SLWRB4320A Silicon Labs

UG172: WGM110 Wizard Gecko Module Wireless Starter Kit User s Guide A Wireless Starter Kit with the BRD4320A Radio Board is an ex- BRD4320A RADIO BOARD FEATURES cellent starting point to get familiar with the WGM110 Wizard Gecko Wi-Fi Module It also provides the necessary tools for de- WGM110 Wizard Gecko Wi-Fi Module with 1 MB Flash and 128 kB RAM, with veloping a Silicon Labs wireless application. on-board chip antenna, RF match. BRD4320A is a plug-in board for the Wireless Starter Kit Mainboard. It contains the USB Micro-B connector offers device mode support. WGM110 Wi-Fi Module, a USB Micro-B connector and a MicroSD card slot. MicroSD card slot. 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 WGM110 s many capa- Advanced Energy Monitor bilities. Packet Trace Interface Virtual COM Port This document describes how to use the BRD4320A 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 Wi-Fi Module I/O CR2032 coin cell battery support EXPANSION BOARD FEATURES Accelerometer Buttons and LEDs Joystick SOFTWARE SUPPORT Wizard Gecko Wi-Fi Software Wizard Gecko Wi-Fi SDK ORDERING INFORMATION SLWSTK6120A SLWRB4320A silabs.com Building a more connected world. Rev. 2.01 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 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 WGM110 Reset .............................15 4.4 Battery Holder..............................15 5. Peripherals............................... 16 5.1 Push Buttons and LEDs ..........................16 5.2 Memory LCD-TFT Display..........................17 5.3 Si7021 Relative Humidity and Temperature Sensor .................18 5.4 USB Micro-B Connector ..........................19 5.5 MicroSD Card Slot ............................20 5.6 Virtual COM Port.............................21 5.6.1 Host Interfaces ...........................22 5.6.2 Serial Configuration..........................22 5.6.3 Hardware Handshake .........................23 6. Expansion Board............................. 24 6.1 Accelerometer..............................24 6.2 Push Buttons and LEDs ..........................24 6.3 Joystick................................25 7. Board Controller............................. 26 silabs.com Building a more connected world. Rev. 2.01 2