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SPI clock rate for the 6470/2

Question asked by scott pelger on Feb 20, 2018

The data sheet for the 6470 (and 6472) is not clear regarding the SPI clock rate. what is your take on this? the reason why i ask is that a clock rate was selected, boards were built and deployed. all was well. new revision to the board by adding another motor and one of the preexisting motors experiences a random bridge b stall. by changing the SPI clock rate this problem went away.


i already have a help ticket out to ST and they are unable to answer this fundamental question about their own product which is why i am reaching out to other users.