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User’s Guide

MCF8315EVM Evaluation Module

ABSTRACT

This document is provided with the MCF8315 customer evaluation module (EVM) as a supplement to the 
MCF8315 data sheet (

MCF8315A Three-Phase Sensorless-FOC BLDC Motor Driver

). This User's Guide details 

the hardware implementation of the EVM and how to setup and power the board.

Table of Contents

1 Cautions and Warnings

..........................................................................................................................................................

2

2 Introduction

.............................................................................................................................................................................

3

3 Quick Start Guide

....................................................................................................................................................................

4

4 Hardware and Software Overview

.........................................................................................................................................

5

4.1 Hardware Connections Overview – MCF8315EVM...........................................................................................................

5

4.2 Connection Details.............................................................................................................................................................

5

4.3 MSP430FR2355 Microcontroller & User Interface.............................................................................................................

7

4.4 LED Lights..........................................................................................................................................................................

8

4.5 User-Configurable Settings................................................................................................................................................

9

5 Hardware Setup

.....................................................................................................................................................................

11

6 MCF8315 GUI Application

....................................................................................................................................................

12

6.1 Running the GUI..............................................................................................................................................................

12

6.2 Offline Installer.................................................................................................................................................................

12

7 MSP430FR2355 Interface Firmware

....................................................................................................................................

14

7.1 Downloading Code Composer Studio and Importing MSP430FR2355 Interface Firmware Code...................................

14

7.2 Using the eZ-FET to Program the MSP430FR2355........................................................................................................

14

8 Schematics

............................................................................................................................................................................

16

8.1 Main Supply and Pi Filter.................................................................................................................................................

16

8.2 Connectors and Interface.................................................................................................................................................

16

8.3 USB to UART...................................................................................................................................................................

17

8.4 MCU Programming and Debug........................................................................................................................................

17

8.5 MSP430FR2355 MCU.....................................................................................................................................................

18

8.6 MCF8315 3-Phase Sensorless FOC Integrated Driver....................................................................................................

18

8.7 Buck Regulator.................................................................................................................................................................

19

8.8 Status LEDs.....................................................................................................................................................................

20

8.9 Switches and Speed Input...............................................................................................................................................

20

9 Revision History

...................................................................................................................................................................

20

Trademarks

LaunchPad

™

 is a trademark of Texas Instruments.

All trademarks are the property of their respective owners.

www.ti.com

Table of Contents

SLLU362 – DECEMBER 2022

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MCF8315EVM Evaluation Module

1

Copyright © 2022 Texas Instruments Incorporated

Summary of Contents for MCF8315EVM

Page 1: ... 6 MCF8315 GUI Application 12 6 1 Running the GUI 12 6 2 Offline Installer 12 7 MSP430FR2355 Interface Firmware 14 7 1 Downloading Code Composer Studio and Importing MSP430FR2355 Interface Firmware Code 14 7 2 Using the eZ FET to Program the MSP430FR2355 14 8 Schematics 16 8 1 Main Supply and Pi Filter 16 8 2 Connectors and Interface 16 8 3 USB to UART 17 8 4 MCU Programming and Debug 17 8 5 MSP43...

Page 2: ... EVM board HOT SURFACE Caution Hot Surface Contact may cause burns Do not touch Please take the proper precautions when operating Cautions and Warnings www ti com 2 MCF8315EVM Evaluation Module SLLU362 DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 3: ...ncludes an onboard FTDI chip to convert USB communication from the micro USB connector into UART and an onboard MSP430FR2355 MCU to interface with the MCF8315 It can also provide SPI communication for the SPI variant of the MCF8315 device There are many user selectable jumpers resistors connectors and test points to evaluate many features of the device and configure device specific settings This d...

Page 4: ...power supply 4 Connect the micro USB cable into the computer 5 Turn the potentiometer fully clockwise to set the motor to zero speed upon powerup 6 Flip the switch S1 to the right to configure BRAKE RUN switch S2 to the left to configure DIR ABC and switch S3 to the right to configure DRVOFF ON 7 Turn on the motor power supply 8 Use the potentiometer R4 to control the speed of the motor and the sw...

Page 5: ...315EVM in order to spin a 3 phase sensorless Brushless DC motor An 4 5 V to 35 V power supply or battery is connected to the VBAT or VM and PGND terminals on connector J7 There is a reverse polarity protection and Pi filter implemented on the VBAT and PGND terminals To bypass the reverse polarity protection and Pi filter connect the power supply to the VM terminal or VM test point on the board and...

Page 6: ...V power to power the MSP430FR2355 microcontroller The 5 V from the USB power is limited to 500 mA and the 3 3 V from the FTDI chip is limit to 30 mA If the user wishes to supply more current to these rails they may use the 5V_SEL jumper J3 and 3V3_SEL jumper J5 to connect external power rails Hardware and Software Overview www ti com 6 MCF8315EVM Evaluation Module SLLU362 DECEMBER 2022 Submit Docu...

Page 7: ...355 microcontroller The user can use the Reset RST button at any time to reset and restart the MCU program Two active low LEDs D6 and D7 can be used for debug purposes as well Finally a shunt jumper bridge on the 32 pin connector J6 ties all signals between the microcontroller and MCF8315 These jumpers can be inserted or removed as needed in order to isolate the microcontroller from the gate drive...

