- /** MUX mask define for the ADC2 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */\r
- #define ADC_CHANNEL2 0x02\r
+ #if !(defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__))\r
+ /** MUX mask define for the ADC2 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.\r
+ *\r
+ * \note Note available on all AVR models.\r
+ */\r
+ #define ADC_CHANNEL2 0x02\r