NRF52811-QCAA-R datasheet(234/444 Pages) NORDIC

234 / 444 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

I I I I I I I H H H H H H H H G G G F F F

E E

C B

Reset 0x00002800

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

Access

Field

Value ID

Value

Description

RW S0CONF

S0 bit pattern to match

The least significant bit always corresponds to the first bit of

S0 received.

RW S0MASK

S0 bit mask to set which bit to match

The least significant bit always corresponds to the first bit of

S0 received.

6.14.15.79 DFECTRL1

Address offset: 0x910

Various configuration for Direction finding

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

I I I I

G G G F E E E

C C C B

A A A A A A

Reset 0x00023282

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

Access

Field

Value ID

Value

Description

RW NUMBEROF8US

Length of the AoA/AoD procedure in number of 8 us units

Always used in TX mode, but in RX mode only when

CTEINLINECTRLEN is 0

RW DFEINEXTENSION

Add CTE extension and do antenna switching/sampling in

this extension

CRC

AoA/AoD procedure triggered at end of CRC

Payload

Antenna switching/sampling is done in the packet payload

RW TSWITCHSPACING

Interval between every time the antenna is changed in the

SWITCHING state

4us

2us

1us

RW TSAMPLESPACINGREF

Interval between samples in the REFERENCE period

4us

2us

1us

500ns

0.5us

250ns

0.25us

125ns

0.125us

RW SAMPLETYPE

Whether to sample I/Q or magnitude/phase

Complex samples in I and Q

MagPhase

Complex samples as magnitude and phase

RW TSAMPLESPACING

Interval between samples in the SWITCHING period when

CTEINLINECTRLEN is 0

Note: Not used when CTEINLINECTRLEN is

set. Then either CTEINLINERXMODE1US or

CTEINLINERXMODE2US are used.

4us

2us

1us

500ns

0.5us

4454_140 v1.0

234

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