RCC system public configuration register3
| MODPUBC | Defines the public protection of the MOD configuration bits (enable, ready, divider).  |  
| SYSPUBC | Defines the public protection of the SYS configuration bits (enable, ready, divider).  |  
| BUSPUBC | Defines the public protection of the BUS configuration bits (enable, ready, divider).  |  
| PERPUBC | Defines the public protection of the PER configuration bits (enable, ready, divider).  |  
| INTPUBC | Defines the public protection of the INT configuration bits (enable, ready, divider).  |  
| RSTPUBC | Defines the public protection of the RST configuration bits (enable, ready, divider).  |  
| DFTPUBC | Defines the public protection of the DFT configuration bits (enable, ready, divider).  |