AIN Comparator Control Register.
| PD | AIN Compatator Power Down control. Before AIN Comparator is powered on, the positive and negative inputs selects for the comparator should be configured. |
| HYST | AIN Comparator Hysteresis control. |
| NSEL_COMP0 | Negative input select for Comparator 0. No more than 1 input channel can be selected at any time. Corresponding GPIO must be configured for AF4. |
| PSEL_COMP0 | Positive input select for AIN Comparator 0. No more than 1 input channel can be selected at any time. Corresponding GPIO must be configured for AF4. |
| NSEL_COMP1 | Negative input select for Comparator 1. No more than 1 input channel can be selected at any time. Corresponding GPIO must be configured for AF4. |
| PSEL_COMP1 | Positive input select for AIN Comparator 1. No more than 1 input channel can be selected at any time. Corresponding GPIO must be configured for AF4. |