TZIC flag clear register 3
| CMDF1F | clear the illegal access flag for MDF1 |
| CCORDICF | clear the illegal access flag for CORDIC |
| CFMACF | clear the illegal access flag for FMAC |
| CCRCF | clear the illegal access flag for CRC |
| CTSCF | clear the illegal access flag for TSC |
| CDMA2DF | clear the illegal access flag for register of DMA2D |
| CICACHEF | clear the illegal access flag for ICACHE registers |
| CDCACHEF | clear the illegal access flag for DCACHE registers |
| CADC1F | clear the illegal access flag for ADC1 |
| CDCMIF | clear the illegal access flag for DCMI |
| COTGFSF | clear the illegal access flag for OTG_FS |
| CAESF | clear the illegal access flag for AES |
| CHASHF | clear the illegal access flag for HASH |
| CRNGF | clear the illegal access flag for RNG |
| CPKAF | clear the illegal access flag for PKA |
| CSAESF | clear the illegal access flag for SAES |
| COCTOSPIMF | clear the illegal access flag for OCTOSPIM |
| CSDMMC1F | clear the illegal access flag for SDMMC2 |
| CSDMMC2F | clear the illegal access flag for SDMMC1 |
| CFSMCF | clear the illegal access flag for FSMC registers |
| COCTOSPI1F | clear the illegal access flag for OCTOSPI1 registers |
| COCTOSPI2F | clear the illegal access flag for OCTOSPI2 registers |
| CRAMCFGF | clear the illegal access flag for RAMCFG |