AbioRTC
Real-time clock card
User Manual
March 2015
AbioRTC
Table of Contents
1
Features
3
2
Technical Specifications
3
3
Installation
AbioRTC
Use with Raspberry Pi model A and B
Use with Raspberry Pi model A+, B+ and 2
Use with Banana Pi
4
4
4
4
4
4
Software
Raspberry Pi
Banana Pi
5
5
5
5
Legal Information
Disclaimer
Trademarks
6
6
6
6
Contact Information
6
Revision History
Date
Authors
Description
2012-10-24 Peter S'heeren
Initial release.
2012-12-14 Peter S'heeren
Second release.
2013-01-28 Peter S'heeren
Updated for latest software (issued 2013-01-26).
Updated for i2c-dev support.
Third release.
2013-09-17 Peter S'heeren
Updated for latest software (issued 2013-09-17).
Fourth release.
2015-03-02 Peter S'heeren
Updated for use with various Raspberry Pi models.
Updated for use with Banana Pi.
Updated for use with AbioCard software (issued
2015-02-28).
Fifth release.
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User Manual
AbioRTC
1 Features
▪
Battery backed up real-time clock and
calendar with integrated temperature
compensated crystal oscillator and a
32.768 kHz quartz crystal.
▪
For use with Raspberry Pi model A, B,
A+, B+ and Raspberry Pi 2.
▪
For use with Banana Pi.
▪
Free software.
2 Technical Specifications
Dimensions
34 mm x 28 mm x 15 mm (W x D x H)
Weight
8 g (without battery)
RTC backup power
10 years
User Manual
3
AbioRTC
3 Installation
AbioRTC
First of all, place a CR2032 battery in the battery holder of the AbioRTC.
Use with Raspberry Pi model A and B
The AbioRTC has a 2x13 pin female header that
fits perfectly on your Raspberry Pi computer.
Be sure you connect the AbioRTC in such a way
it floats above the computer as shown in the
picture to the right.
You've to prevent the AbioRTC's lithium battery
from touching components on the computer
PCB.
Use with Raspberry Pi model A+, B+ and 2
The AbioRTC fits on Raspberry Pi model A+,
Raspberry Pi model B+, and Raspberry Pi model
2.
The 40-pin header on these computers is an
extension of the 26-pin header that's found on
model A and model B. Be sure the AbioRTC is
mounted as shown in the picture to the right.
You've to prevent the AbioRTC's lithium battery
from touching components on the computer
PCB.
Use with Banana Pi
The AbioRTC has a 2x13 pin female header that
fits perfectly on your Banana Pi computer.
Be sure you connect the AbioRTC in such a way
it floats above the computer as shown in the
picture to the right.
You've to prevent the AbioRTC's lithium battery
from touching components on the computer
PCB.
4
User Manual
AbioRTC
4 Software
Raspberry Pi
The AbioRTC relies on the AbioCard software package for supporting the real-time clock
on Raspberry Pi.
Execute the script called install_abiortc_rpi.sh to install program abiocardtime. The
script will add abiocardtime to the root's cron table in order to update the system time
during boot-up and once a day.
You can use program abiocardgui for accessing the AbioRTC.
Banana Pi
You can use the AbioCard software package to deploy your AbioRTC on Banana Pi.
Program abiocardtime can be used to access the AbioRTC. You'll have to determine the
device path of the i2c-dev interface on the GPIO header. The device path may be
/dev/i2c-2 for example.
You can modify installation script install_abiortc_rpi.sh for your Banana Pi. Simply add
command line parameter -dev /dev/i2c-<n> to each invocation of abiocardtime.
<n> denotes the I2C bus that connects to the AbioRTC.
You can use program abiocardgui for accessing the AbioRTC.
User Manual
5
AbioRTC
5 Legal Information
Disclaimer
Axiris products are not designed, authorized or warranted to be suitable for use in space,
nautical, space, military, medical, life-critical or safety-critical devices or equipment.
Axiris products are not designed, authorized or warranted to be suitable for use in
applications where failure or malfunction of an Axiris product can result in personal
injury, death, property damage or environmental damage.
Axiris accepts no liability for inclusion or use of Axiris products in such applications and
such inclusion or use is at the customer's own risk. Should the customer use Axiris
products for such application, the customer shall indemnify and hold Axiris harmless
against all claims and damages.
Trademarks
“Raspberry Pi” is a trademark of the Raspberry Pi Foundation.
All product names, brands, and trademarks mentioned in this document are the property
of their respective owners.
6 Contact Information
Official website: http://www.axiris.eu/
6
User Manual