References

1. 1.ATmega4809 web page: https://www.microchip.com/wwwproducts/en/ATMEGA4809
2. 2.^®megaAVR0-series Manual (DS40002015)
3. 3.^®ATmega3209/4809 – 48-pin Data Sheet megaAVR0-series (DS40002016)
4. 4.ATmega4809 Xplained Pro web page: https://www.microchip.com/developmenttools/ProductDetails/atmega4809-xpro.