Address Table; Resources And Going Further - sparkfun BeagleBone Black Proto Cape Hook-Up Manual

The Cape EEPROM is great for storing pin configuration data. The cape
EEPROM is read by the BeagleBone Black during boot. It can then
automatically setup the pins for use. There are several steps to understand
how the EEPROM is used. For now, we will show you the possible settings
available. The cape comes with a blank EEPROM.
The default address for the EEPROM is 0x57. You can change it to
addresses 0x54 - 0x57 with the selection of the two address jumpers. They
are Labled A0 and A1. Changing the address of the Cape is important
when you are using multiple capes.
A2 A1 A0 7-bit address
Once you have created your next great thing you can register your settings
with the BeagleBone foundation. This registration allows them to upload
your settings to the latest operating system available. This removes the
need for users to setup their board to use your cape.

Resources and Going Further

Now, go forth and build something awesome! Here are some additional
links to get you started using the BeagleBone Black.
Further reading:
• BeagleBone Black Homepage
• Bone Script Library Support
If you have any problems or questions, our technical support department
can help. Please don't hesitate to contact us. We also love to hear about
your projects!
https://learn.sparkfun.com/tutorials/beaglebone-black-proto-cape-hookup-guide?_ga=1.3...

Address Table

1 0 0 0x54
1 0 1 0x55
1 1 0 0x56
1 1 1 0x57
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11/16/2015