DBGMCU Configuration Register
| DBGSLEEP_D1 | Allow D1 domain debug in Sleep mode |
| DBGSTOP_D1 | Allow D1 domain debug in Stop mode |
| DBGSTBY_D1 | Allow D1 domain debug in Standby mode |
| DBGSLEEP_D2 | Allow D2 domain debug in Sleep mode |
| DBGSTOP_D2 | Allow D2 domain debug in Stop mode |
| DBGSTBY_D2 | Allow D2 domain debug in Standby mode |
| DBGSTOP_D3 | Allow debug in D3 Stop mode |
| DBGSTBY_D3 | Allow debug in D3 Standby mode |
| TRACECLKEN | Trace port clock enable |
| D1DBGCKEN | D1 debug clock enable |
| D3DBGCKEN | D3 debug clock enable |
| TRGOEN | External trigger output enable |