DS1302 RTC Hands‑on Guide: Features, Registers, Timing & PCB Layout
Practical embedded RTC tutorial covering DS1302 features, registers, communication timing and PCB layout design.
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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. DS1302 is a widely‑used real‑time clock (RTC) chip. It keeps track of time including seconds, minutes, hours, day‑of‑week, date, month and year, and…
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