NRF52811-QCAA-R7 datasheet(246/444 Pages) NORDIC

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Peripherals

6.15.3.7 CONFIG

Address offset: 0x504

Configuration register

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

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

Access

Field

Value ID

Value

Description

RW DERCEN

Bias correction

Disabled

Enabled

6.15.3.8 VALUE

Address offset: 0x508

Output random number

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

A A A A A A A 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

Access

Field

Value ID

Value

Description

VALUE

[0..255]

Generated random number

6.15.4 Electrical specification

6.15.4.1 RNG Electrical Specification

Symbol

Description

Min.

Typ.

Max.

Units

tRNG,START

Time from setting the START task to generation begins.

This is a one-time delay on START signal and does not apply

between samples.

128

µs

tRNG,RAW

Run time per byte without bias correction. Uniform

distribution of 0 and 1 is not guaranteed.

µs

tRNG,BC

Run time per byte with bias correction. Uniform distribution

of 0 and 1 is guaranteed. Time to generate a byte cannot be

guaranteed.

120

µs

6.16 RTC — Real-time counter

The Real-time counter (RTC) module provides a generic, low power timer on the low-frequency clock

source (LFCLK).

4454_140 v1.0

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