NRF52811-QCAA-R datasheet(107/444 Pages) NORDIC

107 / 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

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 PSEL

Analog pin select

AnalogInput0

AIN0 selected as analog input

AnalogInput1

AIN1 selected as analog input

AnalogInput2

AIN2 selected as analog input

AnalogInput3

AIN3 selected as analog input

AnalogInput4

AIN4 selected as analog input

AnalogInput5

AIN5 selected as analog input

AnalogInput6

AIN6 selected as analog input

VddDiv2

VDD/2 selected as analog input

6.5.3.15 REFSEL

Address offset: 0x508

Reference source select for single-ended mode

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

Reset 0x00000004

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 1 0 0

Access

Field

Value ID

Value

Description

RW REFSEL

Reference select

Int1V2

VREF = internal 1.2 V reference (VDD >= 1.7 V)

Int1V8

VREF = internal 1.8 V reference (VDD >= VREF + 0.2 V)

Int2V4

VREF = internal 2.4 V reference (VDD >= VREF + 0.2 V)

VDD

VREF = VDD

ARef

VREF = AREF (VDD >= VREF >= AREFMIN)

6.5.3.16 EXTREFSEL

Address offset: 0x50C

External reference select

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

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 EXTREFSEL

External analog reference select

AnalogReference0

Use AIN0 as external analog reference

AnalogReference1

Use AIN1 as external analog reference

AnalogReference2

Use AIN2 as external analog reference

AnalogReference3

Use AIN3 as external analog reference

AnalogReference4

Use AIN4 as external analog reference

AnalogReference5

Use AIN5 as external analog reference

AnalogReference6

Use AIN6 as external analog reference

AnalogReference7

Use AIN7 as external analog reference

6.5.3.17 TH

Address offset: 0x530

4454_140 v1.0

107

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