SLVUDM2 October   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Quick Setup – Motor Run Mode
    2. 2.2 Quick Setup – OTP Programming Mode
    3. 2.3 Hardware Overview
      1. 2.3.1 Motor PCB connection to MC121EVM
      2. 2.3.2 External Analog Speed Input
      3. 2.3.3 Onboard 12V Boost Circuit
    4. 2.4 MSP430FR2355 Microcontroller
  8. 3Software
    1. 3.1 EVM Firmware
    2. 3.2 GUI Installation
    3. 3.3 Getting Started With Motorstudio for MC121
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  10. 5Additional Information
    1.     Trademarks

3.3 Getting Started With Motorstudio for MC121

Step1. Launch the MOTORSTUDIO GUI and select the "Single Phase Motor" to choose single phase BLDC drivers.

MC121EVM MOTORSTUDIO Single Phase Motor GUI Figure 3-1 MOTORSTUDIO Single Phase Motor GUI

Step2. If all the hardware connections are made properly according to section 2. The device is automatically detected

MC121EVM Auto-detect the MC121 or MC121-Q1 Figure 3-2 Auto-detect the MC121 or MC121-Q1

Step3. Now enter "Configure Mode" to configure the MC121 and tune to meet the application, Single Phase GUI provides the following options for tuning and evaluation of the device and motor.

  1. "Parameters and Register Map" section to configure the settings.
  2. "I2C controls" to give a speed command to the motor.

MC121EVM Parameters Tab, Register Map Tabs, and I2C Controls in Single Phase GUI Figure 3-3 Parameters Tab, Register Map Tabs, and I2C Controls in Single Phase GUI