ST EVAL-L99MOD5xXP Bedienungsanleitung

Introduction

This document describes the STSW-L99MOD5xXP graphical user interface (GUI) dedicated to set and control the EVAL-

L99MOD5xXP family evaluation kit.

The EVAL-L99MOD5xXP evaluation kit consists in a motherboard and a daughterboard on which the L99MOD5xXP device is

assembled. Both of these evaluation boards provide electronic control modules with enhanced power management

functionalities including a standby mode. These evaluation boards are designed to drive multiple brushed DC motors and

additional loads in high-side configuration, such as bulbs, LEDs or protected supply.

The STSW-L99MOD5xXP has been developed using C++ and works with a motherboard based on an SPC560B microcontroller

which is programmed with a dedicated firmware to drive the specific L99MOD5xXP device assembled on the daughterboard.

How to use the EVAL-L99MOD5xXP evaluation kit

UM2654

User manual

UM2654 - Rev 1 - November 2019

For further information contact your local STMicroelectronics sales office.

www.st.com

1Evaluation kit connection

The following figure shows how to connect the evaluation kit.

Figure 1. Evaluation kit connection

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Evaluation kit connection

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2Evaluation kit installation

To install the evaluation kit, follow the instructions below:

1. Install the VISA and Run-Time Engine drivers on the computer running the demo tool. Run the two

downloaders below from the supplier's website to download and install the drivers:

2. Install the FTDI driver from the supplier's website.

3. Complete the connection as Figure 1. Evaluation kit connection shows, then power on the kit.

4. Run the “L99MOD5x.exe” and select the appropriate device from the list.

5. If you receive a communication error message, select the correct serial port manually according to your

setup.

6. Once the correct serial port is selected, the GUI will return the firmware version message.

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3Description of the graphical user interface

The following figures present the main windows of the graphical user interface.

Figure 2. Device selection

Figure 3. Common commands

1. Selection tabs

2. VISA Port: please select the appropriate serial port

3. Check sum mark: in case the checksum is correct, "OK" is displayed; otherwise, the indicator turns red and

"ERROR" is displayed

4. Continue Diagnose: if this option is checked, the GUI reads the status register continuously.

5. Read and Clear (R&C): when you click this button, the GUI will read and clear the status register once.

6. Reset: click this button to restore the GUI to the initial state

7. Stop: click this button to exit the GUI

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Description of the graphical user interface

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Figure 4. Standard control tab

1. OUT Control: half-bridge, high-side outputs control

2. Enable device button

3. Configuration registers settings

4. Diagnostic Status: if any of these states occur, the corresponding status display will become red. Once the

control register changes, the status register and all diagnostic information will be updated once.

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Figure 5. Current monitor and PWM tab

1. Current value display window

2. Current value

3. Current detection select output

4. Current monitor start button

5. Clear window value button

6. PWM configuration: on/off, frequency and duty cycle settings

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Figure 6. Control registers overview tab

It is possible to write directly in the register by clicking on the desired bit, as shown in Figure 6. Control registers

overview tab.

Figure 7. Status registers overview tab

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1. Status Registers: SR0…SR2: it is possible to read and clear all status registers once or read them

continuously. Once the control register changes, the status register and all diagnostic information will be

updated once.

2. Global Status Regster. this is device-dependant.

3. SPI History: the SPI commands sent to the device are recorded here.

4. Clear History: it clears the SPI history.

5. Continue Diagnose: if this option is checked, the GUI reads the status register continuously.

6. Read and Clear (R&C): when you click this button, the GUI will read and clear the status register once.

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Revision history

Table 1. Document revision history

Date Version Changes

20-Nov-2019 1 First release

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IMPORTANT NOTICE – PLEASE READ CAREFULLY

STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST

products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST

products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of

Purchasers’ products.

No license, express or implied, to any intellectual property right is granted by ST herein.

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.

ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service

names are the property of their respective owners.

Information in this document supersedes and replaces information previously supplied in any prior versions of this document.

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