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czhou1972 opened this issue · 3 comments
Hi,
I might have done something wrong. The (Windows) PC gives dp/dn at 1.5M rate which is slow speed. The 1.5K resister is connected between dp+ and dp_pll. Any suggestion? Thank you
Hi,
How do you know that the windows PC enters 1.5M (low-speed)? By viewing any USB softwares?
My IP do not support 1.5M low-speed, but only support 12M full-speed.
So is the USB device successfully recongnized?
Could you show your circuit connection?
Thanks for your reply. I just identified the cause for entering into low speed mode: the dp_pull was wrongly connected with dn, instead of dp.
Much appreciated for what you have done. Amazing work. Thank you.
Ok, that's fine.
feel free to ask me if you meet more questions.
If you like my repo, please star it.