configuration register 1
| DMAEN | Direct memory access enable |
| DMACFG | Direct memery access configuration |
| SCANDIR | Scan sequence direction |
| RES | Data resolution |
| ALIGN | Data alignment |
| EXTSEL | External trigger selection |
| EXTEN | External trigger enable and polarity selection |
| OVRMOD | Overrun management mode |
| CONT | Single / continuous conversion mode |
| AUTDLY | Auto-delayed conversion mode |
| AUTOFF | Auto-off mode |
| DISCEN | Discontinuous mode |
| AWDSGL | Enable the watchdog on a single channel or on all channels |
| AWDEN | Analog watchdog enable |
| AWDCH | Analog watchdog channel selection |