Bit | Meaning when set |
---|---|
0 | You must tell the OS when a code area changes (OS_SynchroniseCodeAreas) |
1 | Enabling then disabling interrupts does not allow them a chance to occur |
2 | Hardware vectors are only readable in 32 bit mode |
3 | When storing PC, PC+8 is stored (not PC+12) |
4 | Data aborts occur with ‘full early’ timing |