41.6.1 Control A

Table 41-1. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: CTRLA
Offset: 0x00
Reset: 0x00
Property: PAC Write-Protection

Bit 76543210 
  RUNSTDBY    ENABLE  
Access R/WR/W 
Reset 00 

Bit 6 – RUNSTDBY Run in Standby

This bit controls how the TRNG behaves during standby sleep mode:

ValueDescription
0The TRNG is halted during standby sleep mode.
1The TRNG continues to operate in standby sleep mode.

Bit 1 – ENABLE Enable

ValueDescription
0The TRNG is disabled.
1The TRNG is enabled.