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Getting started with the X-NUCLEO-53L8A1 Time-of-Flight expansion board
Introduction
The
X-NUCLEO-53L8A1
is an expansion board for any
connectors. It provides a complete evaluation kit that allows you to learn, evaluate, and develop applications based on the
VL53L8
series Time-of-Flight sensors.
The expansion board is delivered with a cover glass holder in which you can fit three different spacers of 0.25, 0.5, and 1 mm
height below the cover glass to simulate various air gaps. A small oval cover glass fitting the sensor is included.
Several ST expansion boards can be stacked through the Arduino connectors, which allow, for example, the development of
VL53L8
applications with Bluetooth or Wi-Fi interfaces.
Figure 1.
X-NUCLEO-53L8A1 expansion board, spacers, cover glass holder, and oval cover glass
UM3120 - Rev 1 - March 2023
For further information contact your local STMicroelectronics sales office.
based on the VL53L8 series for STM32 Nucleo
STM32 Nucleo
development board equipped with the Arduino R3
UM3120
User manual
www.st.com
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Summary of Contents for ST X-NUCLEO-53L8A1
- Page 1 The expansion board is delivered with a cover glass holder in which you can fit three different spacers of 0.25, 0.5, and 1 mm height below the cover glass to simulate various air gaps. A small oval cover glass fitting the sensor is included. Several ST expansion boards can be stacked through the Arduino connectors, which allow, for example, the development of VL53L8 applications with Bluetooth or Wi-Fi interfaces.
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Page 2: Getting Started
Getting started Getting started Safety considerations 1.1.1 Electrostatic precautions Warning: Take electrostatic precautions, including ground straps, when using the X-NUCLEO-53L8A1 expansion board. Failure to prevent electrostatic discharge could damage the device. Figure 2. Electrostatic logo 1.1.2 Laser safety considerations VL53L8CX contains a laser emitter and the corresponding drive circuitry. -
Page 3: Vl53L8 Series Time-Of-Flight Sensor Characteristics
Maximum laser power emitted : 215 mW • Integration time : 2 ms minimum Spacers and covers X-NUCLEO-53L8A1 expansion board is delivered with: • three spacers of 0.25 mm, 0.5 mm, and 1 mm height, used to simulate different air gaps between the VL53L8 and the rectangular-shaped cover glass;... -
Page 4: Using The Expansion Board
Arduino UNO R3 connectors (CN5, CN6, CN8, and CN9). I²C (up to 1 MHz) and SPI (up to 20 MHz) interfaces are available on the X-NUCLEO-53L8A1 expansion board. The user can choose between the two using the J9 jumper to configure the SPI_I2C_N signal as depicted in the following picture. -
Page 5: Breakout Boards
They can be connected to the X-NUCLEO-53L8A1 by using the mini PCB through flying wires (see Figure 9. VL53L8 mini PCB flying wire connection to the X-NUCLEO-53L8A1 expansion in SPI mode. J9 jumper with pin 1 and 2 connected). The schematic can be duplicated for the sensor on the right allowing the use of both mini PCB. - Page 6 SATEL-VL53L8 breakout boards can not be connected to the X-NUCLEO-53L8A1 expansion board Figure 8. VL53L8 mini PCB flying wire connection to the X-NUCLEO-53L8A1 expansion board in I2C mode. J9 jumper with pin 2 and 3 connected UM3120 - Rev 1...
- Page 7 UM3120 Breakout boards Figure 9. VL53L8 mini PCB flying wire connection to the X-NUCLEO-53L8A1 expansion in SPI mode. J9 jumper with pin 1 and 2 connected UM3120 - Rev 1 page 7/23...
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Page 8: Graphical User Interface (Gui) And Programming Example For The X-Nucleo-53L8A1
UM3120 Graphical user interface (GUI) and programming example for the X-NUCLEO-53L8A1 Graphical user interface (GUI) and programming example for the X-NUCLEO-53L8A1 To evaluate the VL53L8 device performance, use the related GUI or the X-CUBE-TOF1. X-NUCLEO-53L8A1 expansion board requires the NUCLEO-F401RE development board to use the GUI or run the ranging examples included in the X-CUBE-TOF1. -
Page 9: Schematic Diagrams
Clip Clip Note: The display connector is an optional connector to connect an SSD1306 I2C OLED display to output the ranging data or other meaningful information if required. The related application note and example code will be available on st.com. - Page 10 Figure 11. X-NUCLEO-53L8A1 circuit schematic (2 of 5) Nucleo Arduino connectors 5V_NUCLEO 3V3_NUCLEO HDR 8x1 Male 2.54mm 2.54mm, T/H, Vert PB10 PA10 2.54mm, T/H, Vert 2.54mm, T/H, Vert...
