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10. I/O OPERATING VOLTAGE: This column describes I/O operating voltage options of the respective power

supply, when applicable.

An empty box means Not Applicable.

For more information, see valid operating voltage range(s) defined for each power supply in Section 7.4,

Recommended Operating Conditions.

11. POWER: The power supply of the associated I/O, when applicable.

An empty box means Not Applicable.

12. HYS: Indicates if the input buffer associated with this I/O has hysteresis:

• Yes: With hysteresis

• No: Without hysteresis

• An empty box means Not Applicable.

For more information, see the hysteresis values in Section 7.7, Electrical Characteristics.

13. BUFFER TYPE: This column defines the buffer type associated with a terminal. This information can be

used to determine which Electrical Characteristics table is applicable.

An empty box means Not Applicable.

For electrical characteristics, refer to the appropriate buffer type table in Section 7.7, Electrical

Characteristics.

14. PULL UP/DOWN TYPE: Indicates the presence of an internal pullup or pulldown resistor. Pullup and

pulldown resistors can be enabled or disabled via software.

• PU: Internal pull-up

• PD: Internal pull-down

• PU/PD: Internal pull-up and pull-down

• An empty box means No internal pull.

15. PADCONFIG Register:Name of the IO pad configuration register associated with Ball.

16. PADCONFIG Address:Physical address of the IO pad configuration register associated with Ball.

AM6442, AM6441, AM6421, AM6412, AM6411

SPRSP56D – JANUARY 2021 – REVISED JULY 2022

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AM6442...ALV 数据表(PDF) 16 Page - Texas Instruments