RTC Cape

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Revision as of 08:21, 4 June 2014 by Hieuduong (talk | contribs) (update production photo)
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RTC Cape

The RTC Cape provides time tracking capability for the BeagleBone Black even when the power is lost. This cape features the DS1338 I2C-based real-time clock/calendar and a holder for a coin battery type CR2032. Setup, reading, and setting up time is easy with the provided device tree overlay.

Revision Changes

Revision A1

Initial release of RTC Cape.

Software Support & Compatibility

  • All revisions are compatible with BeagleBone and BeagleBone Black using 3.8 kernel.
  • Latest software for BeagleBone Black can be downloaded here.

Helpful Links


Followings are some specifications of the RTC Cape:

Mechanical Specifications

Size 2.15" x 2.825"
Layers 2
PCB Thickness .062"
RoHS Compliant Yes

Signal Usage

RTC Cape
Power VDD_3V3EXP
Squarewave Output Pin GPIO1_29


Please visit Where To Buy for a list of distributors who carry BeagleBoardToys' capes.

Product Images


RTC Cape Revision A1

Design files will be posted when the boards are shipped.