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Is there an interoperability issue between SMSC3320 and TUSB2036?

Smokensparks
Intellectual 440 points
Other Parts Discussed in Thread: OMAP3530, TUSB2036

Hi,

My customer's USB design looks like this:

USB Path 1) OMAP3530 to SMSC3320 (Works-only FS is used; HSUSB errata does not seem a affect FS)

USB Path 2) SMSC3320 to TUSB2036

USB Path 3) TUSB2036 downstream ports to outside world

Path 1 was verified by connecting an external USB device directly to SMSC3320.  Path 3 was verified by connecting a single board computer's USB directly to the TUSB2036 upstream port.

Path 2 does not work.  Is there a know issue with SMSC3320 interfacing to TUSB2036?

Thanks,

Rick