control register
| TSCE | Touch sensing controller enable |
| START | Start a new acquisition |
| AM | Acquisition mode |
| SYNCPOL | Synchronization pin polarity |
| IODEF | I/O Default mode |
| MCV | Max count value |
| PGPSC | pulse generator prescaler |
| SSPSC | Spread spectrum prescaler |
| SSE | Spread spectrum enable |
| SSD | Spread spectrum deviation |
| CTPL | Charge transfer pulse low |
| CTPH | Charge transfer pulse high |