NRF52820-QDAA-R datasheet(214/437 Pages) NORDIC

214 / 437 page

Peripherals

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 A A A A A A A A A A A A A A A A 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

RW MHRMATCHCONF

Search pattern configuration

6.12.15.72 MHRMATCHMAS

Address offset: 0x648

Pattern mask

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 A A A A A A A A A A A A A A A A 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

RW MHRMATCHMAS

Pattern mask

6.12.15.73 MODECNF0

Address offset: 0x650

Radio mode configuration register 0

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

C C

Reset 0x00000200

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0

Access

Field

Value ID

Value

Description

RW RU

Radio ramp-up time

Default

Default ramp-up time (tRXEN and tTXEN), compatible with

firmware written for nRF51

Fast

Fast ramp-up (tRXEN,FAST and tTXEN,FAST), see electrical

specifications for more information

When enabled, TIFS is not enforced by hardware and

software needs to control when to turn on the Radio

RW DTX

Default TX value

Specifies what the RADIO will transmit when it is not

started, i.e. between:

RADIO.EVENTS_READY and RADIO.TASKS_START

RADIO.EVENTS_END and RADIO.TASKS_START

RADIO.EVENTS_END and RADIO.EVENTS_DISABLED

For IEEE 802.15.4 250 kbps mode only Center is a valid

setting

For Bluetooth Low Energy Long Range mode only Center is

a valid setting

Transmit '1'

Transmit '0'

Center

Transmit center frequency

When tuning the crystal for center frequency, the RADIO

must be set in DTX = Center mode to be able to achieve the

expected accuracy

4463_156 v1.0

214

NRF52820-QDAA-R Datasheet(PDF) 214 Page - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 214 Page - Nordic Semiconductor

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