MC56F81663 datasheet(24/73 Pages) NXP

24 / 73 page

Table 2. Signal descriptions (continued)

Signal Name

LQFP

LQFP/

QFN

State

During

Reset

Type

Signal Description

GPIOF1

—

Input

Input/

Output

GPIO Port F1 — After reset, the default state is

GPIOF1.

(CLKO1)

Output

Buffered clock output 1.

NOTE: The clock source is selected by

SIM_CLKOUT[CLKOSEL1] bits in SIM.

(XB_IN7)

Input

Crossbar module input 7.

(CMPD_O)

Output

Analog comparator D output.

GPIOF2

—

Input

Input/

Output

GPIO Port F2 — After reset, the default state is

GPIOF2.

(LP_SCL1)

Input/

Open-

drain

Output

I2C1 serial clock line

NOTE: In 4-wire mode, this is the I2C slave SCL input.

(XB_OUT6)

Output

Crossbar module output 6

(LP_SDA0)

Input/

Open-

drain

Output

I2C0 serial data line.

NOTE: In 4-wire mode, this is the I2C slave SDA

input.

GPIOF3

—

Input

Input/

Output

GPIO Port F3 — After reset, the default state is

GPIOF3.

(LP_SDA1)

Input/

Open-

drain

Output

I2C1 serial data line.

NOTE: In 4-wire mode, this is the I2C slave SDA

input.

(XB_OUT7)

Output

Crossbar module output 7

(LP_SCL0)

Input/

Output

I2C0 serial clock line

NOTE: In 4-wire mode, this is the I2C slave SCL input.

GPIOF4

—

Input

Input/

Output

GPIO Port F4 — After reset, the default state is

GPIOF4.

(TXD1)

Output

SCI1 transmit data output or transmit/receive in single

wire operation

(XB_OUT8)

Output

Crossbar module output 8

(PWMA_0X)

Input/

Output

PWM submodule 0, output X or input capture X.

(PWMA_FAULT6)

Input

PWM Fault input 6 for disabling selected PWM outputs.

GPIOF5

—

Input

Input/

Output

GPIO Port F5 — After reset, the default state is

GPIOF5.

(RXD1)

Input

SCI1 receive data input.

(XB_OUT9)

Output

Crossbar module output 9.

(PWMA_1X)

Input/

Output

PWM submodule 1, output X or input capture X.

(PWMA_FAULT7)

Input

PWM Fault input 7 for disabling selected PWM outputs.

Table continues on the next page...

MC56F81xxx signal and pin descriptions

MC56F81xxx, Rev. 1.1, 12/2020

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