Page 8: ...4 5 shows the locations of the LEDs Table 4 1 Description of MCF8315EVM LEDs default in bold after powerup Designator Name Color Description D1 Buck Regulator Green Internal buck regulator is voltage output D2 nFAULT Red Lights up when fault condition has occurred on MCF8315 D3 ALARM Red Lights up when alarm condition has occurred on MCF8315 D4 VM Green Motor power is supplied to the board D6 MSP_...

Page 9: ...ption Layer Position Function L1 L2 R9 Buck Regulator mode User populates L1 L2 or R9 to choose switching component for buck regulator Top L1 47uH Inductor Inductor Mode Bottom L2 22 μH Inductor Mode Bottom R9 22 Ω Resistor Mode J5 3V3_SEL Select 3 3 V for MCU power Top J5 3V3EXT External J5 3V3COM From FTDI 30 mA J3 5V_SEL Select 5 V for FTDI power Top J3 5V_EXT External J3 5V_USB From USB power ...

Page 10: ...W DRVOFF DIR_SW DIR BRAKE_SW BRAKE SPEED_IN SPEED MSP_SOMI SCL MCx_SCL MSP_SIMO SDA MCx_SDA MSP_CLK NC MSP_STE NC MSP_A3 DACOUT2 SOX MSP_A2 DACOUT2 MSP_A1 DACOUT1 MSP_ALARM ALARM MSP_nFAULT nFAULT MSP_FG FG NC VBK AGND AGND S1 BRAKE Turns on all low side MOSFETs Top Left Brake enabled Right Brake disabled S2 DIR Controls direction of motor Top Left ABC Right ACB S3 DRVOFF Disables gate drivers Top...

Page 11: ...e jumper settings See Section 4 5 section for more information 3 Flash program into the MCU as described in Section 4 Launch the GUI in GUI Composer and disconnect the 4 pin JTAG connections 4 Connect a Micro USB cable to the MCF8315EVM and computer 5 Turn on the power supply and power up the PCB If using the MCF8315EVM with an external microcontroller remove all shunt jumpers from jumper bridge J...

Page 12: ...CF8315A GUI through the TI Cloud Gallery 6 1 Running the GUI The MCF8315A GUI can be run directly inside a web browser supported in Google Chrome and Firefox Figure 6 1 MCF8315A GUI Once the GUI is loaded follow the step by step Guided Tuning section of the GUI to configure the device 6 2 Offline Installer Alternatively the MCF8315A GUI can be downloaded and installed offline using the download fe...

Page 13: ...Figure 6 2 MCF8315A GUI Offline Installer www ti com MCF8315 GUI Application SLLU362 DECEMBER 2022 Submit Document Feedback MCF8315EVM Evaluation Module 13 Copyright 2022 Texas Instruments Incorporated ...

Page 14: ... user s preference Click the OK button to accept 4 In CCS click on the Project tab and select Import CCS Projects Click on Browse 5 Select the MCx8315EVM_MSP430FR2355_Firmware folder installed from step 1 6 Import the project MCx8315EVM_MSP430FR2355_Firmware into your workspace as shown in Figure 7 1 Figure 7 1 MSP430FR2355 Interface Firmware Code in Code Composer Studio 7 2 Using the eZ FET to Pr...

Page 15: ...o Program MSP430FR2355 MSP430 LaunchPad eZ FET Debug Probe Side J101 MCF8315EVM 4 pin SPI by Wire Header J4 GND GND 3V3 3 3V SBWTDIO SBWTDIO SBWTCK SBWTCK Figure 7 2 MSP430 LaunchPad eZ FET Probe Connected to MCF8315EVM www ti com MSP430FR2355 Interface Firmware SLLU362 DECEMBER 2022 Submit Document Feedback MCF8315EVM Evaluation Module 15 Copyright 2022 Texas Instruments Incorporated ...

Page 16: ...ain Supply and Pi Filter Schematic 8 2 Connectors and Interface Figure 8 2 Connectors and Interface Schematic Schematics www ti com 16 MCF8315EVM Evaluation Module SLLU362 DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 17: ...ART Schematic 8 4 MCU Programming and Debug Figure 8 4 MCU Programming and Debug Schematic www ti com Schematics SLLU362 DECEMBER 2022 Submit Document Feedback MCF8315EVM Evaluation Module 17 Copyright 2022 Texas Instruments Incorporated ...

Page 18: ...MCF8315 3 Phase Sensorless FOC Integrated Driver Figure 8 6 MCF8315 3 Phase Sensorless FOC Integrated Driver Schematic Schematics www ti com 18 MCF8315EVM Evaluation Module SLLU362 DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 19: ...8 7 Buck Regulator Figure 8 7 Buck Regulator Schematic www ti com Schematics SLLU362 DECEMBER 2022 Submit Document Feedback MCF8315EVM Evaluation Module 19 Copyright 2022 Texas Instruments Incorporated ...

Page 20: ...put 9 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version DATE REVISION NOTES December 2022 Initial Release Schematics www ti com 20 MCF8315EVM Evaluation Module SLLU362 DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 21: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Page 22: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Page 23: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Page 24: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Page 25: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Page 26: ...o change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you will fully indemn...

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