diff --git a/library/atmel.dcm b/library/atmel.dcm
index e8616025..e96ccaa5 100644
--- a/library/atmel.dcm
+++ b/library/atmel.dcm
@@ -1386,6 +1386,18 @@ K AVR 8bit Microcontroller MegaAVR
 F http://www.atmel.com/Images/doc7799.pdf
 $ENDCMP
 #
+$CMP ATMEGA16U2
+D ATMEGA16U2, TQFP-32, 16k Flash, 512B SRAM, 512B EEPROM
+K AVR 8bit Microcontroller MegaAVR
+F http://www.atmel.com/Images/doc7799.pdf
+$ENDCMP
+#
+$CMP ATMEGA32U2
+D ATMEGA32U2, TQFP-32, 32k Flash, 1024B SRAM, 1024B EEPROM
+K AVR 8bit Microcontroller MegaAVR
+F http://www.atmel.com/Images/doc7799.pdf
+$ENDCMP
+#
 $CMP ATTINY10-P
 D ATTINY10, DIP8, 1k OTP Flash, No SRAM, 64B EEPROM (For reference only)
 K AVR 8-bit Microcontroller tinyAVR Discontinued
diff --git a/library/atmel.lib b/library/atmel.lib
index 9f9c9278..28fac600 100644
--- a/library/atmel.lib
+++ b/library/atmel.lib
@@ -6139,6 +6139,7 @@ F0 "IC" -850 1350 60 H V C CNN
 F1 "ATMEGA8U2" 750 -1350 50 H V C CNN
 F2 "TQFP-32" -150 50 50 H V C CNN
 F3 "http://www.atmel.com/Images/doc7799.pdf" 100 -1450 50 H I C CNN
+ALIAS ATMEGA16U2 ATMEGA32U2
 $FPLIST
  TQFP-32
  QFN-32-1EP