control and status register
| COMP4EN | Comparator 4 enable  |  
| COMP4MODE | Comparator 4 mode  |  
| COMP4INSEL | Comparator 4 inverting input selection  |  
| COMP4INPSEL | Comparator 4 non inverted input selection  |  
| COM4WINMODE | Comparator 4 window mode  |  
| COMP4_OUT_SEL | Comparator 4 output selection  |  
| COMP4POL | Comparator 4 output polarity  |  
| COMP4HYST | Comparator 4 hysteresis  |  
| COMP4_BLANKING | Comparator 4 blanking source  |  
| COMP4OUT | Comparator 4 output  |  
| COMP4LOCK | Comparator 4 lock  |