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LMT70EVM: LMT70EVM doesn't respond when connected to PC

Part Number: LMT70EVM

Hello,

I have used the LMT70EVM before on my system and faced no issues two yers back. But when I tried testing the evaluation kit now, it doesn;t respond and I could see that the LEDs D1 and D2 are also not responding while connecting the board to my PC. I verified the following:

(1) Checked the Driver file path

(2) Verified the COM port number

(3) Verified the power on the board

(4) Scanned for latest driver for the COM port

I followed the instructions in the LMT70EVM Quick reference guide. Checks listed above looks good except that I couldn't access the Board from system using LMT70EVM desktop app and couldn't find the device on MSP430 USB firmware upgrade tool.

I have included screenshots of the issue below for further clarity. It seems like the Mixed-Signal Microcontroller (Part U3 on the Board) doesn't respond.

Please review and advise me regarding this concern.

Best Regards,

Nandhini Jayapandian

LMT70EVM_03112021.docx