* erase has been perfomed. This can be used in conjunction with the AVR's lockbits to prevent the AVRs firmware from\r
* being dumped by unauthorized persons.</td>\r
* </tr>\r
+ * <tr>\r
+ * <td>SIGNATURE_0, SIGNATURE_1, SIGNATURE_2</td>\r
+ * <td>Makefile CDEFS</td>\r
+ * <td>AVR part signature bytes. These are normally defined as part of the AVR device header files in recent avr-libc\r
+ * distributions. If your avr-libc library is out of date and does not define these values, you can define them\r
+ * manually in the makefile CDEFS.</td>\r
+ * </tr>\r
* </table>\r
*/
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