Analysis of 20 MCU Low-Power Modes: Clock Gating, Power Gating, and Deep Sleep
This article introduces RP2040 low-power strategies to cut dynamic and static power, including clock gating, clock switching and DORMANT deep sleep mode.
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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. Low Power Mode Adjustment Here, let us first clarify two basic concepts: Dynamic power: the power consumption of a chip when it is in operation (e. g…
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