Difference between revisions of "RTC Cape"
m (Wmat moved page RTC Cape to CircuitCo:RTC Cape) |
(update info with new chip) |
||
| Line 1: | Line 1: | ||
==Descriptions== | ==Descriptions== | ||
[[File:RTCCape650.jpg|border|right|link=|300px|RTC Cape]] | [[File:RTCCape650.jpg|border|right|link=|300px|RTC Cape]] | ||
| − | The RTC Cape provides time tracking capability for the BeagleBone Black even when the power is lost. This cape features the | + | 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. |
| Line 27: | Line 27: | ||
==Software Support & Compatibility== | ==Software Support & Compatibility== | ||
* All revisions are compatible with BeagleBone and BeagleBone Black using 3.8 kernel. | * All revisions are compatible with BeagleBone and BeagleBone Black using 3.8 kernel. | ||
| − | * Device tree files: [http://elinux.org/images/e/e3/BBB-RTC-01-00A1.tar.gz BBB-RTC-01-00A1.tar.gz] | + | <!--* Device tree files: [http://elinux.org/images/e/e3/BBB-RTC-01-00A1.tar.gz BBB-RTC-01-00A1.tar.gz]--> |
| − | |||
| − | |||
* Latest software for BeagleBone Black can be downloaded [http://elinux.org/Beagleboard:Updating_The_Software here]. | * Latest software for BeagleBone Black can be downloaded [http://elinux.org/Beagleboard:Updating_The_Software here]. | ||
| Line 35: | Line 33: | ||
| + | <!-- | ||
==Getting Started== | ==Getting Started== | ||
The instructions below are performed on Angstrom release 2013.09.04 (Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l GNU/Linux). | The instructions below are performed on Angstrom release 2013.09.04 (Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l GNU/Linux). | ||
| Line 94: | Line 93: | ||
</blockquote> | </blockquote> | ||
</code> | </code> | ||
| − | + | --> | |
==Helpful Links== | ==Helpful Links== | ||
| − | * [http:// | + | * [http://datasheets.maximintegrated.com/en/ds/DS1338-DS1338Z.pdf DS1338 Datasheet] |
* [http://elinux.org/Capemgr Capemgr wiki] | * [http://elinux.org/Capemgr Capemgr wiki] | ||
* [http://www.devicetree.org/Device_Tree_Usage Device Tree Usage] | * [http://www.devicetree.org/Device_Tree_Usage Device Tree Usage] | ||
| − | + | ||
| Line 139: | Line 138: | ||
|I2C1_SDA | |I2C1_SDA | ||
|- | |- | ||
| − | | | + | |Squarewave Output Pin |
|GPIO1_29 | |GPIO1_29 | ||
|} | |} | ||
| Line 162: | Line 161: | ||
==Documentations== | ==Documentations== | ||
====RTC Cape Revision A1==== | ====RTC Cape Revision A1==== | ||
| − | + | Design files will be posted when the boards are shipped. | |
Revision as of 12:10, 7 April 2014
Contents
Descriptions
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
| 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
RTC Cape
Documentations
RTC Cape Revision A1
Design files will be posted when the boards are shipped.
