NRF52820-QDAA-R datasheet(215/437 Pages) NORDIC

215 / 437 page

Peripherals

6.12.15.74 SFD

Address offset: 0x660

IEEE 802.15.4 start of frame delimiter

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 0x000000A7

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

Access

Field

Value ID

Value

Description

RW SFD

IEEE 802.15.4 start of frame delimiter

6.12.15.75 EDCNT

Address offset: 0x664

IEEE 802.15.4 energy detect loop count

Number of iterations to perform an ED scan. If set to 0 one scan is performed, otherwise the specified

number + 1 of ED scans will be performed and the max ED value tracked in EDSAMPLE.

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

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 EDCNT

IEEE 802.15.4 energy detect loop count

6.12.15.76 EDSAMPLE

Address offset: 0x668

IEEE 802.15.4 energy detect level

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

EDLVL

[0..127]

IEEE 802.15.4 energy detect level

an 8-bit saturating multiplication by factor ED_RSSISCALE, as

shown in the code example for ED sampling

6.12.15.77 CCACTRL

Address offset: 0x66C

IEEE 802.15.4 clear channel assessment control

4463_156 v1.0

215

NRF52820-QDAA-R Datasheet(PDF) 215 Page - Nordic Semiconductor

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