57.6.1 TRNG Control Register

This register can only be written if the WPCREN bit is cleared in the TRNG Write Protection Mode Register.

Name: TRNG_CR
Offset: 0x00
Reset: 
Property: Write-only

Bit 3130292827262524 
 WAKEY[23:16] 
Access WWWWWWWW 
Reset  
Bit 2322212019181716 
 WAKEY[15:8] 
Access WWWWWWWW 
Reset  
Bit 15141312111098 
 WAKEY[7:0] 
Access WWWWWWWW 
Reset  
Bit 76543210 
        ENABLE 
Access W 
Reset  

Bits 31:8 – WAKEY[23:0] Register Write Access Key

ValueNameDescription
0x524E47 PASSWD Writing any other value in this field aborts the write operation.

Bit 0 – ENABLE Enable TRNG to Provide Random Values

ValueDescription
0 Disables the TRNG if 0x524E47 (“RNG” in ASCII) is written in WAKEY field at the same time.
1 Enables the TRNG if 0x524E47 (“RNG” in ASCII) is written in WAKEY field at the same time.