SLWRB4542B Silicon Labs

UG191: EZR32HG 434 MHz 10 dBm Wireless Starter Kit User s Guide A Wireless Starter Kit with the BRD4542B Radio Board is an ex- BRD4542B RADIO BOARD FEATURES cellent starting point to get familiar with the EZR32 Happy Gecko Wireless Microcontroller, and it provides all necessary tools EZR32 Happy Gecko Wireless MCU with 64 kB Flash, and 8 kB RAM. for developing a Silicon Labs wireless application. (EZR32HG320F64R55G) BRD4542B is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref- 10 dBm output power erence design for the EZR32HG Wireless MCU, with matching network for 10 dBm out- SMA connector for 434 MHz RF put power, and an SMA connector for the 434 MHz band. The radio board also features USB 2.0 Full Speed (12 Mbps) Device a USB Micro-B connector with device mode support. Mode The Wireless Starter Kit Mainboard contains an on-board J-Link debugger with a Packet WIRELESS STK MAINBOARD FEATURES 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 con- Advanced Energy Monitor tains sensors and peripherals for easy demonstration of some of the EZR32 s many ca- Packet Trace Interface pabilities. Virtual COM Port This document describes how to use the BRD4542B Radio Board together with a Wire- SEGGER J-Link on-board debugger less Starter Kit Mainboard. 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 SLWSTK6241A SLWRB4542B silabs.com Building a more connected world. Rev. 1.01 Table of Contents 1. Introduction................................4 1.1 Radio Boards..............................4 1.2 Ordering Information ...........................4 1.3 Getting Started .............................4 2. Hardware Overview.............................5 2.1 Hardware Layout.............................5 2.2 Block Diagram..............................6 3. Connectors................................7 3.1 J-Link USB Connector...........................7 3.2 Ethernet Connector............................7 3.3 Breakout Pads .............................8 3.4 Expansion Header ............................9 3.4.1 Expansion Header Pin-out .......................10 3.5 Debug Connector.............................11 3.6 Simplicity Connector............................12 3.7 Debug Adapter .............................13 4. Power Supply and Reset.......................... 14 4.1 Radio Board Power Selection ........................14 4.2 Board Controller Power...........................14 4.3 EZR32 Reset..............................15 5. Peripherals............................... 16 5.1 USB Micro-B Connector ..........................16 5.2 Push Buttons and LEDs ..........................16 5.3 Memory LCD-TFT Display..........................17 5.4 Si7021 Relative Humidity and Temperature Sensor .................18 5.5 Virtual COM Port.............................19 5.5.1 Host Interfaces ...........................20 5.5.2 Serial Configuration..........................20 5.5.3 Hardware Handshake .........................21 6. Board Controller............................. 22 6.1 Admin Console .............................22 6.1.1 Connecting.............................22 6.1.2 Built-in Help ............................22 6.1.3 Command Examples .........................23 6.2 Virtual UART ..............................23 7. Advanced Energy Monitor ......................... 24 silabs.com Building a more connected world. Rev. 1.01 2