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@mchp-mcc/scf-avr8-twi-v1

v8.2.1

Published

- Download & Install [nodejs](https://nodejs.org/en/download/) - Download & Install npm - Setup node & npm in enviroment path

Downloads

518

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Links

Maintainers

yash.godboleyash.godbolerd_mchprd_mchpharish.agariharish.agariajivani007ajivani007niladreeniladreedan.ionescudan.ionescumchp-natemchp-natebrian.bailey235brian.bailey235rajaguru_prajaguru_parchana_uarchana_u

Keywords

Readme

Two Wire Interface (TWI) Module

Overview

The Two Wire Interface (TWI) module is a serial interface useful for communicating with other peripheral or microcontroller devices. These peripheral devices may be serial EEPROMs, shift registers, display drivers, Analog-to-Digital (A/D) converters, Temperature and Humidity sensors, and so on.

Features

  • The TWI interface supports the following operating modes
    • Host mode
    • Client mode
  • The driver implementation is of non-blocking type and can be configured to operate in following modes
    • Polling
    • Interrupt

Related Documentation

Changelog

All notable changes to this project will be documented in this file.

[8.2.1] - 2026-04-07

Bug Fixes

  • M8PD-17828 :- MCC throws warning of type SEVERE when multiple I2C Host/Client drivers are loaded in to the Project Resource

[8.1.6] - 2024-12-18

Bug Fixes

  • M8PD-12294 :- Fixed the TWI PLIB to configure the SDA and SCL pins as input by default
  • M8PD-11758 :- Fixed TWI driver code to prevent bus lock up due to bus collisions on a TWI bus with multiple clients
  • M8PD-10836 :- Fixed I2C client driver to check for RXACK flag before calling TX_READY or RX_READY event
  • M8PD-10431 :- Simplified TWI client ISR logic
  • M8PD-10408 :- Fixed the logic that checks if the I2C bus is in busy state
  • M8PD-5225 :- Corrected the faulty logic in the I2C client that triggered the TX_READY event right after an address match
  • M8PD-5206 :- Fixed bug in TWI melody driver for AVR128DB48 that wrongly enables TWI module in Deinitialize function

New Features and Improvements

  • M8PD-11225 :- Added toggle button on MCC melody UI to enable general call address recognition for I2C Clients