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AM2434...ALV 数据表(PDF) 18 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 18 Page - Texas Instruments |
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18 / 280 page  • An empty box, NA, or "-" means Not Applicable. 7. Ball State During Reset (RX/TX/PULL): State of the terminal while MCU_PORz is asserted, where RX defines the state of the input buffer, TX defines the state of the output buffer, and PULL defines the state of internal pull resistors: • RX (Input buffer) – Off: The input buffer is disabled. – On: The input buffer is enabled. • TX (Output buffer) – Off: The output buffer is disabled. – Low: The output buffer is enabled and drives VOL. • PULL (Internal pull resistors) – Off: Internal pull resistors are turned off. – Up: Internal pull-up resistor is turned on. – Down: Internal pull-down resistor is turned on. – NA: No internal pull resistor. • An empty box, or "-" means Not Applicable. 8. Ball State After Reset (RX/TX/PULL): State of the terminal after MCU_PORz is deasserted, where RX defines the state of the input buffer, TX defines the state of the output buffer, and PULL defines the state of internal pull resistors: • RX (Input buffer) – Off: The input buffer is disabled. – On: The input buffer is enabled. • TX (Output buffer) – Off: The output buffer is disabled. – SS: The subsystem selected with MUXMODE determines the output buffer state. • PULL (Internal pull resistors) – Off: Internal pull resistors are turned off. – Up: Internal pull-up resistor is turned on. – Down: Internal pull-down resistor is turned on. – NA: No internal pull resistor. • An empty box, NA, or "-" means Not Applicable. 9. Mux Mode After Reset: The value found in this column defines the default pin multiplexed signal function after MCU_PORz is deasserted. • An empty box, NA, or "-" means Not Applicable. 10. I/O Voltage: This column describes I/O operating voltage options of the respective power supply, when applicable. • An empty box, NA, or "-" means Not Applicable. For more information, see valid operating voltage range defined for each power supply in Recommended Operating Conditions. 11. Power: The power supply of the associated I/O, when applicable. • An empty box, NA, or "-" means Not Applicable. 12. Hys: Indicates if the input buffer associated with this I/O has hysteresis: • Yes: Hysteresis Support • No: No Hysteresis Support • An empty box, NA, or "-" means Not Applicable. For more information, see the hysteresis values in Electrical Characteristics. 13. Pull Type: Indicates the presence of an internal pull-up or pull-down resistor. Internal resistors can be enabled or disabled via software. AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 www.ti.com 18 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM2434 AM2432 AM2431 |
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