Hardware Overview; Hardware Layout - Silicon Laboratories EFR32xG21 User Manual

2. Hardware Overview

2.1 Hardware Layout

The layout of the EFR32xG21 2.4 GHz 10 dBm Wireless Starter Kit is shown in the figure below.
Radio Board Breakout Pads
On-board USB and
Ethernet J-Link
Debugger
USB-serial-port
Packet-trace
Advanced Energy
Monitoring
Battery or
USB power
Ultra-low power 128x128
pixel memory LCD,
buttons and LEDs
silabs.com | Building a more connected world.
UG429: EFR32xG21 2.4 GHz 10 dBm Wireless Starter Kit User's Guide
Figure 2.1. Kit Hardware Layout
Plug-in Radio Board
Si7021 Humidity and
Temperature Sensor
(Not available to BRD4181B)
EXP-header for
expansion boards
ARM Coresight 19-pin
trace/debug header
Serial-port, packet trace and Advanced
Energy Monitoring header
Hardware Overview
Rev. 1.0 | 5