SLWRB4302A Silicon Labs

UG234: BGM121 Blue Gecko SiP Module Wireless Starter Kit User s Guide A Wireless Starter Kit with the BRD4302A Radio Board is an ex- BRD4302A RADIO BOARD FEATURES cellent starting point to get familiar with the BGM121 Blue Gecko Module. It also provides the necessary tools for developing a Sili- BGM121 Blue Gecko SiP Module with 256 kB Flash and 32 kB RAM. Fully integrated con Labs wireless application. chip antenna, RF matching network, crystals and decoupling BRD4302A contains the BGM121 SiP Module, and it is a plug-in board for the Wireless (BGM121A256V1). Starter Kit Mainboard. 8 Mbit low-power serial flash for over-the- air upgrades. 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 BGM121 s many capabil- Advanced Energy Monitor ities. Packet Trace Interface This document describes how to use the BRD4302A Radio Board together with a Wire- Virtual COM Port less Starter Kit Mainboard. 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 SiP Module I/O CR2032 coin cell battery support EXPANSION BOARD FEATURES Accelerometer Buttons and LEDs Joystick SOFTWARE SUPPORT Simplicity Studio Energy Profiler Network Analyzer iOS and Android applications ORDERING INFORMATION SLWSTK6101C SLWRB4302A silabs.com Building a more connected world. Rev. 1.02 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 BGM121 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. Expansion Board............................. 23 6.1 Accelerometer..............................23 6.2 Push Buttons and LEDs ..........................23 6.3 Joystick................................24 7. Board Controller............................. 25 7.1 Admin Console .............................25 7.1.1 Connecting.............................25 silabs.com Building a more connected world. Rev. 1.02 2