control register 2
| ADON | A/D Converter ON / OFF |
| CONT | Continuous conversion |
| DMA | Direct memory access mode (for single ADC mode) |
| DDS | DMA disable selection (for single ADC mode) |
| EOCS | End of conversion selection |
| ALIGN | Data alignment |
| JEXTSEL | External event select for injected group |
| JEXTEN | External trigger enable for injected channels |
| JSWSTART | Start conversion of injected channels |
| EXTSEL | External event select for regular group |
| EXTEN | External trigger enable for regular channels |
| SWSTART | Start conversion of regular channels |