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One major thing to note is the power supply voltage level. This is so because DCOCLK is dependent on
VDD level. For low VDD voltages, high frequency oscillation generation is not possible. We have to
remember that MSP430s are energy efficient devices and so there is always a trade-off between
operating frequency and operating power consumption.
Another odd but important thing you may notice is the fact that the VDD value in MSP430 Launchpads
is 3.6V instead of the more commonly used 3.3V. This is the maximum recommended VDD value
although MSP430s can tolerate voltages up to 4.0V.
Oscillators may show deviations in frequency due to changes in ambient temperature conditions. This
in turn may affect communication and timing-related tasks.
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