---
name: "acrtc"
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/acrtc"
---

# acrtc(4)

X-Powers AC100 audio codec and real-time clock

## NAME

**acrtc** – X-Powers AC100 audio codec and real-time clock

## SYNOPSIS

**acrtc\* at rsb?**

## DESCRIPTION

The **acrtc** driver provides support for the X-Powers AC100 audio codec and RTC subsystem.

## SEE ALSO

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

## HISTORY

The **acrtc** driver first appeared in OpenBSD 6.3.

## AUTHORS

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

## BUGS

Support for the audio codec functionality is missing.