Embedded 101: Two Types of MCU Resets — Full Chip Reboot vs Subsystem Reset
This article explains two reset types of RP2040: full chip reset and independent subsystem peripheral reset, along with relevant reset signals.
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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. Reset Reset is like the "emergency restart button" of a chip. When the chip program freezes, the power supply voltage is unstable, or a restart is…
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