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Silicon Laboratories UG190: EZR32HG User Manual
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Silicon Laboratories UG190: EZR32HG User Manual

Silicon Laboratories UG190: EZR32HG User Manual

868 mhz 16 dbm wireless starter kit
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UG190: EZR32HG 868 MHz 16 dBm
Wireless Starter Kit User's Guide
A Wireless Starter Kit with the BRD4546A Radio Board is an ex-
cellent starting point to get familiar with the EZR32™ Happy
Gecko Wireless Microcontroller, and it provides all necessary tools
for developing a Silicon Labs wireless application.
BRD4546A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref-
erence design for the EZR32HG Wireless MCU, with matching network for 16 dBm out-
put power, and an SMA connector for the 868 MHz band. The radio board also features
a USB Micro-B connector with device mode support.
The Wireless Starter Kit Mainboard contains an on-board J-Link debugger with a Packet
Trace Interface and a Virtual COM port, enabling application development and debug-
ging the attached radio board as well as external hardware. The Mainboard also contains
sensors and peripherals for easy demonstration of some of the EZR32's many capabili-
ties.
This document describes how to use the BRD4546A Radio Board together with a Wire-
less Starter Kit Mainboard.
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Copyright © 2023 by Silicon Laboratories
BRD4546A RADIO BOARD FEATURES
• EZR32 Happy Gecko Wireless MCU with
64 kB Flash, and 8 kB RAM.
(EZR32HG320F64R68G)
• 16 dBm output power
• SMA connector for 868 MHz RF
• USB 2.0 Full Speed (12 Mbps) Device
Mode
WIRELESS STK MAINBOARD FEATURES
• Advanced Energy Monitor
• Packet Trace Interface
• Virtual COM Port
• SEGGER J-Link on-board debugger
• External device debugging
• Ethernet and USB connectivity
• Silicon Labs Si7021 Relative Humidity and
Temperature sensor
• Low-power 128x128 pixel Memory LCD
• User LEDs / Pushbuttons
• 20-pin 2.54 mm EXP header
• Breakout pads for Wireless MCU I/O
• CR2032 coin cell battery support
SOFTWARE SUPPORT
• Simplicity Studio™
• Energy Profiler
ORDERING INFORMATION
• SLWSTK6240A
Rev. 1.02

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Summary of Contents for Silicon Laboratories UG190: EZR32HG

  • Page 1 UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide A Wireless Starter Kit with the BRD4546A Radio Board is an ex- cellent starting point to get familiar with the EZR32™ Happy BRD4546A RADIO BOARD FEATURES Gecko Wireless Microcontroller, and it provides all necessary tools •...

  • Page 2: Table Of Contents

    Table of Contents 1. Introduction ....... . 4 1.1 Radio Boards ......4 1.2 Ordering Information .
  • Page 3 6.2.3 Limitations ......23 6.2.4 Troubleshooting ......23 7.

  • Page 4: Introduction

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Introduction 1. Introduction The EZR32HG Happy Gecko Wireless MCU is featured on a radio board that plugs directly into a Wireless Starter Kit Mainboard. The mainboard features several tools for easy evaluation and development of wireless applications. An on-board J-Link debugger enables programming and debugging on the target device over USB or Ethernet.

  • Page 5: Hardware Overview

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Hardware Overview 2. Hardware Overview 2.1 Hardware Layout The layout of the EZR32HG 868 MHz 16 dBm Wireless STK is shown in the figure below. Radio Board Breakout Pads...

  • Page 6: Block Diagram

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Hardware Overview 2.2 Block Diagram An overview of the EZR32HG 868 MHz 16 dBm Wireless STK is shown in the figure below. Board Controller USB Mini-B RJ-45 Ethernet Connector...

  • Page 7: Connectors

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3. Connectors This chapter gives you an overview of the Wireless STK Mainboard connectivity. The placement of the connectors is shown in the fig- ure below. VMCU VMCU Figure 3.1.

  • Page 8: Breakout Pads

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.3 Breakout Pads Most of the EZR32 pins are routed from the radio board to breakout pads at the top and bottom edges of the Wireless STK Mainboard.

  • Page 9: Exp Header

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.4 EXP Header The EXP header is an angled, 20-pin expansion header that allows connection of peripherals or plugin boards to the kit. It is located on the right-hand side of the mainboard and contains several I/O pins that can be used with most of the EZR32 Happy Gecko's features.

  • Page 10: Expansion Header Pin-Out

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.4.1 Expansion Header Pin-out Many pins on the EZR32 are shared between the Expansion Header and other functions on the Wireless STK Mainboard. Table 3.1 Expansion Header Pinout on page 10 includes an overview of the mainboard features that share pins with the Expansion Header.

  • Page 11: Debug Connector

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.5 Debug Connector The debug connector serves multiple purposes based on the "debug mode" setting which can be configured in Simplicity Studio. When the debug mode is set to "Debug IN", the debug connector can be used to connect an external debugger to the EZR32 on the radio board.

  • Page 12: Simplicity Connector

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.6 Simplicity Connector The Simplicity Connector enables the advanced debugging features, such as the AEM, the virtual COM port, and the Packet Trace Interface, to be used towards an external target. The pinout is illustrated in the figure below.

  • Page 13: Debug Adapter

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Connectors 3.7 Debug Adapter The BRD8010A STK/WSTK Debug Adapter is an adapter board which plugs directly into the debug connector and the Simplicity Con- nector on the mainboard. It combines selected functionality from the two connectors to a smaller footprint 10-pin connector, which is more suitable for space-constrained designs.

