Fractional Divider Register. Generates a clock input for the baud rate divider.
| DIVADDVAL | Baud Rate generation pre-scaler divisor value. If this field is 0, fractional baud rate generator will not impact the UART4 baud rate. |
| MULVAL | Baud Rate pre-scaler multiplier value. This field must be greater or equal 1 for UART4 to operate properly, regardless of whether the fractional baud rate generator is used or not. |
| RESERVED | Reserved. Read value is undefined, only zero should be written. |