Hello,
Currently I am using F28377S Sigma-Delta to sampling the current for motor control. I use PWM11 to synchronize reset the Filter periodic.
Configuration is as following:
Comparator Module: SINC3, OSR_32
Sinc Filter Module: SINC3, OSR_128
PWM11 Frequency: 100MHz
Sigma-Delta from PWM5: 20MHz
1.How long the SDFM data will be ready after FILRES? How to calculate?
2.The following formula is from the F2837xS TRM to calculate the Latency of Sinc Filter, what's the mean of Order of Sinc filter? What's the value in my configuration?
Thanks in advance.
Best Regards.