| Access Type | Description |
|---|---|
| RO |
Read only Readable register; write has no effect |
| RW |
Read and write Readable and writable register |
| RW1T |
Read and write. ‘1’ to trigger Write ‘1’ to trigger. Write ‘0’ is ignored. Read returns ‘0’. |
| RW1C |
Read, write ‘1’s to Clear Writing a ‘1’ clears the corresponding bit position in the register to ‘0’; Writing a ‘0’ leaves the corresponding bit unchanged. For example, it can be used to acknowledge interrupt status. |
| WO |
Write only Writable register, the value is not readable (returns ‘0’) |