control register 2
| ADON | A/D converter ON / OFF |
| CONT | Continuous conversion |
| CAL | A/D calibration |
| RSTCAL | Reset calibration |
| DMA | Direct memory access mode |
| ALIGN | Data alignment |
| JEXTSEL | External event select for injected group |
| JEXTTRIG | External trigger conversion mode for injected channels |
| EXTSEL | External event select for regular group |
| EXTTRIG | External trigger conversion mode for regular channels |
| JSWSTART | Start conversion of injected channels |
| SWSTART | Start conversion of regular channels |
| TSVREFE | Temperature sensor and VREFINT enable |