maxrtc(4)

maxrtc4

Maxim ds1307/ds1339 real-time clock

Usage

maxrtc* at iic?

Overview

The maxrtc driver supports the Maxim DS1307 and DS1339 real-time clock chips, which provide a low-power, full binary-coded decimal (BCD) clock/calendar. In addition, the DS1307 comes with 56 bytes of NV SRAM.

Releases

21 releases since OpenBSD 6.1; the text changed 2 times.

  1. 6.1–6.3
  2. 6.4–7.2
  3. 7.3–8.0

History

The maxrtc driver first appeared in OpenBSD 6.0.

Authors

The maxrtc driver was written by Marcus Glocker ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.