diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
index 7afff742..f19a3f82 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
@@ -5,6 +5,8 @@
tempmin="-40" vccmax="5.0" vccmin="1.8"/>
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@@ -2617,5 +2619,47 @@
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