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MCT8329EVM: BLDC Sensor less Trapezoidal Control

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Part Number: MCT8329EVM

Tool/software:

Hi,

Is there anyone who have seen the motor variables like Speed reference in PU, Set Duty Cycle through the DAC by mentioning the address in DACOUT_VAR_ADDR 12-Bit register(30-19). I have mentioned the address in GUI which is shown in the datasheet 7.8.5 Algorithm Variables Registers but I am unable to see the output in oscilloscope. I just want to tune the PI controller by observing the speed waveform ( to analyze the machine dynamics). What I found the address mentioned in the datasheet is quite different from address mentioned by default in GUI. Ex: Set Duty Cycle Address: 0x522(Datasheet), Set Duty Cycle Address: 0x4E8(GUI). And also I have changed the each and every available bit in PIN_CONFIG1 Register.

Best Regards,

Anurag.


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