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PCYRTC(4) Device Drivers Manual PCYRTC(4)

pcyrtcNXP PCF85063A/TP real-time clock

pcyrtc* at iic? addr 0x51

The pcyrtc driver provides support for the NXP PCF85063A/TP real-time clock chip.

iic(4), intro(4)

The pcyrtc driver first appeared in OpenBSD 7.1.

The pcyrtc driver was written by Mark Kettenis <>.

November 22, 2021 OpenBSD-7.1