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At Finally, the second part of this manual we are going to configure software to change MUX configuration properly.
You should revise the Mux configuration at [http://www.ti.com/lit/gpn/am3354 AM335x datasheet] .
→AM335x peripherals
*'''Dedicated lines''': These lines were designed to work with a specific functionality. Change its functionality its not possible or recommended.
*'''Optional lines''': These lines were designed to work with different functionalities. Select a functionality is controlled by AM335x MUX. Mux options are vast, at the beginning can be difficult and tedious change some configurations. Before configure mux, use the following tips to avoid problems:
**Mux can connect multiple connectors at the same peripheral, this improper use can damage the processor. Before configure mux, revise that this peripheral is not used in other padsin your design. See schematics or [[Connectors Summary|connectors summary]] for more informationRead each peripheral chapter to implement your desing and use the resources available above to revise your implementation. **Some peripherals are only available if you place or replace some resistancesinto IGEP COM AQUILA. See schematics for [{{#lst:Template:Links|IGEP_COM_AQUILA_ISEE_Hardware}} IGEP COM AQUILA Hardware Reference Manual] to get more information.<br> **Some connectors pads share multiples internal peripherals like OMAP, WIFI/BT combo, etc. You should disable unused peripherals to avoid interferences. For example: if you want to control WIFI module via J990 disable OMAP or if you want use [[How to set up UART2 in J990|UART2 at j990]] disable Bluetooth. See schematics, [[Connectors Summary{{#lst:Template:Links|connectors summaryIGEP_COM_AQUILA_ISEE_Hardware}} IGEP COM AQUILA Hardware Reference Manual]] or [[Mux_instructions#Disable_Peripherals|how-to disable peripherals]] for get more information.
== Ethernet ==
=== Dedicated Ethernet ===
