control register 2
| ADCEN | A/D converter enable |
| RPEN | Repeat mode enable |
| ADCAL | A/D Calibration |
| ADCALINIT | Initialize A/D calibration |
| ADABRT | ADC conversion abort |
| OCDMAEN | Ordinary channel DMA transfer enable for independent mode |
| OCDRCEN | Ordinary channel DMA request continuation enable for independent mode |
| EOCSFEN | Each ordinary channel conversion set OCCE flag enable |
| DTALIGN | Data alignment |
| PCTESEL_L | Low bit of trigger event select for preempted channels conversion |
| PCETE | Preempted channel external trigger edge select |
| PCSWTRG | Preempted channel software conversion trigger |
| PCTESEL_H | High bit of trigger event select for preempted channels conversion |
| OCTESEL_L | Low bit of trigger event select for ordinary channels conversion |
| OCETE | Ordinary channel external trigger edge select |
| OCSWTRG | Ordinary channel software conversion trigger |
| OCTESEL_H | High bit of trigger event select for ordinary channels conversion |