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TMS320F280039C-Q1: Peripheral access register default value in TRM does not match default value in hardware

Gus Martinez
Mastermind 29751 points
Part Number: TMS320F280039C-Q1


Tool/software:

The default value shown in the TRM for following peripheral access registers does not match the default value observed in hardware (observed through CCS).

            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_CLB1  ) == 0x000000CF)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_CLB2  ) == 0x000000CF)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_CLB3  ) == 0x000000CF)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_CLB4  ) == 0x000000CF)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_SCIA  ) == 0x000000C3)&&                // TRM initial value show CF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_SCIB  ) == 0x000000C3)&&                // TRM initial value show CF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_I2CA  ) == 0x000000C3)&&                // TRM initial value show CF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_I2CB  ) == 0x000000C3)&&                // TRM initial value show CF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_CANA  ) == 0x000000F3)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_MCANA ) == 0x000000C3)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_HICA  ) == 0x0000003F)&&                // TRM initial value show FF
            (HWREGH(PERIPHAC_BASE + SYSCTL_ACCESS_AESA  ) == 0x00000033)) == 1)           // TRM initial value show FF

Confirm if the TRM is incorrect.