CircuitCo:RTC Cape

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Descriptions

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



Specifications

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
I2C I2C1_SCL
I2C1_SDA
Squarewave Output Pin GPIO1_29



Distributors

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



Product Images



Documentations

RTC Cape Revision A1

Design files will be posted when the boards are shipped.