+ * <tr>
+ * <td>XCK_RESCUE_CLOCK_ENABLE</td>
+ * <td>Makefile LUFA_OPTS</td>
+ * <td>Define to move the ISP rescue clock to the AVR's XCK pin instead of the OCR1A output pin. This is useful for existing programming
+ * hardware that does not expose the OCR1A pin of the AVR, but *may* cause some issues with PDI programming mode.
+ * </tr>