TRNG_DEBUG

nRF5340 Product Specification

Address offset: 0x138

Debug register for the TRNG. This register is used to bypass TRNG tests in hardware.

Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID C B A
Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

RW

VNC_BYPASS

Bypass the von Neumann corrector post-processing test, including the 32 consecutive bits test.

Disabled

0

von Neumann corrector post-processing is active

Enabled

1

Bypass the von Neumann corrector

B

RW

CRNGT_BYPASS

Bypass the Continuous Random Number Generator Test (CRNGT).

Disabled

0

CRNGT is active

Enabled

1

Bypass CRNGT

C

RW

AUTOCORR_BYPASS

Bypass the autocorrelation test.

Disabled

0

Autocorrelation test is active

Enabled

1

Bypass the autocorrelation test