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The data sheet of the MCU says
" All GPIO pins are I/O/Z and have an internal pullup, which can be selectively enabled/disabled on a per-pin basis.
This feature only applies to the GPIO pins. The pullups on GPIO0-GPIO11 pins are not enabled at reset. The pullups on GPIO12-GPIO34 are enabled upon reset."
I did not find any details on default pullup/down status at reset for GPIO35-87.
Could you please let me know the default state of these GPIO pins.
-Manish
Manish,
Manish Kumar5 said:Could you please let me know the default state of these GPIO pins.
The default state of the pullups are controlled by the GPxPUD registers. The default state for that register is documented in the System Control and Interrupt Reference Guide. GPIOs 32-63 are controlled by GPBPUD, which is fully defined in said document. It looks like GPIOs 32-63 are "R/W-0".
Regards,
Cody