+ $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) $(FUSES)
+
+lockbits: $(TARGET).hex
+ $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -e -u -U lock:w:$(FUSE_LOCK):m
+
+bl_fusebits: $(TARGET).hex
+ $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -U efuse:w:$(BL_FUSE_EXT):m -U efuse:w:$(BL_FUSE_EXT):m -U lfuse:w:$(BL_FUSE_LOW):m
+
+bl_lockbits: $(TARGET).hex
+ $(AVRDUDE)-p $(MCU) $(AVRDUDE_PROG) -e -u -U lock:w:$(BL_FUSE_LOCK):m
+