diff --git a/modules/qfn.fpd b/modules/qfn.fpd
index 554ceda..259f5f6 100644
--- a/modules/qfn.fpd
+++ b/modules/qfn.fpd
@@ -99,10 +99,11 @@ frame outline {
 }
 
 package "QFN$pins-$variant"
-unit mm
+unit auto
 
 table
     { pins, variant, X1, Y1, X2, Y2, E, C1, C2, SE, SNX, SNY, SX, SY }
+    { 28, "Atmel", 0.24mm, 0.7mm, 2.4mm, 2.4mm, 0.45mm, 4.1mm, 4.1mm, 1mm, 2, 2, 0.8mm, 0.8mm }
     { 28, "SiLabs", 0.25mm, 0.9mm, 3.3mm, 3.3mm, 0.5mm, 4.8mm, 4.8mm, 1.1mm, 3, 3, 0.9mm, 0.9mm }
     { 32, "VHHD-2", 0.26mm, 0.69mm, 3.7mm, 3.7mm, 0.5mm, 5.1mm, 5.1mm, 0.8mm, 3, 3, 0.5mm, 0.5mm }
     { 32, "VHHD-6", 0.26mm, 0.69mm, 3.4mm, 3.4mm, 0.5mm, 5.1mm, 5.1mm, 1.2mm, 2, 2, 0.7mm, 0.7mm }