---
name: "pcfiic"
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/pcfiic"
---

# pcfiic(4)

Philips PCF8584 I2C controller

## NAME

**pcfiic** – Philips PCF8584 I2C controller

## SYNOPSIS

**# sparc64** **pcfiic\* at ebus?** **iic\* at pcfiic?**

## DESCRIPTION

The **pcfiic** driver provides support for the Philips PCF8584 I2C controller to be used with the [iic(4)](/iic/4.md) framework.

## SEE ALSO

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

## HISTORY

The **pcfiic** driver first appeared in OpenBSD 3.9.

## AUTHORS

The **pcfiic** driver was written by David Gwynne ⟨*dlg@openbsd.org*⟩.