SLWRB4182A

UG430: EFR32xG22 2.4 GHz 6 dBm Wireless Starter Kit User s Guide A Wireless Starter Kit with the BRD4182A Radio Board is an ex- BRD4182A RADIO BOARD FEATURES cellent starting point to get familiar with the EFR32 Wireless Gecko Wireless System-on-Chip. It also provides all necessary EFR32xG22 Wireless Gecko Wireless SoC with 512 kB Flash and 32 kB RAM tools for developing a Silicon Labs wireless application. (EFR32MG22C224F512IM40). BRD4182A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref- Inverted-F PCB antenna (2.4 GHz band) erence design for the EFR32xG22 Wireless SoC, with matching network and a PCB an- 8 Mbit low-power serial flash for over-the- tenna for 6 dBm output power in the 2.4 GHz band. air upgrades 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 of 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 EFR32 s many ca- Packet Trace Interface pabilities. Virtual COM port SEGGER J-Link on-board debugger This document describes how to use the BRD4182A Radio Board together with a Wire- 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- TFT 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 SLWSTK6021A SLWRB4182A silabs.com Building a more connected world. Rev. 1.0 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 EXP Header...............................9 3.4.1 EXP Header Pinout...........................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 6.2.1 Target to Host.............................24 6.2.2 Host to Target.............................24 silabs.com Building a more connected world. Rev. 1.0 2