UG342: EFR32MG12 2400 / 868-915 MHz 19 dBm Radio Board User’s Guide

PublishTime： 2018-05-06 Manufacturer： Silicon Labs Type： User's Guide Language： English

A Wireless Starter Kit with the BRD4170A Radio Board is an excellent starting point to get familiar with the EFR32™ Mighty Gecko Wireless System-on-Chip, and it provides all necessary tools for developing a Silicon Labs wireless application.
BRD4170A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete reference design for the EFR32MG12 Wireless SoC, with 19 dBm output power, a PCB antenna for the 2.4 GHz band, and an SMA connector and a wide-band matching network for operation in either the 868 MHz or the 915 MHz band.
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 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 capabilities.
This document describes how to use the BRD4170A Radio Board together with a Wire-less Starter Kit Mainboard.
BRD4170A RADIO BOARD FEATURES:
• EFR32MG12 Mighty Gecko Wireless SoC with 1024 kB Flash, and 256 kB RAM(EFR32MG12P433F1024GM68)
• Dual band integrated radio transceiver
• 19 dBm output power
• Inverted-F PCB antenna (2.4 GHz)
• SMA antenna connector (868-915 MHz)
• 8 Mbit low-power serial flash for over-the-air upgrades.
WIRELESS STK MAINBOARD FEATURES:
• Advanced Energy Monitor
• Packet Trace Interface
• 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
The EFR32MG12 Mighty Gecko Wireless SoC itself is featured on a Radio Board that forms a complete reference design, including the RF section and other components.
The Radio Board plugs directly into a Wireless Starter Kit Mainboard. The Mainboard features several tools for easy evaluation and development of wireless applications. An on-board J-Link debugger enables programming and debugging on the target device over USB or Ethernet. The Advanced Energy Monitor (AEM) offers real-time current and voltage monitoring. A virtual COM port interface(VCOM) provides an easy-to-use serial port connection over USB or Ethernet. The Packet Trace Interface (PTI) offers invaluable debug information about transmitted and received packets in wireless links.
All debug functionality, including AEM, VCOM and PTI, can also be used towards external target hardware instead of the attached radio board.
To further enhance its usability, the Mainboard contains sensors and peripherals demonstrating some of the many capabilities of the EFR32MG12.

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