AVR® Insights - Episode 8 - How To Lower AVR Microcontroller Power using Power Reduction Registers

1,671 views · Published 10 March 2017 · 1:47 · Indexed 25 October 2026

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

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https://github.com/MicrochipTech/avr_insights

Are you looking how to reduce power in your microcontroller? Have you thought of disabling the clock to unused peripherals? The AVR MCU power reduction registers do just that! This video and code tutorial will show you why and how you can shut off the clocks to most peripherals so that they do not use power during your application. The example will also show how to disable the power reduction registers to demonstrate their power saving ability. 

Documentation references
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Atmel Tools Documentation:
https://mchp.us/2w4Ud2R

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

ATmega324PB datasheet: 
http://ww1.microchip.com/downloads/en/DeviceDoc/40001908A.pdf#page=61

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

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