- Page 11 Figure 12. X-NUCLEO-53L8A1 circuit schematic (3 of 5) Power Section 1.8V LDO for CORE_1V8 and IOVDD 3.3V LDO for Level shifter s 3.3V LDO for AVDD LDK130M33RY AVDD IOVDD VIN_LDO VIN_LDO 5V_NUCLEO VIN_LDO SB1[1-2] 4.7uF 10uF PWR_EN 6.3V PWR_EN 4.7uF...
- Page 12 Figure 13. X-NUCLEO-53L8A1 circuit schematic (4 of 5) SENSOR IOVDD CORE_1V8_S NOTE J1[1-2] AVDD = 3V3 +/- 5% 100nF CORE_1V8 = 1V8 +/- 10% IOVDD = 1V8 +/- 10% AVDD IOVDD AVDD_S IOVDD_S J2[1-2] J3[1-2] 4.7uF 100nF IOVDD IOVDD GPIO1: Open drain Interrupt Output 2.2k...
- Page 13 Figure 14. X-NUCLEO-53L8A1 circuit schematic (5 of 5) Satellite board connector IOVDD AVDD IOVDD 5V_NUCLEO NOTE J6_Right CORE_1V8 and IOVDD is from the same 1.8V regulator PWR_EN MCLK_SCL MOSI_SDA MISO SPI_I2C_N HDR_11x1 Female 2.54mm J12_Right GPIO1 GPIO2 HDR_3x1 Female 2.54mm...
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Page 14: Bill Of Materials
UM3120 Bill of materials Bill of materials Table 3. X-NUCLEO-53L8A1 bill of materials Item Quantity Reference Part/value Description Manufacturer Order code CAP, CER, 1uF, 35V, X5R, C2, C4, C6 1 μF Murata GRM155R6YA105KE11D 0402 Capacitance, ceramic, 10 μF, 10 μF... - Page 15 UM3120 Bill of materials Item Quantity Reference Part/value Description Manufacturer Order code R21, R24, R25, Resistors, 10 k, 1 %, 1/16 W, 10 k Yageo RC0402FR-0710KL 0402 UM3120 - Rev 1 page 15/23...
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Page 16: Board Versions
X-NUCLEO-53L8A1 versions PCB version Schematic diagrams Bill of materials X$NUCLEO-53L8A1A X$NUCLEO-53L8A1A schematic diagrams X$NUCLEO-53L8A1A bill of materials 1. This code identifies the X-NUCLEO-53L8A1 evaluation board first version. It is printed on the board PCB. UM3120 - Rev 1 page 16/23... -
Page 17: Regulatory Compliance Information
UM3120 Regulatory compliance information Regulatory compliance information Formal Notice Required by the U.S. Federal Communications Commission For evaluation only; not FCC approved for resale FCC NOTICE This kit is designed to allow: (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and (2) Software developers to write software applications for use with the end product. -
Page 18: Appendix A References
UM3120 References Appendix A References • VL53L8CX: DS14161 • X-NUCLEO-53L8A1: DB4921 • X-CUBE-TOF1: DB4449 UM3120 - Rev 1 page 18/23... -
Page 19: Revision History
UM3120 Revision history Table 5. Document revision history Date Revision Changes 03-Mar-2023 Initial release. UM3120 - Rev 1 page 19/23... -
Page 20: Table Of Contents
Breakout boards..............5 Graphical user interface (GUI) and programming example for the X-NUCLEO-53L8A1 . -
Page 21: List Of Tables
X-NUCLEO-53L8A1 bill of materials ........ -
Page 22: List Of Figures
List of figures Figure 1. X-NUCLEO-53L8A1 expansion board, spacers, cover glass holder, and oval cover glass....1 Figure 2. Electrostatic logo ..............2 Figure 3. - Page 23 ST’s terms and conditions of sale in place at the time of order acknowledgment. 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’...
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