OTG: FLAGA/CTL4 GPIO[21]

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JoMa_292246
Level 2
Level 2
10 replies posted 5 replies posted First question asked
        Hello, We are starting a new project which requires OTG. Looking at the DVK I see that the USB power switch for the OTG support is controlled by a signal named “CTL4_LT”, which through jumpers I assume is controlled by “CTL4_SW”. My confusion is that in the synchronous Slave FIFO interface, CTL4 is the FLAGA pin: Designing with the EZ-USB FX Slave FIFO Interface: i. FLAGA: Full flag dedicated to thread0 As a host controller we need to turn on the OTG VBUS, but as a client we use the slave FIFO interface which uses FLAGA. So I’m confused on how to implement the OTG support on the FX3. Thank you for your help. Motz   
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Anonymous
Not applicable

Hi,

   

You can route that FLAG A to any other control line which is free.

   

You can do that using GPIF II designer tool.

   

Please let me know if you need any help in changing that.

   

Thanks,

   

sai krishna.

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