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BF707 USB controller

Processors & DSP joe-walzer May 7, 2019 00:00 1 replies Original on forum ↗
Thread Summary

Thread Summary

The user encountered issues with isochronous endpoint transmission in peripheral mode on the BF707 USB controller. The problem was resolved by loading the TXMAXP register before each transmission. The support engineer acknowledged the solution and will update the Hardware Reference Manual to include this requirement.
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joe-walzer Question
May 7, 2019 00:00

Hi,

I use the BF707 USB controller in peripheral mode. For a few days, I was struggling to get an isochronous endpoint to send packets to the host, but to no avail. Finally I found out, that it is necessary to load the TXMAXP register each time before a transmission takes place. It would be helpful, if there is a short note about this requirement in the Hardware Reference Manual (description of the TXMAXP register).

Kind regards,

Joe

LalithaS Reply
May 22, 2019 00:00

Hi Joe,

Apologies for delay in response. While looking into your mail, it seems that you resolved the issue you were faced. Please correct us if our understanding is wrong.

If our understanding is correct, Thank you for sharing this and apologies for inconvenience, we shall take the required actions to add a note regarding this.

Regards,
Lalitha.S