  • Page 14: Power Supply And Reset

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Power Supply and Reset 4. Power Supply and Reset 4.1 Radio Board Power Selection The EZR32 on a Wireless STK can be powered by one of these sources: • The debug USB cable •...

  • Page 15: Ezr32 Reset

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Power Supply and Reset 4.3 EZR32 Reset The EZR32 Wireless MCU can be reset by a few different sources: • A user pressing the RESET button • The on-board debugger pulling the #RESET pin low •...

  • Page 16: Peripherals

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5. Peripherals The Wireless STK has a set of peripherals that showcase some of the EZR32 features. Note that most EZR32 I/Os routed to peripherals are also routed to the breakout pads or the EXP header, which must be taken into consideration when using these I/Os.

  • Page 17: Memory Lcd-Tft Display

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5.3 Memory LCD-TFT Display A 1.28-inch SHARP Memory LCD-TFT is available on the kit to enable interactive applications to be developed. The display has a high resolution of 128 x 128 pixels and consumes very little power. It is a reflective monochrome display, so each pixel can only be light or dark, and no backlight is needed in normal daylight conditions.

  • Page 18: Si7021 Relative Humidity And Temperature Sensor

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5.4 Si7021 Relative Humidity and Temperature Sensor The Si7021 I C relative humidity and temperature sensor is a monolithic CMOS IC integrating humidity and temperature sensor ele- ments, an analog-to-digital converter, signal processing, calibration data, and an I C Interface.

  • Page 19: Virtual Com Port

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5.5 Virtual COM Port An asynchronous serial connection to the board controller is provided for application data transfer between a host PC and the target EZR32. This eliminates the need for an external serial port adapter.

  • Page 20: Host Interfaces

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5.5.1 Host Interfaces Data can be exchanged between the board controller and the target device through the VCOM interface, which is then available to the user in two different ways: •...

  • Page 21: Hardware Handshake

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Peripherals 5.5.3 Hardware Handshake The VCOM peripheral supports basic RTS/CTS flow control. VCOM_CTS (target clear to send) is a signal that is output from the board controller and input to the target device. The board controller de-asserts this pin whenever its input buffer is full and it is unable to accept more data from the target device.

  • Page 22: Board Controller

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Board Controller 6. Board Controller 6.1 Admin Console The admin console is a command line interface to the board controller on the kit. It provides functionality for configuring the kit behavior and retrieving configuration and operational parameters.

  • Page 23: Virtual Uart

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Board Controller 6.2 Virtual UART The Virtual UART (VUART) interface provides a high-performance application data interface that does not require additional I/O pins apart from the debug interface. The Wireless STK makes the VUART interface available on TCP/IP port 4900.

  • Page 24: Advanced Energy Monitor

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Advanced Energy Monitor 7. Advanced Energy Monitor 7.1 Introduction Any embedded developer seeking to make their embedded code spend as little energy as the underlying architecture supports needs tools to easily and quickly discover inefficiencies in the running application. This is what the Simplicity Energy Profiler is designed to do.

  • Page 25: Aem Accuracy And Performance

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Advanced Energy Monitor 7.3 AEM Accuracy and Performance The AEM is capable of measuring currents in the range of 0.1 µA to 95 mA. For currents above 250 µA, the AEM is accurate within 0.1 mA.

  • Page 26: On-Board Debugger

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide On-Board Debugger 8. On-Board Debugger The Wireless STK Mainboard contains an integrated debugger, which can be used to download code and debug the EZR32. In addition to programming a target on a plug-in radio board, the debugger can also be used to program and debug external Silicon Labs EFM32, EFM8, EZR32, and EFR32 devices connected through the debug connector.

  • Page 27: Debug Modes

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide On-Board Debugger 8.2 Debug Modes To program external devices, use the debug connector to connect to a target board and set the debug mode to [Out]. The same con- nector can also be used to connect an external debugger to the EZR32 Wireless MCU on the kit by setting debug mode to [In].

  • Page 28: Debugging During Battery Operation

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide On-Board Debugger 8.3 Debugging During Battery Operation When the EZR32 is battery-powered and the J-Link USB is still connected, the on-board debug functionality is available. If the USB power is disconnected, the Debug IN mode will stop working.

  • Page 29: Kit Configuration And Upgrades

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Kit Configuration and Upgrades 9. Kit Configuration and Upgrades The kit configuration dialog in Simplicity Studio allows you to change the J-Link adapter debug mode, upgrade its firmware, and change other configuration settings.

  • Page 30: Schematics, Assembly Drawings, And Bom

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Schematics, Assembly Drawings, and BOM 10. Schematics, Assembly Drawings, and BOM Schematics, assembly drawings, and bill of materials (BOM) are available through Simplicity Studio when the kit documentation pack- age has been installed.

  • Page 31: Kit Revision History

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Kit Revision History 11. Kit Revision History The kit revision can be found printed on the kit packaging label, as outlined in the figure below. The revision history given in this section may not list every kit revision.

  • Page 32: Document Revision History

    UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide Document Revision History 12. Document Revision History Revision 1.02 January 2024 • Noted SLWRB4546A as discontinued. Revision 1.01 8 December 2017 • Added Ordering Information section with updated kit contents for SLWSTK6240A and SLWRB4546A.
  • Page 33 Note: This content may contain offensive terminology that is now obsolete. Silicon Labs is replacing these terms with inclusive language wherever possible. For more information, visit www.silabs.com/about-us/inclusive-lexicon-project Trademark Information Silicon Laboratories Inc. , Silicon Laboratories , Silicon Labs , SiLabs...