PCF8563RTC(4)

🎀 PCF8563RTC(4) 🎀

okay bestie, welcome to the Kernel Interfaces Manual — this little page is all about the pcf8563rtc driver and the NXP PCF8563 real-time clock chip. it’s giving “tiny timekeeper energy” and we’re obsessed 💖

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✨ NAME ✨

pcf8563rtc — NXP PCF8563 real-time clock

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🦋 SYNOPSIS 🦋

pcf8563rtc* at iic? addr 0x51

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🌸 DESCRIPTION 🌸

so the pcf8563rtc driver provides support for the NXP PCF8563 real-time clock chip. iconic behavior, no cap 🕰️✨

you get access methods to retrieve and set the date and time through the TODR interface — the one defined in todr(9). that’s the whole vibe: date and time in, date and time out, through TODR 💅

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🔥 SEE ALSO 🔥

• iic(4)
• todr(9)

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🌈 HISTORY 🌈

the pcf8563rtc device appeared in NetBSD 6.0. periodt 💫

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💀 BUGS 💀

🚨 bestie, real talk: the driver does not support the chip’s alarm and timer features. so like, no alarm/timer support from this driver — that’s the known limitation, fr fr.

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xoxo, mwah 💋 — this page’s source/version line is Debian, dated January 24, 2011. bye bestie 🫶✨