PCFRTC(4)

💖 PCFRTC(4) 💖

ok so this is from the Kernel Interfaces Manual bestie, and it's literally all about the pcfrtc driver — aka the NXP PCF8523 real-time clock. yes. the little chip that keeps time. main character energy fr fr 🕐✨

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✨ NAME ✨

pcfrtc — NXP PCF8523 real-time clock 🎀

no cap, that's the whole vibe. it's the RTC. it knows what time it is so you don't have to. 🫶

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🌸 SYNOPSIS 🌸

pcfrtc* at iic? addr 0x68

that's it. that's the config line. she's short, she's iconic, she's at address 0x68 on the iic? bus 💅

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🦋 DESCRIPTION 🦋

okay so listen 👑 — the pcfrtc driver provides support for the NXP PCF8523 real-time clock chip. that's the whole description and honestly? she ate. that's the entire job. keeping time. slaying quietly on the i2c bus. 🕰️✨

lowkey the most chill driver in the kernel ngl 🙈

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🔥 SEE ALSO 🔥

• iic(4)
• intro(4)

go read those if you wanna know more about the bus she lives on or, like, the whole intro situation. iykyk 💜

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⭐ HISTORY ⭐

the pcfrtc driver first appeared in OpenBSD 6.0 🎉 like ok vintage. a classic. we stan an origin story 🌈

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🧚 AUTHORS 🧚

the pcfrtc driver was written by Mark Kettenis <kettenis@openbsd.org> — thank you king, the timekeeping is immaculate 👑💖

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and that's the whole page bestie!! short, sweet, and fully unbothered 💅

this lil beauty came from Debian, dated November 20, 2018 — mwah, sending u the timestampiest vibes 🍓🎀✨