MSP432E401Y: MSP432E401Y Flash locked via Uniflash, cannot unlock it?

Perry Ferren

Part Number: MSP432E401Y
Other Parts Discussed in Thread: UNIFLASH,

Hello

I was using Uniflash Version 7.0.0.3615 to program the MSP432E401Y on a target CCA. I believe I have locked the device via the "Settings & Utilities" "Lock Device" option. I was previously able to program the device both via Uniflash and the CCS application. It looks like I now do not have the ability to program the device with Uniflash and CCS. I am unable to find information on unlocking the device.

Please advise.

Thank You in Advance.

Perry

over 2 years ago

0 Charles Tsai over 2 years ago

TI__Guru**** 191886 points

Hi,

You can use dbgjtag.exe to unlock the device. Please see below.

0 Perry Ferren over 2 years ago in reply to Charles Tsai

Prodigy 140 points

Hi Charles

Thanks for the information, question, when the procedure refers to "reset" I assume this is the RST signal, pin 70 on the MSP432? Can you clarify is this the case?

The target board has the RST pin under FPGA control, accessing this signal will not be as easy as it would be if one was using the launchpad where the RST is available via an external switch. On board power on the FPGA initializes the RST.

Please confirm it is the processors RST signal on the processor being referred to.

Thanks Again.

Perry

0 Charles Tsai over 2 years ago in reply to Perry Ferren

TI__Guru**** 191886 points

Hi Perry,

Yes, the RST refers to the pin70. The dbgjtag.exe command is implementing the unlock procedure as described in the below section of the TRM. Please refer to the TRM for detail.

0 Perry Ferren over 2 years ago in reply to Charles Tsai

Prodigy 140 points

Hi Charles, thanks again, we are up and running, and thanks for the continuous support and quick responses, appreciated.

Kind Regards

Perry

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MSP432E401Y: MSP432E401Y Flash locked via Uniflash, cannot unlock it?