ABCRTC(4) Device Drivers Manual ABCRTC(4)

abcrtc — Abracon AB1805 real-time clock

abcrtc* at iic? addr 0x69

The abcrtc driver provides support for the Abracon AB1805 real-time clock chip and similar variants.

iic(4), intro(4)

The abcrtc driver first appeared in OpenBSD 6.5.

The abcrtc driver was written by Patrick Wildt <patrick@blueri.se>.

OpenBSD 7.8 December 23, 2023 ABCRTC(4)