MC56F81663 datasheet(17/73 Pages) NXP

17 / 73 page

Table 2. Signal descriptions (continued)

Signal Name

LQFP

LQFP/

QFN

State

During

Reset

Type

Signal Description

OPAMPA_IN0)

When used as an analog input, the signal goes to

ANA1 and CMPA_IN0 and OPAMPA_IN0.1

GPIOA2

Input

Input/

Output

GPIO Port A2 — After reset, the default state is

GPIOA2.

(ANA2

VREFHA

CMPA_IN1

OPAMPA_IN1)

Input

ANA2 — ADCA input channel 2.

VREFHA — ADCA analog reference high.

CMPA_IN1 — Analog comparator A input 1.

OPAMPA_IN1 — Operational amplifier A input 1.

When used as an analog input, the signal goes to

ANA2 (or VREFHA) and CMPA_IN1 and

OPAMPA_IN1. 1

NOTE: ADC input can be configured as either ANA2

or VREFHA in the ADC Calibration Register.

GPIOA3

—

Input

Input/

Output

GPIO Port A3 — After reset, the default state is

GPIOA3.

(ANA3

VREFLA

CMPA_IN2

OPAMPA_IN2)

Input

ANA3 — ADCA input channel 3.

VREFLA — ADCA analog reference low.

CMPA_IN2 — Analog comparator A input 2.

OPAMPA_IN2 — Operational amplifier A input 2.

When used as an analog input, the signal goes to

ANA3 (or VREFLA) and CMPA_IN2 and

OPAMPA_IN2.1

NOTE: ADC input can be configured as either ANA3

or VREFLA in the ADC Calibration Register.

GPIOA4

—

Input

Input/

Output

GPIO Port A4 — After reset, the default state is

GPIOA4.

(ANA4

CMPD_IN0)

Input

ANA4 — ADCA input channel 4.

CMPD_IN0 — Analog comparator D input 0.

When used as an analog input, the signal goes to

ANA4 and CMPD_IN0.1

GPIOA5

—

Input

Input/

Output

GPIO Port A5 — After reset, the default state is

GPIOA5.

(ANA5

CMPD_IN1)

Input

ANA5 — ADCA input channel 5.

CMPD_IN1 — Analog comparator D input 1.

When used as an analog input, the signal goes to

ANA5 and CMPD_IN1.1

GPIOA6

—

Input

Input/

Output

GPIO Port A6 — After reset, the default state is

GPIOA6.

(ANA6

CMPD_IN2)

Input

ANA6 — ADCA input channel 6.

CMPD_IN2 — Analog comparator D input 2.

Table continues on the next page...

MC56F81xxx signal and pin descriptions

MC56F81xxx, Rev. 1.1, 12/2020

NXP Semiconductors

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