---
name: "dsxrtc"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/dsxrtc"
---

# dsxrtc(4)

Maxim DS3231/DS3232 real-time clock

## NAME

**dsxrtc** – Maxim DS3231/DS3232 real-time clock

## SYNOPSIS

**dsxrtc\* at iic? addr 0x68**

## DESCRIPTION

The **dsxrtc** driver provides support for the Maxim DS3231 and DS3232 real-time clock chips.

## SEE ALSO

[iic(4)](/iic/4.md), [intro(4)](/intro/4.md)

## HISTORY

The **dsxrtc** driver first appeared in OpenBSD 6.7.

## AUTHORS

The **dsxrtc** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.