AM2432...ALV datasheet(163/280 Pages) TI

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7.10.5.7 GPIO

Table 7-48, Table 7-49, and Table 7-50 present timing conditions, requirements, and switching characteristics for

GPIO.

The device has three instances of the GPIO module.

• MCU_GPIO0

• GPIO0

• GPIO1

Note

GPIOn_x is generic name used to describe a GPIO signal, where n represents the specific GPIO

module and x represents one of the input/output signals associated with the module.

For additional description information on the device GPIO, see the corresponding subsections within

Signal Descriptions and Detailed Description sections.

Table 7-48. GPIO Timing Conditions

PARAMETER

BUFFER TYPE

MIN

MAX UNIT

INPUT CONDITIONS

SRI

Input slew rate

LVCMOS

0.2

6.6

V/ns

I2C OD FS

0.2

0.8

V/ns

OUTPUT CONDITIONS

Output load capacitance

LVCMOS

I2C OD FS

100

Table 7-49. GPIO Timing Requirements

NO.

PARAMETER

DESCRIPTION

MODE

MIN

MAX

UNIT

GPIO1 tw(GPIO_IN)

Pulse width, GPIOn_x

1.8 V

2P + 2.6

(1)

3.3 V

2P + 3.5

(1)

P = functional clock period in ns.

Table 7-50. GPIO Switching Characteristics

NO.

PARAMETER

DESCRIPTION

BUFFER TYPE

MIN

MAX

UNIT

GPIO2 tw(GPIO_OUT)

Pulse width, GPIOn_x

LVCMOS

0.975P(1) -

3.6

I2C OD FS

160

(1)

P = functional clock period in ns.

For more information, see General-Purpose Interface (GPIO) section in Peripherals chapter in the device TRM.

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AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

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