mchp_sam_d5x_e5x_adc.h File Reference

Copyright (c) 2025-2026 Microchip Technology Inc. More...

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Macros
#define	MCHP_ADC_AIN0   0x00
	ADC input AIN0.
#define	MCHP_ADC_AIN1   0x01
	ADC input AIN1.
#define	MCHP_ADC_AIN2   0x02
	ADC input AIN2.
#define	MCHP_ADC_AIN3   0x03
	ADC input AIN3.
#define	MCHP_ADC_AIN4   0x04
	ADC input AIN4.
#define	MCHP_ADC_AIN5   0x05
	ADC input AIN5.
#define	MCHP_ADC_AIN6   0x06
	ADC input AIN6.
#define	MCHP_ADC_AIN7   0x07
	ADC input AIN7.
#define	MCHP_ADC_AIN8   0x08
	ADC input AIN8.
#define	MCHP_ADC_AIN9   0x09
	ADC input AIN9.
#define	MCHP_ADC_AIN10   0x0A
	ADC input AIN10.
#define	MCHP_ADC_AIN11   0x0B
	ADC input AIN11.
#define	MCHP_ADC_AIN12   0x0C
	ADC input AIN12.
#define	MCHP_ADC_AIN13   0x0D
	ADC input AIN13.
#define	MCHP_ADC_AIN14   0x0E
	ADC input AIN14.
#define	MCHP_ADC_AIN15   0x0F
	ADC input AIN15.
#define	MCHP_ADC_SCALEDCOREVCC   0x18
	1/4 scaled core supply
#define	MCHP_ADC_SCALEDVBAT   0x19
	1/4 scaled VBAT
#define	MCHP_ADC_SCALEDIOVCC   0x1A
	1/4 scaled I/O supply
#define	MCHP_ADC_BANDGAP   0x1B
	Bandgap voltage.
#define	MCHP_ADC_PTAT   0x1C
	PTAT temperature sensor.
#define	MCHP_ADC_CTAT   0x1D
	CTAT temperature sensor.
#define	MCHP_ADC_DAC0   0x1E
	DAC0 output.
#define	MCHP_ADC_MUXPOS_VALID_MASK   (GENMASK(0x1E, 0x18) | GENMASK(0x0F, 0x00))
	ADC positive input (MUXPOS) valid values in bits.
#define	MCHP_ADC_MUXNEG_VALID_MASK   (BIT(0x18) | GENMASK(0x07, 0x00))
	ADC negative input (MUXNEG) valid values in bits.
#define	MCHP_ADC_REF_INTREF   0x00
	Internal bandgap reference (SUPC.VREF.SEL).
#define	MCHP_ADC_REF_INTVCC0   0x02
	1/2 VDDANA (VDDANA > 2.0 V)
#define	MCHP_ADC_REF_INTVCC1   0x03
	VDDANA.
#define	MCHP_ADC_REF_AREFA   0x04
	External reference A.
#define	MCHP_ADC_REF_AREFB   0x05
	External reference B.
#define	MCHP_ADC_REF_AREFC   0x06
	External reference C (ADC1 only).

Detailed Description

Copyright (c) 2025-2026 Microchip Technology Inc.

SPDX-License-Identifier: Apache-2.0

ADC input selection definitions for SAM D5x/E5x devices.

Macro Definition Documentation

MCHP_ADC_AIN0

#define MCHP_ADC_AIN0   0x00

ADC input AIN0.

MCHP_ADC_AIN1

#define MCHP_ADC_AIN1   0x01

ADC input AIN1.

MCHP_ADC_AIN10

#define MCHP_ADC_AIN10   0x0A

ADC input AIN10.

MCHP_ADC_AIN11

#define MCHP_ADC_AIN11   0x0B

ADC input AIN11.

MCHP_ADC_AIN12

#define MCHP_ADC_AIN12   0x0C

ADC input AIN12.

MCHP_ADC_AIN13

#define MCHP_ADC_AIN13   0x0D

ADC input AIN13.

MCHP_ADC_AIN14

#define MCHP_ADC_AIN14   0x0E

ADC input AIN14.

MCHP_ADC_AIN15

#define MCHP_ADC_AIN15   0x0F

ADC input AIN15.

MCHP_ADC_AIN2

#define MCHP_ADC_AIN2   0x02

ADC input AIN2.

MCHP_ADC_AIN3

#define MCHP_ADC_AIN3   0x03

ADC input AIN3.

MCHP_ADC_AIN4

#define MCHP_ADC_AIN4   0x04

ADC input AIN4.

MCHP_ADC_AIN5

#define MCHP_ADC_AIN5   0x05

ADC input AIN5.

MCHP_ADC_AIN6

#define MCHP_ADC_AIN6   0x06

ADC input AIN6.

MCHP_ADC_AIN7

#define MCHP_ADC_AIN7   0x07

ADC input AIN7.

MCHP_ADC_AIN8

#define MCHP_ADC_AIN8   0x08

ADC input AIN8.

MCHP_ADC_AIN9

#define MCHP_ADC_AIN9   0x09

ADC input AIN9.

MCHP_ADC_BANDGAP

#define MCHP_ADC_BANDGAP   0x1B

Bandgap voltage.

MCHP_ADC_CTAT

#define MCHP_ADC_CTAT   0x1D

CTAT temperature sensor.

MCHP_ADC_DAC0

#define MCHP_ADC_DAC0   0x1E

DAC0 output.

MCHP_ADC_MUXNEG_VALID_MASK

#define MCHP_ADC_MUXNEG_VALID_MASK   (BIT(0x18) | GENMASK(0x07, 0x00))

ADC negative input (MUXNEG) valid values in bits.

MCHP_ADC_MUXPOS_VALID_MASK

#define MCHP_ADC_MUXPOS_VALID_MASK   (GENMASK(0x1E, 0x18) | GENMASK(0x0F, 0x00))

ADC positive input (MUXPOS) valid values in bits.

MCHP_ADC_PTAT

#define MCHP_ADC_PTAT   0x1C

PTAT temperature sensor.

MCHP_ADC_REF_AREFA

#define MCHP_ADC_REF_AREFA   0x04

External reference A.

MCHP_ADC_REF_AREFB

#define MCHP_ADC_REF_AREFB   0x05

External reference B.

MCHP_ADC_REF_AREFC

#define MCHP_ADC_REF_AREFC   0x06

External reference C (ADC1 only).

MCHP_ADC_REF_INTREF

#define MCHP_ADC_REF_INTREF   0x00

Internal bandgap reference (SUPC.VREF.SEL).

MCHP_ADC_REF_INTVCC0

#define MCHP_ADC_REF_INTVCC0   0x02

1/2 VDDANA (VDDANA > 2.0 V)

MCHP_ADC_REF_INTVCC1

#define MCHP_ADC_REF_INTVCC1   0x03

VDDANA.

MCHP_ADC_SCALEDCOREVCC

#define MCHP_ADC_SCALEDCOREVCC   0x18

1/4 scaled core supply

MCHP_ADC_SCALEDIOVCC

#define MCHP_ADC_SCALEDIOVCC   0x1A

1/4 scaled I/O supply

MCHP_ADC_SCALEDVBAT

#define MCHP_ADC_SCALEDVBAT   0x19

1/4 scaled VBAT