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MSP430FR5959: MSP430FR5959

Part Number: MSP430FR5959

Dear sir,

We are using MSP430FR5959 for our prroject. Our instrument is multichannel analyzer with one master and
4 slave unit(data logger). All board uses MSP430 chip.

We are using code composer studio( Version: 8.1.0.00011 ) for our softare development and programming.


During course of our development cycle we observed follwing problems in hardware.
1) After completing of software , we kept 5 instruments under observation for coninuous 8 hours a day.
We observed that after about ten days our instrument it fail to work after power on. We doubted Master MCU
board. We tested it.
We found supply voltage 3.3 to MCU Vcc pin-4/ DGND(pin 33) were o.k.(3.3 VDC). We suspect MCU chip
failure. We reprogrammed the MSP chip and our instrument started working. The reason for failure was
not known.
This failure can again occur. So please guide us.
During development cycle this problem has occured many times but we were suspecting software bug.
But we also obsevre that out of 5 instrument only 2 are giving this problem. Other 3 are working non stop.

regards,

anushka parab

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