NRF52820-QDAA-R datasheet(119/437 Pages) NORDIC

119 / 437 page

Peripherals

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

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

6.5.3.17 TH

Address offset: 0x530

Threshold configuration for hysteresis unit

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

B B B B B B

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 THDOWN

[63:0]

VDOWN = (THDOWN+1)/64*VREF

RW THUP

[63:0]

VUP = (THUP+1)/64*VREF

6.5.3.18 MODE

Address offset: 0x534

Mode configuration

4463_156 v1.0

119

NRF52820-QDAA-R Datasheet(PDF) 119 Page - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 119 Page - Nordic Semiconductor

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