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MiWi™

MiWi™ Software Design Guide

Introduction

The MiWi is Microchip’s proprietary wireless networking stack designed to support Low Rate Personal Area Networks

(LRPANs). This guide describes the MiWi applications implemented on the MiWi protocol available in the SAM

platforms (SAMR21 and SAMR30).

The MiWi supports the following three network topologies:

•Peer-to-Peer (P2P)

• Star

• Mesh

Features

Earlier versions of the MiWi Mesh networking stack (until version 2.10), released in the MiWi protocol v5.30 of

Microchip Libraries for Applications (MLA) v2017-03-06, supports a library-based Mesh networking stack. However,

this is redesigned with the following changes:

1.Optimization of current APIs to improve simplicity.

2.Redesign of the MiWi Mesh with additional features for next generation platforms.

3.A new commissioning procedure to improve the secured inclusion of devices to the network.

4.Dynamic switching between device types in the MiWi Mesh.

5.Network secure feature for all network messages.

6.Over-The-Air Upgrade to upgrade all the nodes in the network.

© 2019 Microchip Technology Inc. User GuideDS50002851B-page 1

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