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diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/UnsignedByteBinding.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/UnsignedByteBinding.java
new file mode 100644
index 000000000..33225ddc7
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/UnsignedByteBinding.java
@@ -0,0 +1,147 @@
+package org.simantics.databoard.binding.impl;
+
+import org.simantics.databoard.binding.ByteBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.primitives.UnsignedByte;
+import org.simantics.databoard.type.ByteType;
+
+/**
+ * Binding of {@link UnsignedByte} to byte type.
+ * 
+ * @author Toni Kalajainen <toni.kalajainen@iki.fi>
+ */
+public abstract class UnsignedByteBinding extends ByteBinding {
+	
+	UnsignedByteBinding(ByteType type) {
+		super(type);
+	}
+	
+	public static class Immutable extends UnsignedByteBinding {
+		
+		public Immutable(ByteType type) {
+			super(type);
+		}		
+		
+		@Override
+		public Object create(Number value) throws BindingException {
+			try {
+				return UnsignedByte.valueOf(value.longValue());
+			} catch (java.lang.IllegalArgumentException e) {
+				throw new BindingException( e );
+			}
+		}
+
+		@Override
+		public Object create(String value) throws BindingException {
+			try {
+				return UnsignedByte.valueOf( Long.valueOf(value) );
+			} catch (java.lang.IllegalArgumentException e) {
+				throw new BindingException( e );
+			}
+		}
+
+		@Override
+		public void setValue(Object obj, Number value) throws BindingException {
+			throw new BindingException("UnsignedByte is immutable class");
+		}
+
+		@Override
+		public boolean isImmutable() {
+			return true;
+		}
+
+		@Override
+		public boolean isInstance(Object obj) {
+			return obj instanceof UnsignedByte.Immutable;
+		}
+
+		@Override
+		public Object create(byte value) throws BindingException {
+			try {
+				return UnsignedByte.valueOf(value);
+			} catch (java.lang.IllegalArgumentException e) {
+				throw new BindingException( e );
+			}
+		}
+
+		@Override
+		public Object create(Byte value) throws BindingException {
+			try {
+				return UnsignedByte.valueOf(value);
+			} catch (java.lang.IllegalArgumentException e) {
+				throw new BindingException( e );
+			}
+		}
+
+		@Override
+		public void setValue(Object obj, byte value) throws BindingException {
+			throw new BindingException("UnsignedByte is immutable class");
+		}
+				
+	}
+	
+	public static class Mutable extends UnsignedByteBinding {
+		
+		public Mutable(ByteType type) {
+			super(type);
+		}		
+
+		@Override
+		public Object create(Number value) throws BindingException {
+			return new UnsignedByte.Mutable(value.longValue());
+		}
+
+		@Override
+		public Object create(String value) throws BindingException {
+			return new UnsignedByte.Mutable(value);
+		}
+
+		@Override
+		public void setValue(Object obj, Number value) throws BindingException {
+			UnsignedByte.Mutable bb = (UnsignedByte.Mutable) obj;
+			bb.setBits(value.intValue());
+		}
+
+		@Override
+		public boolean isImmutable() {
+			return false;
+		}
+		
+		@Override
+		public boolean isInstance(Object obj) {
+			return obj instanceof UnsignedByte.Mutable;
+		}
+
+		@Override
+		public Object create(byte value) throws BindingException {
+			return new UnsignedByte.Mutable(value);
+		}
+
+		@Override
+		public Object create(Byte value) throws BindingException {
+			return new UnsignedByte.Mutable(value);
+		}
+
+		@Override
+		public void setValue(Object obj, byte value) throws BindingException {
+			UnsignedByte.Mutable bb = (UnsignedByte.Mutable) obj;
+			bb.setBits(value);
+		}		
+	}	
+
+	@Override
+	public Byte getValue(Object obj) throws BindingException {
+		return (byte) ((UnsignedByte)obj).toBits();
+	}
+
+	@Override
+	public byte getValue_(Object obj) throws BindingException {
+		return (byte) ((UnsignedByte)obj).toBits();
+	}
+	
+	@Override
+	public String toString(Object value) throws BindingException {
+		return value.toString();
+	}
+	
+}