AM69 datasheet(11/312 Pages) TI

11 / 312 page

Note

The Pin Attributes table, defines the SoC pin multiplexed signal function implemented at the pin

and does not define secondary multiplexing of signal functions implemented in device subsystems.

Secondary multiplexing of signal functions are not described in this table. For more information on

secondary multiplexed signal functions, see the respective peripheral chapter of the device TRM.

4. Mux Mode: The MUXMODE value associated with each pin multiplexed signal function:

• MUXMODE 0 is the primary pin multiplexed signal function. However, the primary pin multiplexed signal

function is not necessarily the default pin multiplexed signal function.

• MUXMODE values 1 through 15 are possible for pin multiplexed signal functions. However, not all

MUXMODE values have been implemented. The only valid MUXMODE values are those defined as pin

multiplexed signal functions within the Pin Attributes table. Only valid values of MUXMODE can be used.

• Bootstrap defines SOC configuration pins, where the logic state applied to each pin is latched on the

rising edge of PORz_OUT. These input signal functions are fixed to their respective pins and are not

programmable via MUXMODE.

• An empty box or "-" means Not Applicable.

Note

• The value found in the MUX MODE AFTER RESET column defines the default pin multiplexed

signal function selected when MCU_PORz is deasserted.

• Configuring two pins to the same pin multiplexed signal function can yield unexpected results and is

not supported. This can be prevented with proper software configuration.

• Configuring a pad to an undefined multiplexing mode results in undefined behavior and must be

avoided.

5. Signal Type: Signal type and direction:

• 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

• CAP = LDO capacitor

• PWR = Power

• GND = Ground

6. I/O VOLTAGE VALUE: This column describes the IO voltage value (the corresponding power supply).

An empty box 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.

– High: The output buffer is enabled and drives VOH.

• PULL (Internal pull resistors)

– Off: Internal pull resistors are turned off.

– Up: Internal pull-up resistor is turned on.

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AM69A, AM69

SPRSP92C – FEBRUARY 2023 – REVISED JUNE 2024

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