The Pinout here below is an enhanced documented version of the official PinOut.
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On the following pinout, only the default position of each bus is annoted.
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[[fichier:ENG-CANSAT-PICO-PINOUT.jpg|960px]]
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The official pinout contains the same bus at several positions. This may looks confusing but possible thanks to the "Bus Fabric" feature of the RP2040.
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To benefits from the "Bus Fabric", the pin used must be mentionned when creating the bus instance (the simplified pinout demonstrated this for the I2C bus #0 & #1).
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{{ambox|We strongly recommend to relies on the default bus location to not over-complicates code writing and schematics understanding.}}