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MSP432P4111: Problems to flash a custom MSP432 board with LaunchPad (XDS-110) debugger

Otavio Augusto Gomes
Intellectual 940 points

Part Number: MSP432P4111

Hi,

I have used a XDS110 from my MSP432 LaunchPad to flash a custom MSP432 board. I connected the JTAG/SWD lines (through 10-pin connector) and tried to flash the custom board, but by mistake, I forgot to provide the 3.3V power to the custom board. Now I'm not able to flash it again and the CCS is showing the following message:

I tried to do the Factory Reset procedure, changed the SWD mode to JTAG mode, lowered the clock speed, but nothing worked. I measured the voltage across the four power pins of the MCU and all are reading 3.295 V. The Vcore is around 1.2V, which seems OK according with device datasheet. I can confirm the debugger of LaunchPad is working perfectly, because I've used it to flash the MCU shipped with the LaunchPad. My custom board is bricked? Any suggestion?

Thanks

Otavio

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