Hi,
Will MSP430F6779 family operate under 15 to 60 Hz frequency? Because we place it in-between VFD and load.
So, Kindly explain it for different operating frequencies.
Thanks in advance
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Hi,
Will MSP430F6779 family operate under 15 to 60 Hz frequency? Because we place it in-between VFD and load.
So, Kindly explain it for different operating frequencies.
Thanks in advance
Hi Dhanabal,
The answer is no. You can find the MCLK source as below:
The DCO frequency is min 0.07MHz, find the table of DCO Frequency in page68 of the device datasheet.
The DCODIV frequency is divided by the DCO clock and also can't reach as slow as 60Hz
The LFXT will set fault flag below 1000Hz, find the fFault,LF in table Crystal Oscillator, XT1, Low-Frequency Mode in page67 of the device datasheet.
The VLO frequency is min 6kHz, find the table of Internal Very-Low-Power Low-Frequency Oscillator (VLO) in page68 of the device datasheet.
The REFO frequency is 32768Hz, find the table of Internal Reference, Low-Frequency Oscillator (REFO) in page68 of the device datasheet.
Hi Wei,
Thanks for your reply.
If any other microcontroller will measure 15 to 60 Hz line frequency for energy meter application, kindly give suggestion.
Hi Wei,
I mentioned frequency of measured line only and not a system clock. Sorry for the inconvenience.
Because we measure the energy after the Variable Frequency Drive(VFD) and line frequency will be change in-between 15 to 60 Hz.
So MSP430f6779 family, will accurately measure the energy readings in 15 to 60Hz line frequency?
Kindly explain it.
Thanks in advance.
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