SLWRB4170A Silicon Labs

UG342: EFR32MG12 2400 / 868-915 MHz 19 dBm Radio Board User s Guide A Wireless Starter Kit with the BRD4170A Radio Board is an ex- BRD4170A RADIO BOARD FEATURES cellent starting point to get familiar with the EFR32 Mighty Gecko Wireless System-on-Chip, and it provides all necessary EFR32MG12 Mighty Gecko Wireless SoC with 1024 kB Flash, and 256 kB RAM tools for developing a Silicon Labs wireless application. (EFR32MG12P433F1024GM68) Dual band integrated radio transceiver BRD4170A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref- erence design for the EFR32MG12 Wireless SoC, with 19 dBm output power, a PCB an- 19 dBm output power tenna for the 2.4 GHz band, and an SMA connector and a wide-band matching network Inverted-F PCB antenna (2.4 GHz) for operation in either the 868 MHz or the 915 MHz band. SMA antenna connector (868-915 MHz) 8 Mbit low-power serial flash for over-the- The Wireless Starter Kit Mainboard contains an on-board J-Link debugger with a Packet air upgrades. 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- WIRELESS STK MAINBOARD FEATURES tains sensors and peripherals for easy demonstration of some of the EFR32 s many ca- pabilities. Advanced Energy Monitor Packet Trace Interface This document describes how to use the BRD4170A Radio Board together with a Wire- less Starter Kit Mainboard. 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 SoC I/O CR2032 coin cell battery support SOFTWARE SUPPORT Simplicity Studio Energy Profiler Network Analyzer ORDERING INFORMATION SLWRB4170A silabs.com Building a more connected world. Rev. 1.00 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...........................15 4.3 EFR32 Reset..............................15 5. Peripherals............................... 16 5.1 Push Buttons and LEDs ..........................16 5.2 Memory LCD-TFT Display..........................17 5.3 Serial Flash ..............................18 5.4 Si7021 Relative Humidity and Temperature Sensor .................19 5.5 Virtual COM Port.............................20 5.5.1 Host Interfaces ...........................21 5.5.2 Serial Configuration..........................21 5.5.3 Hardware Handshake .........................22 6. Board Controller............................. 23 6.1 Admin Console .............................23 6.1.1 Connecting.............................23 6.1.2 Built-in Help ............................23 6.1.3 Command Examples .........................24 6.2 Virtual UART ..............................24 7. Advanced Energy Monitor ......................... 25 silabs.com Building a more connected world. Rev. 1.00 2