cwraigidau

BeagleBone Mux Settings – Lookup Table

Download links are below for full A3 printable tables showing the details of the BeagleBone multiplexer settings.
To configure the BeagleBone multiplexer under Angstrom from the command line use

echo 6 > /sys/kernel/debug/omap_mux/gpmc_a2

Where

6 = Multiplexer Mode

gpmc_a2 = the Mode0 name of the pin you are trying to configure

Results in setting of Port 9 Pin 14 soe ehrpwm1A_mux1

Download links for Mux Lookup tables

BeagleBone-Port8-Mux-A3-Rev1.pdf

BeagleBone-Port9-Mux-A3-Rev1.pdf

BeagleBone-Port8-Mux-A3-Rev1.xlsx

BeagleBone-Port9-Mux-A3-Rev1.xlsx

Posted in Uncategorized1 Comment

One thought on “BeagleBone Mux Settings – Lookup Table”

  1. You also have to set the pin-mode bits in the value. For example, for an input with no pull-up, OR the mode value with 0x28. See table 9-1 in the TRM.

    Also, the debugfs “files” accept the “0x” prefix, if desired.

    Like

    Reply

Leave a Reply

Fill in your details below or click an icon to log in:

Gravatar
WordPress.com Logo

You are commenting using your WordPress.com account. ( Log Out /  Change )

Google photo

You are commenting using your Google account. ( Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. ( Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. ( Log Out /  Change )

Cancel

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.