HW_ERR=HW_ERR_NO, ENT_VAL=ENT_VAL_INVALID, FRQ_CT_FAIL=FRQ_CT_FAIL_NO_ERR
Interrupt Status Register
| HW_ERR | Read: Error status 0 (HW_ERR_NO): no error 1 (HW_ERR_YES): error detected. |
| ENT_VAL | Read only: Entropy Valid 0 (ENT_VAL_INVALID): Busy generation entropy. Any value read is invalid. 1 (ENT_VAL_VALID): TRNG can be stopped and entropy is valid if read. |
| FRQ_CT_FAIL | Read only: Frequency Count Fail 0 (FRQ_CT_FAIL_NO_ERR): No hardware nor self test frequency errors. 1 (FRQ_CT_FAIL_ERR): The frequency counter has detected a failure. |