REF=others
D/A VREF Control Register
REF | D/A Reference Voltage Select 0 (000): Not selected 0 (others): Setting prohibited 1 (001): AVCC0/AVSS0 3 (011): Internal reference voltage/AVSS0 6 (110): VREFH/VREFL |
Reserved | These bits are read as 00000. The write value should be 00000. |