control register
| RNGEN | True random number generator enable  |  
| IE | Interrupt Enable  |  
| CED | Clock error detection  |  
| ARDIS | Auto reset disable  |  
| RNG_CONFIG3 | RNG configuration 3  |  
| NISTC | Non NIST compliant  |  
| RNG_CONFIG2 | RNG configuration 2  |  
| CLKDIV | Clock divider factor  |  
| RNG_CONFIG1 | RNG configuration 1  |  
| CONDRST | Conditioning soft reset  |  
| CONFIGLOCK | RNG Config Lock  |