ST AN5717 Instrucciones de instalación y funcionamiento

Introduction

The purpose of this document is to describe how to set up and run the VL53L5CX-SATEL directly connected to an

STM32 Nucleo64 board.

The VL53L5CX-SATEL breakout boards can be used for easy integration into customer devices.

The PCB section supporting the VL53L5CX module is perforated so that developers can break off the mini PCB for use in

a 3.3 V supply application using flying wires. This makes it easier to integrate the VL53L5CX-SATEL breakout boards into

development and evaluation devices due to their small size.

The VL53L5CX-SATEL is designed to connect remotely the VL53L5CX sensor to any type of electronic controller. To quick

start such application, this document explains where to connect this board to the NUCLEO-F401RE board, where to find the

dedicated code example, and how to make it operate.

How to setup and run the VL53L5CX-SATEL using an STM32 Nucleo64 board

AN5717

Application note

AN5717 - Rev 2 - December 2021

For further information contact your local STMicroelectronics sales office.

www.st.com

1Hardware connections guidelines

1.1 Connecting the VL53L5CX-SATEL to a NUCLEO-F401RE board

The Figure 1. VL53L5CX-SATEL flying lead connection to NUCLEO-F401RE shows the schematic to connect

directly a VL53L5CX-SATEL board to a NUCLEO-F401RE board without the X-NUCLEO-53L5A1 expansion

board.

Figure 1. VL53L5CX-SATEL flying lead connection to NUCLEO-F401RE

The pin list connection between the boards is described in Table 1. Connections between VL53L5CX-SATEL and

NUCLEO-F401RE.

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Hardware connections guidelines

AN5717 - Rev 2 page 2/9

Table 1. Connections between VL53L5CX-SATEL and NUCLEO-F401RE

LEFT Connectors RIGHT Connectors

CN No. VL53L5C

X-SATEL Pin No. Pin Name MCU Pin MCU Pin Pin Name Pin No. VL53L5C

X-SATEL CN No.

- - - - - PB8 D15 10 SCL

CN5

Digital

- - - - - PB9 D14 9 SDA

- - - - - - AREF 8

- - - - - - GND 7 GND

CN6

Power

- 1 NC - PA5 D13 6

- 2 IOREF - PA6 D12 5

- 3 RESET NRST PA7 D11 4

IOVDD 4 +3V3 - PB6 D10 3

AVDD 5 +5V - PC7 D9 2

6 GND - PA9 D8 1

7 GND - - - - -

8 VIN - PA8 D7 8

CN9

Digital

- - - - PB10 D6 7

CN8

Analog

1 A0 PA0 PB4 D5 6

I2C_RST 2 A1 PA1 PB5 D4 5

INT 3 A2 PA4 PB3 D3 4

LPn 4 A3 PB0 PA10 D2 3

5 A4 PC1 PA2 D1 2

PWR_EN 6 A5 PC0 PA3 D0 1

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Connecting the VL53L5CX-SATEL to a NUCLEO-F401RE board

AN5717 - Rev 2 page 3/9

1.2 Connecting the breakout VL53L5CX-SATEL to a NUCLEO-F401RE board

For the mechanical integration purpose, user may use the satellite breakout PCB with its miniaturized size and

solder the wires on the PCB to connect to the NUCLEO-F401RE. Refer to Figure 2. VL53L5CX mini PCB flying

lead connection to NUCLEO-F401RE.

Note: Two additional pull up resistors to I2C lines are required. The resistors value can be in range of [2.2K to 4.7K]

Figure 2. VL53L5CX mini PCB flying lead connection to NUCLEO-F401RE

AN5717

Connecting the breakout VL53L5CX-SATEL to a NUCLEO-F401RE board

AN5717 - Rev 2 page 4/9

2Programming guidelines

The software project to make the sensor board work directly with the NUCLEO-F401RE is available on ST

website.

The user must download the package X-CUBE-TOF1, then install the X-CUBE-TOF1 SW pack in CubeMX.

The precompiled SW project is available under:

C:\Users\username\STM32Cube\Repository\Packs\STMicroelectronics\X-CUBE-TOF1\2.0.0\Projects\NUCLEO-

F401RE\Examples\CUSTOM\VL53L5CX_SimpleRanging.

A VL53L5CX-SATEL board project for NUCLEO-F4101RE is available in the directory tree as shown in the

following figure. The difference between ST common Expansion board X-NUCLEO-53L5A1 and this board is the

classification name. This project is part of the “CUSTOM” directory.

Figure 3. X-CUBE-TOF1 directory

The project is developed for IAR, Keil and STM32CubeIDE toolkits. The user can select any software

development kit and make it run.

Another method is to push directly the embedded software binary file. For such task, user can simply drag and

drop the binary file "VL..." located in the Binary directory, into the STM32 target represented by "NODE_F401RE"

in the PC file tree.

By default, the software programs the sensor in 4x4 mode. The result can be rendered using a serial tool (such as

Teraterm) to access the Nucleo COM port, as shown in Figure 4. Display rendering by default 4x4 mode.

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Programming guidelines

AN5717 - Rev 2 page 5/9

Figure 4. Display rendering by default 4x4 mode

This project embeds a bidirectional communication by UART. By default, some options can be triggered like the

resolution for example by typing “r”. It is switched to 8x8 mode as shown in Figure 5. Display rendering for 8x8

mode.

Figure 5. Display rendering for 8x8 mode

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Programming guidelines

AN5717 - Rev 2 page 6/9

Revision history

Table 2. Document revision history

Date Version Changes

14-Oct-2021 1 Initial release

09-Dec-2021 2

Added information regarding breakout board in Section Introduction.

Added Section 1.2 Connecting the breakout VL53L5CX-SATEL to a

NUCLEO-F401RE board.

AN5717

AN5717 - Rev 2 page 7/9

Contents

1Hardware connections guidelines..................................................2

1.1 Connecting the VL53L5CX-SATEL to a NUCLEO-F401RE board ......................2

1.2 Connecting the breakout VL53L5CX-SATEL to a NUCLEO-F401RE board ..............4

2Programming guidelines...........................................................5

Revision history ........................................................................7

Contents ...............................................................................8

AN5717

Contents

AN5717 - Rev 2 page 8/9

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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AN5717 - Rev 2 page 9/9

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