Reference

clock(4)

real-time clock

NAME

clock, rtc – real-time clock

SYNOPSIS

clock* at sbus? clock* at ebus? clock0 at fhc0 rtc* at ebus?

DESCRIPTION

The clock device provides support for the real-time clocks based on the following chips:

  • Mostek MK48T02

  • Mostek MK48T08

  • Mostek MK48T18

  • Mostek MK48T59

The rtc device provides support for the real-time clock based on the following chips:

  • Dallas/Maxim Semiconductor DS1287

  • Acer Labs M5819

  • Acer Labs M5823

  • Texas Instruments BQ4802

SEE ALSO

ebus(4), fhc(4), intro(4), sbus(4)