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 |
| CICACHE_REGF | clear the illegal access flag for ICACHE registers |
| CDCACHE1_REGF | clear the illegal access flag for DCACHE1 registers |
| CADC12F | clear the illegal access flag for ADC1 and ADC2 |
| CDCMIF | clear the illegal access flag for DCMI |
| COTGF | 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 |
| CFSMC_REGF | clear the illegal access flag for FSMC registers |
| COCTOSPI1_REGF | clear the illegal access flag for OCTOSPI1 registers |
| COCTOSPI2_REGF | clear the illegal access flag for OCTOSPI2 registers |
| CRAMCFGF | clear the illegal access flag for RAMCFG |
| CGPU2DF | clear the illegal access flag for GPU2D |
| CGFXMMUF | clear the illegal access flag for GFXMMU |
| CGFXMMU_REGF | clear the illegal access flag for GFXMMU registers |
| CHSPI1_REGF | clear the illegal access flag for GFXMMU registers |
| CDCACHE2_REGF | clear the illegal access flag for GFXMMU registers |