AM6422BSDFHAALVR datasheet(57/273 Pages) TI2

57 / 273 page

5.3 Signal Descriptions

Many signals are available on multiple pins, according to the software configuration of the pin multiplexing

options.

The following list describes the column headers:

1. SIGNAL NAME: The name of the signal passing through the pin.

Note

Signal names and descriptions provided in each Signal Descriptions table, represent the pin

multiplexed signal function implemented at the pin and selected via PADCONFIG registers. Some

device subsystems provide an additional layer of multiplexing for signal functions that are not

described in these tables. For more information on secondary multiplexed signal functions, see the

respective peripheral chapter of the device TRM.

2. SIGNAL TYPE: Signal direction and type:

• I = Input

• O = Output

• OD = Output, with open-drain output function

• IO = Input, Output, or simultaneously Input and Output

• IOD = Input, Output, or simultaneously Input and Output with open-drain output function

• IOZ = Input, Output, or simultaneously Input and Output with three-state output function

• OZ = Output with three-state output function

• A = Analog

• PWR = Power

• GND = Ground

• CAP = LDO Capacitor

3. DESCRIPTION: Description of the signal

4. BALL: Ball number(s) associated with signal

For more information on the IO cell configurations, see the Pad Configuration Registers section within the Device

Configuration chapter of the device TRM.

5.3.1 ADC

Note

The ADC can be configured to operate as eight general-purpose digital inputs. For more information,

see Analog-to-Digital Converter (ADC) section in Peripherals chapter in the device TRM.

5.3.1.1 MAIN Domain

Table 5-2. ADC0 Signal Descriptions

SIGNAL NAME [1]

SIGNAL

TYPE [2]

DESCRIPTION [3]

ALV/ANI PIN [4]

ADC0_REFN (5)

ADC0 Negative Reference

J16

ADC0_REFP (5)

ADC0 Positive Reference

J15

ADC0_AIN0 (2) (3) (4)

ADC Analog Input 0 / GPIO1_80 (Input Only)

G20

ADC0_AIN1 (2) (3) (4)

ADC Analog Input 1 / GPIO1_81 (Input Only)

F20

ADC0_AIN2 (2) (3) (4)

ADC Analog Input 2 / GPIO1_82 (Input Only)

E21

ADC0_AIN3 (2) (3) (4)

ADC Analog Input 3 / GPIO1_83 (Input Only)

D20

ADC0_AIN4 (2) (3) (4)

ADC Analog Input 4 / GPIO1_84 (Input Only)

G21

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SPRSP56J – JANUARY 2021 – REVISED JUNE 2026

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