Maxim-Integrated /max32657 /TRNG /STATUS

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Interpret as STATUS

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 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 (Busy)RDY 0 (OD_HEALTH)OD_HEALTH 0 (HEALTH)HEALTH 0 (SRCFAIL)SRCFAIL 0 (OD_ROMON)OD_ROMON 0 (OD_EE)OD_EE 0 (PP_ERR)PP_ERR 0 (ROMON_0_ERR)ROMON_0_ERR 0 (ROMON_1_ERR)ROMON_1_ERR 0 (ROMON_2_ERR)ROMON_2_ERR 0 (EE_ERR_THR)EE_ERR_THR 0 (EE_ERR_OOB)EE_ERR_OOB 0 (EE_ERR_LOCK)EE_ERR_LOCK 0 (TERO_CNT_RDY)TERO_CNT_RDY 0 (RC_ERR)RC_ERR 0 (AP_ERR)AP_ERR 0 (DATA_DONE)DATA_DONE 0 (DATA_NIST_DONE)DATA_NIST_DONE 0 (HEALTH_DONE)HEALTH_DONE 0 (ROMON_DONE)ROMON_DONE 0 (EE_DONE)EE_DONE

RDY=Busy

Description

Data. The content of this register is valid only when RNG_IS = 1. When TRNG is disabled, read returns 0x0000 0000.

Fields

RDY

32-bit random data is ready to read from TRNG_DATA register. Reading TRNG_DATA when RND_RDY=0 will return all 0’s. IRQ is generated when RND_RDY=1 if TRNG_CN.RND_IRQ_EN=1.

0 (Busy): TRNG Busy

1 (Ready): 32 bit random data is ready

OD_HEALTH

On-Demand health test status.

HEALTH

Health test status.

SRCFAIL

Entropy source has failed.

OD_ROMON

On demand ring oscillator test status.

OD_EE

On demand entropy estimator status.

PP_ERR

Post process error.

ROMON_0_ERR

Ring Oscillator 0 Monitor Error.

ROMON_1_ERR

Ring Oscillator 1 Monitor Error.

ROMON_2_ERR

Ring Oscillator 2 Monitor Error.

EE_ERR_THR

Entropy Estimator Threshold Error.

EE_ERR_OOB

Entropy Estimator Out of Bounds Error…

EE_ERR_LOCK

Entropy Estimator Lock Error.

TERO_CNT_RDY

TERO Count Ready.

RC_ERR

Repetition Count Error.

AP_ERR

Adaptive Proportion Error.

DATA_DONE

Data register has been loaded with at least 32 new entropy bits.

DATA_NIST_DONE

Data NIST register has been loaded with at least 32 new entropy bits.

HEALTH_DONE

Health Test Done.

ROMON_DONE

Ring Oscillator Monitor Test Done.

EE_DONE

Entropy Estimator Test Done.

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