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MSP430F5529: MSP430F5529

Part Number: MSP430F5529
Other Parts Discussed in Thread: ENERGIA

I am using energia's serial moniter . It was working before , once i connected a 3.3 volt external power supply using regulater it worded for a while, 

After that the serial moniter started showing reversed question mark characters.

and when using the delay (1000) ;

the microcontroller waits for 4 second instead of 1 second.

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