Embedded 101: MCU Power-Up State Machine Explained via RP2040
This article introduces RP2040's power-on finite-state machine, its hardware sequential startup flow and controlled modules during chip power-up.
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Project description
【Preliminary Note】The original hardware example in this article was written based on the RP2040. The actual hardware used in this hands-on demonstration features the W55RP20 as the main controller chip. The circuit logic and UF2 flashing operation principles are universally applicable, with only the main controller model differing. The original chip model mentioned in the circuit descriptions below is provided for reference purposes only. Power-on finite-state machine The power-on finite-state machine can be understood as the automatic startup wizard after a chip is powered on or reset. It…
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