---
name: "iicbb"
section: "4"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/iicbb"
---

# iicbb(4)

I2C generic bit-banging driver

## NAME

**iicbb** – I2C generic bit-banging driver

## SYNOPSIS

**device iicbb**

**device lpbb**

For one or more iicbus busses: **device iicbus**

## DESCRIPTION

The *iicbb* driver provides support to any bit-banging interface for the [iicbus(4)](/iicbus/4.md) system.

## SEE ALSO

[iicbus(4)](/iicbus/4.md), [lpbb(4)](/lpbb/4.md), [ppbus(4)](/ppbus/4.md)

## HISTORY

The **iicbb** manual page first appeared in FreeBSD 3.0.

## AUTHORS

This manual page was written by Nicolas Souchu.