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MSP430 output signal problem.

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ltg

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Hi,

I use MSP430F1121 in my project. I send out 24-bit pulses in port2 pin1, when finishing with sending 24-bit pulses, I generate a strobe signal:
P2OUT |=0x04;
P2OUT &= ~0x04;
I use oscolloscope to check the signals, but the strobe signal comes irregulare, some times it comes some time it not. I can't figure out why this happens. Is there some initilization I forget? Please give me tips.

Thanks in advance.
Best Regards,
ltg
 

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