MSP430F6638: USB2.0 PROBLEM

gopal electronics electronics

Part Number: MSP430F6638

Tool/software:

Hello every one

we use msp430f6638 ic in our device or USB2.0 AS A CDC Communication.

but in some time because of unwanted EMI this cdc com refresh in device manager again and again.

and because of this our software hang and disturb all function.

please provide appropriate solution for emi protection in my msp430f6638 ic and how to remove this problem

0 Gary Gao over 1 year ago

gopal electronics electronics said:
unwanted EMI

Could you help to provide more details about this?

gopal electronics electronics said:
refresh in device manager again and again

Could you help to check if the device be reset again and again to cause this issue?

0 gopal electronics electronics over 1 year ago in reply to Gary Gao

device left the communication.

0 Gary Gao over 1 year ago in reply to gopal electronics electronics

Sorry, could you please provide more details about the question I asked above? That can help us to where to debug your issue.

0 gopal electronics electronics over 1 year ago in reply to Gary Gao

we use this ic make device in high voltage line or so many drive / vfd around this so usb disconnect when high voltage spike in voltage line

0 Gary Gao over 1 year ago in reply to gopal electronics electronics

gopal electronics electronics said:
high voltage line

What's the voltage it is? Will it exceed the our max voltage limitation below(especially the second one I marked)

**Attention** This is a public forum

MSP low-power microcontroller forum