tools

    The MCUXpresso Config Tools is an integrated suite of configuration tools that guides users in creating new MCUXpresso SDK projects, and also provides pin and clock tools to generate initialization C code for custom board support.

    Get MCUXpresso Config Tools

    2.5 PC Configuration

    Many of the example applications output data over the MCU UART so you'll want to make sure that the driver for the board's virtual COM port is installed. Before you run the driver installer, you MUST have the board plugged in to your PC.

    Download Driver

    With the serial port driver installed, run your favorite terminal application to view the serial output from the MCU's UART. Configure the terminal to 115,200 baud rate, 8 data bits, no parity and 1 stop bit. To determine the port number of the FRDM-K28F's virtual COM port, open the device manager and look under the "Ports" group.

    Not sure how to use a terminal application? Try one of these tutorials: Tera Term Tutorial, PuTTY Tutorial.

    3. Build, Run

    3.1 Build and Run SDK Demos on the FRDM-K28F

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      3.2 Explore the MCUXpresso SDK Example Code

      The MCUXpresso SDK comes with a long list of example applications code. To see what's available, browse to the SDK boards folder of your SDK installation and select your board, the FRDM-K28F (<sdk_install_directory>/boards/frdmk28f).

      To learn more about specific example code, open the readme.txt file in an example’s directory.

      3.3 Build, Run and Debug MCUXpresso SDK Examples

      If one or more of the demo applications or driver examples sounds interesting, you're probably wanting to know how you can build and debug yourself. The Getting Started with MCUXpresso SDK guide provides easy, step-by-step instructions on how to configure, build, and debug demos for all toolchains supported by the SDK.

      Use the guide below to learn how to open, build and debug an example application using the MCUXpresso IDE.

      Using a different toolchain?

      4. Create

      4.1 Create an Application for the FRDM-K28F

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        4.2 Clone an Example Project from MCUXpresso SDK

        Option A: Use the MCUXpresso IDE to clone an example project.

        Option B: Use the MCUXpresso Config Tools to clone an existing MCUXpresso SDK example for use with third party IDEs.

        4.3 Use the Pins Tool

        Now, let's use the Pins Tool that is part of the MCUXpresso Config Tools package to show how to add a new GPIO pin to your project to blink an LED.

        4.4 Use the Clocks Tool

        Next, use the Clocks Tool that is part of the MCUXpresso Config Tools package to change the clock settings and change the rate that the LED blinks.

        4.5 Success

        With the application modified, you will see the FRDM-K28F's red LED slowly blinking. You can also view terminal output using the terminal program.