Signature generation status clear register
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |
| SIG_DONE_CLR | Writing a 1 to this bits clears the signature generation completion flag (SIG_DONE) in the FMSTAT register. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |