Microchip Technology WLR089 Xplained Pro Evaluation Kit (EV23M25A)

Microchip Technology WLR089 Xplained Pro Evaluation Kit (EV23M25A) is a hardware platform used to demonstrate the features of the low power LoRa® Sub-GHz WLR089U0 Module. The WLR089U0 Module, based on the ATSAMR34J1 32-bit Arm® Cortex®-M0+ Processor, provides 863MHz to 928MHz dual-band coverage. With ultra-low power sleep currents as low as 790nA, the Microchip WLR089U0 module is ideal for battery-powered remote sensor applications.

The Microchip Technology WLR089 Xplained Pro Evaluation Kit features a pre-installed WLR089U0 Module, along with an onboard debugger, extension headers for signal breakout or expansion boards, 10-pin Cortex programming header, and an onboard power management system with current monitoring. The Evaluation Kit functions as a reference design for developing SAMR34/35-based LoRa end-node applications.

Features

  • WLR089U0 LoRa Module, based on the ATSAMR34J18B LoRa device
  • Supports both 868MHz and 915MHz operation
  • Onboard Embedded Debugger and Atmel ICE support
  • Two Standard Xplained Pro extension headers for signal breakout and extension boards
  • Onboard Power Management System with current monitoring and USB power conditioning
  • Xplained Pro current measurement system with Data Visualizer support
  • USB Power Inlet (EDBG USB or Target USB) with ESD protection and a low-dropout regulator
  • Up to +18.59dBm maximum output power
  • u.FL connector for external antenna
  • Onboard serial Flash
  • Auxiliary 10-Pin Cortex Debug connector
  • Target USB connection to WLR089U0 module with ESD protection
  • Manual Reset button
  • User push-button
  • Indicator LEDs for status, power, and user-defined applications
  • Qtouch® Button
  • CR1220 backup battery holder
  • External dipole antenna included
  • Studio 7 Integrated Development Platform Support
  • Support for Software Examples in Advanced Software Framework (ASF)
  • 60.0mm x 85.13mm PCB

Kit Contents

  • WLR089 Xplained Pro Evaluation Board
  • External U.FL dipole antenna
  • Micro-USB cable
  • Antenna holder
  • 4x nylon standoffs and screws

Documents

  • Quick Start Guide
  • User Guide
  • PCB Specifications and Schematics

Board Layout

Microchip Technology WLR089 Xplained Pro Evaluation Kit (EV23M25A)

Microchip Technology WLR089 Xplained Pro Evaluation Kit (EV23M25A)