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MSP430F5528: USB suspend / resume /reset

Part Number: MSP430F5528

Hi all,

I am using MSP430F5528 to make application with connect with android tablet via USB module.

Unfortunately I meet an critical issue, it randomly disconnect with tablet. The issue didn't happen on all product.

When I check log USB interrupt on MCU before happen disconnection, it show:

USB_suspend -> USB_resume->USB_reset->USB_reset.

Disconnection happen only when have data transfer between tablet and my board .

When I connect the my board to PC (window 10 OS) USB event only : USB_suspend -> USB_resume->USB_suspend

Could you please give me some idea about this issue ?

Why USB enter suspend while transfer data ?

Thanks,

Huy Huynh

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