7 Configuration Bits

In dsPIC33AK256MPS306 family devices, the Configuration Words are implemented as volatile memory. This means that configuration data will be loaded into volatile memory (from the Flash Configuration Words) each time the device is powered up. Their specific locations are shown in Table 7-2. The configuration data are automatically loaded from the Flash Configuration Words to the proper Configuration Shadow registers during device Resets.

In the dsPIC33AK256MPS306 family, the configuration and calibration data is duplicated in Flash for improved robustness. If a double ECC error is detected during the start-up sequence, the device will restart the loading of the calibration and configuration from the alternate set in Flash.

To maintain the integrity of the stored configuration values, logic performs ongoing bit value checks. All device configuration bits are implemented as a complementary set of register bits.