Introduction

The Microchip Universal Serial Interface (USI) is a wrapper that serializes components and services of the different interfaces described in the PRIME, G3 or Meters And More specifications. Microchip PRIME, G3 or Meters And More stacks (hereinafter referred to as Microchip communication stacks) connect easily with external devices using this wrapper. All Microchip power line communication (PLC) PC tools use this USI interface.

This User's Guide describes how to configure a Host device to use the source code of the USI for Microchip communication stacks, and how to customize the source code to fulfill the user requirements.