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AM1808 USB data transfer problem

Guru 15520 points
Other Parts Discussed in Thread: AM1808

Hi,

I'm having data transfer problem with AM1808 USB.
The problem occurs when I use USB in FS mode.

I want to transfer 64Byte packet after each USB empty interrupt,
but it transfers 128Byte.
By the way when we use single buffer the problem won't occur,
but it occurs when using double buffer.

Have anyone ever had same problem?
And if somebody know the method to solve the problem, please let me know.