ST X-NUCLEO-53L3A2 Detailed Quick Start Manual
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ST X-NUCLEO-53L3A2 Detailed Quick Start Manual

Ranging sensor with multi target detection expansion board based on vl53l3cx for stm32
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Detailed Quick
Start Guide
Getting started with X-NUCLEO-53L3A2 ranging sensor with multi
target detection expansion board based on VL53L3CX for STM32
Introduction
This document provides detailed hardware information on
the X-NUCLEO-53L3A2 expansion board. This expansion
board is compatible with the STM32 Nucleo family and the
Arduino™ electronic boards. It is designed around the
VL53L3CX ranging sensor with multi target detection and
is based on the ST patented FlightSense™ technology.
To allow the user to validate the VL53L3CX in an
environment as close as possible to its final application,
the X-NUCLEO-53L3A1 expansion board is delivered with
a holder in which three different height spacers of 0.25,
0.5, and 1 mm can be fitted with the cover glass above the
spacer. The height spacers are used to simulate different
air gap distances between the VL53L1X sensor and the
cover glass.
The X-NUCLEO-53L3A2 expansion board is delivered with
two VL53L3CX breakout boards.
Figure 1. X-NUCLEO-53L3A2 expansion board,
spacers, cover glass, and breakout boards
May 2020
1/17
www.st.com

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Summary of Contents for ST X-NUCLEO-53L3A2

  • Page 1 Detailed Quick Start Guide Getting started with X-NUCLEO-53L3A2 ranging sensor with multi target detection expansion board based on VL53L3CX for STM32 Introduction This document provides detailed hardware information on the X-NUCLEO-53L3A2 expansion board. This expansion board is compatible with the STM32 Nucleo family and the Arduino™...

  • Page 2: Table Of Contents

    Document references ........3 X-NUCLEO-53L3A2 expansion board ......4 Overview .

  • Page 3: Overview

    Overview Overview The X-NUCLEO-53L3A2 expansion board features the VL53L3CX ranging sensor, based on ST’s FlightSense™, Time-of-Flight (ToF) technology. It is compatible with the STM32 Nucleo development board family, and with the Arduino UNO R3 connector layout. Several ST expansion boards can be stacked through the Arduino connectors, which allows, for example, the development of VL53L3CX applications with Bluetooth or Wi- Fi interfaces.

  • Page 4: Nucleo-53L3A2 Expansion Board

    X-NUCLEO-53L1A1 expansion board X-NUCLEO-53L3A2 expansion board This section describes the X-NUCLEO-53L3A2 expansion board features and provides useful information for understanding the electrical characteristics. Figure 2. X-NUCLEO-53L3A2 expansion board schematic diagram X-NUCLEO-53L3A2 expansion board VL53L3CX VL53L3CX VL53L3CX Overview The board allows the user to test the VL53L3CX functionality, to program it and to understand how to develop an application using the VL53L3CX.
  • Page 5 Arduino™ UNO R3 connectors CN5, CN6, CN8, and CN9 as shown Figure 3 and as described in Table 3 Table The X-NUCLEO-53L3A2 must be plugged onto the STM32 Nucleo development board through the Arduino™ UNO R3 connectors Figure 3. X-NUCLEO-53L3A expansion board connector layout 5/17...
  • Page 6 X-NUCLEO-53L1A1 expansion board Table 3. Left Arduino connector VL53L3CX X-NUCLEO-53L3A2 board number number name expansion board function IOREF Not used RESET Power 3.3 V supply CN6 power Not used Not used Interrupt signal from GPIO1 VL53L3CX on board soldered device...
  • Page 7 X-NUCLEO-53L1A1 expansion board Table 4. Right Arduino connector VL53L3CX X-NUCLEO-53L3A2 expansion board number number name board function I2C1_SCL I2C1_SDA AVDD Not used INT_L Not used CN5 digital By default not used, interrupt signal GPIO1_L INT_L* from optional VL53L3CX left breakout board...

  • Page 8: Electrical Schematic And List Of Materials

    X-NUCLEO-53L1A1 expansion board Electrical schematic and list of materials 3.2.1 Electrical schematic Figure 4. X-NUCLEO-53L3A2 expansion board schematic VL53L3CX 9/53/1 VL53L3CX application VL53L3CX Can be NC or grounded 8/17...

  • Page 9: List Of Materials

    X-NUCLEO-53L1A1 expansion board 3.2.2 List of materials Table 5. List of materials Components Value Reference Supplier Comments VL53L3CX application C1, C3 100 nF Supply voltage decoupling 4.7 µF X5R - 6.3 V 47 k Interrupt output pull up 47 k Reset input pull up R66, R67 4.7 k...

  • Page 10: Solder Drop Configurations

    GPIO expander C14, C15 100 nF Supply decoupling capacitor Solder drop configurations Solder drops allow the following configurations of the X-NUCLEO-53L3A2 expansion board: • If the developer wants to make an application with several expansion boards stacked and there is: –...
  • Page 11 X-NUCLE0-53L1A1 expansion board Figure 5. Interrupt configurations GPI01 configuration GPI01 L and GPI01 R shared-with GPI01 11/17...

  • Page 12: Integrated Device Pinning

    X-NUCLEO-53L1A1 expansion board Integrated device pinning Figure 6. Integrated device pinning 12/17...

  • Page 13: Vl53L3Cx Breakout Board

    VL53L3CX mini PCB board VL53L3CX The VL53L3CX breakout boards can be directly plugged onto the X-NUCLEO-53L3A2 expansion board through the two 10-pin connectors or connected to the board through flying leads. When connected through flying leads, developers should break off the mini PCB from the breakout board, and use only the “VL53L3CX mini PCB”...
  • Page 14 VL53L1X breakout board Figure 8. VL53L3CX mini PCB flying lead connection to X-NUCLEO-53L3A2 expansion board 14/17...

  • Page 15: Safety

    Electrostatic precaution Figure 9. Electrostatic logo The user should exercise electrostatic precautions, including using ground straps when using the X-NUCLEO-53L3A2 expansion board. Failure to prevent electrostatic discharge could damage the device. Laser considerations The VL53L3CX contains a laser emitter and corresponding drive circuitry. The laser output is designed to remain within Class 1 laser safety limits under all reasonably foreseeable conditions including single faults, in compliance with the IEC 60825-1:2014 (third edition).

  • Page 16: Revision History

    Revision history Revision history Table 6. Document revision history Date Revision Changes 18-05-2020 Initial release 16/17...
  • Page 17 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.

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