SLWRB4201A Silicon Labs

UG374: EFR32ZG14 Zen Gecko Wireless Starter Kit User s Guide A Wireless Starter Kit with the BRD4201A Radio Board is an ex- BRD4201A RADIO BOARD FEATURES cellent starting point to get familiar with the EFR32 Zen Gecko Z- Wave Wireless System-on-Chip. It also provides the necessary EFR32 Zen Gecko Wireless SoC with 256 kB Flash, 32 kB RAM. tools for developing a Silicon Labs Z-Wave gateway application. (EFR32ZG14P231F256GM32) BRD4201A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref- SMA antenna connector (863-925 MHz) erence design for the EFR32ZG14 Wireless SoC, realizing the matching network with an Optional PCB antenna Integrated Passive Device (IPD). The board features an SMA connector for RF connec- RF matching network with switchable tion, or a PCB antenna that can be selected by moving a 0 resistor. SAW filters for EU, HK, and US frequency bands 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 debugging WIRELESS STK MAINBOARD FEATURES the attached radio board as well as external hardware. The mainboard also contains sensors and peripherals for easy demonstration of some of the EFR32 s many capabili- Advanced Energy Monitor ties. Virtual COM port SEGGER J-Link on-board debugger This document describes how to use the BRD4201A 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 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 iOS and Android applications ORDERING INFORMATION SLWRB4201A silabs.com Building a more connected world. Rev. 1.1 Not Recommended for New DesignsTable 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 Virtual COM Port.............................17 5.2.1 Host Interfaces ...........................18 5.2.2 Serial Configuration..........................18 5.2.3 Hardware Handshake .........................19 6. Board Controller............................. 20 6.1 Admin Console .............................20 6.1.1 Connecting.............................20 6.1.2 Built-in Help ............................20 6.1.3 Command Examples .........................21 6.2 Virtual UART ..............................21 7. Advanced Energy Monitor ......................... 22 7.1 Introduction...............................22 7.2 Theory of Operation............................22 7.3 AEM Accuracy and Performance .......................23 silabs.com Building a more connected world. Rev. 1.1 2 Not Recommended for New Designs