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 |