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When both pull-up and pull-down are enabled, the RP2040 enters a so-called "bus keep" function, which uses a weak pull to tue current high/low state of the GPIO. See for example https://raspberrypi.github.io/pico-sdk-doxygen/group__hardware__gpio.html#gab6bf9552da32b3dd0a5d0db45d8374fc |
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dynpin.rs | ||
mod.rs | ||
pin.rs | ||
reg.rs |