Most of the pins of the LPC54608 are with pull up on reset state. May I change this behaviour? I've seen that other microcontrollers have a non volatile memory (FAIM) to set up whether we want pull up, pull down or high-z at pins on reset.
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Thank you for your confirmation. Do you know why most of the pins are pull-up? This complicates a bit hardware design and for many years the "standard" reset state of pins has been high-Z.
I think not.
Check MCU user manual (UM10912.pdf), all peripheral register description sections describe a fixed reset value.