* set to an appropriate ADC channel number in the project makefile for VTARGET detection to operate correctly. On models\r
* without an ADC converter, VTARGET will report at a fixed 5V level.\r
*\r
- * Connections to the device are simple for SPI programming:\r
+ * When compiled for the XPLAIN board target, this will automatically configure itself for the correct connections to the\r
+ * XPLAIN's XMEGA AVR, and will enable only PDI programming support.\r
+ *\r
+ *\r
+ * Connections to the device for SPI programming (when enabled):\r
*\r
* <table>\r
* <tr>\r
* <b><sup>2</sup></b> <i>See \ref SSec_Options section</i>\r
*\r
*\r
- * Connections to the device are simple for SPI programming:\r
+ * Connections to the device for PDI programming (when enabled):\r
*\r
* <table>\r
* <tr>\r
* <tr>\r
* <td>RESET_LINE_PORT</td>\r
* <td>Makefile CDEFS</td>\r
- * <td>PORT register for the programmer's target RESET line.</td>\r
+ * <td>PORT register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>\r
* </tr>\r
* <tr>\r
* <td>RESET_LINE_DDR</td>\r
* <td>Makefile CDEFS</td>\r
- * <td>DDR register for the programmer's target RESET line.</td>\r
+ * <td>DDR register for the programmer's target RESET line. <i>Ignored when compiled for the XPLAIN board.</i></td>\r
* </tr>\r
* <tr>\r
* <td>RESET_LINE_MASK</td>\r
* <td>Makefile CDEFS</td>\r
* <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin</b>, as the\r
* target pins are tri-stated when not in use, and low signals on the /SS pin will force SPI slave mode when the\r
- * pin is configured as an input. When in PDI programming mode, this is the target clock pin.</td>\r
+ * pin is configured as an input. When in PDI programming mode, this is the target clock pin.\r
+ * <i>Ignored when compiled for the XPLAIN board.</i></td>\r
* </tr>\r
* <tr>\r
* <td>VTARGET_ADC_CHANNEL</td>\r
* <tr>\r
* <td>ENABLE_SPI_PROTOCOL</td>\r
* <td>Makefile CDEFS</td>\r
- * <td>Define to enable SPI programming protocol support.</td> \r
+ * <td>Define to enable SPI programming protocol support. <i>Ignored when compiled for the XPLAIN board.</i></td> \r
* </tr>\r
* <tr>\r
* <td>ENABLE_XPROG_PROTOCOL</td>\r
* <td>Makefile CDEFS</td>\r
- * <td>Define to enable XMEGA PDI programming protocol support.</td> \r
+ * <td>Define to enable XMEGA PDI programming protocol support. <i>Ignored when compiled for the XPLAIN board.</i></td> \r
* </tr>\r
* </table>\r
*/\r