Solved
H7 FW V1.6.0, H7A3, incorrect internal ADC calibration value locations
H7 FW V1.6.0 has incorrect VREFINT_CAL_ADDR, TEMPSENSOR_CAL1_ADDR and TEMPSENSOR_CAL2_ADDR definitions for H7A3.
Correct defs would be
#define VREFINT_CAL_ADDR ((uint16_t *)0x8fff810)
#define TEMPSENSOR_CAL1_ADDR ((uint16_t *)0x8fff814)
#define TEMPSENSOR_CAL2_ADDR ((uint16_t *)0x8fff818)and these should be conditional to H7A3 (and possibly others). Currently, same def with H74x/H75x are used.
