AVR® Insights - Episode 6 - USART

3,528 views · Published 23 February 2017 · 1:55 · Indexed 30 October 2026

Channel: Microchip Technology, Inc. · 2017 · Science & Technology

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https://github.com/MicrochipTech/avr_insights

Are you interested in an in-depth look at the USART AVR® microcontroller peripheral? Looking to get serial communication working on your AVR® device, but having a hard time understanding USART? 

This video will explain several different settings including master mode, transmit data size, and how to trigger reads and write to send and receive data. Check out the example project below to see how to print a string via USART communication!


Documentation references
--------------------------------------------------------------
Atmel Tools Documentation:
https://mchp.us/2Q04giE

AVR Libc reference manual: http://www.microchip.com/webdoc/AVRLibcReferenceManual/index.html

ATmega324PB datasheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/40001908A.pdf#page=244

ATmega 324PB Xplained Pro User Guide:
http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42633-ATmega324PB-Xplained-Pro_User-Guide.pdf

App note AVR306:
http://ww1.microchip.com/downloads/en/AppNotes/Atmel-1451-Using-the-AVR-USART-on-tinyAVR-and-megaAVR-devices_ApplicationNote_AVR306.pdf

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