Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual page 1017

Bit Name
Value
0
1
7 FULLIEN
Enable/Disable FIFO full interrupt.
6 APT4096IEN
Enable/Disable 4096-sample Adaptive Proportion test failure interrupt.
5 APT64IEN
Enable/Disable 64-sample Adaptive Proportion test failure interrupt.
4 REPCOUNTIEN
Enable/Disable Repetition Count Test failure interrupt.
3 CONDBYPASS
Enables bypassing of the conditioning function (to observe entropy source directly).
Value
0
1
2 TESTEN
Selects the input for the conditioning function and continuous tests.
Value
0
1
1 Reserved
0 ENABLE
Enable the TRNG. The module will generate random numbers unless the FIFO is full.
Value
0
1
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Reset Access Description
Mode Description
NORMAL Module not in reset
RESET The continuous test, the conditioning function and the FIFO are reset
0 RW Interrupt Enable for FIFO Full
0 RW Interrupt Enable for Adaptive Proportion Test Failure (4096-sample
Window)
0 RW Interrupt Enable for Adaptive Proportion Test Failure (64-sample
Window)
0 RW Interrupt Enable for Repetition Count Test Failure
0 RW Conditioning Bypass
Mode Description
NORMAL The conditionig function is used
BYPASS The conditioning function is bypassed
0 RW Test Enable
Mode Description
NOISE Non-determinsitc random number generation
TESTDATA Pseudo-random number generation
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0 RW TRNG Module Enable
Mode Description
DISABLED Module disabled
ENABLED Module enabled
TRNG - True Random Number Generator
Reference Manual
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