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STM32F10X : Is it possible to sent a 9 bits SPI frame ?

Question asked by Alexandre Boyadjian on May 22, 2017
Latest reply on May 22, 2017 by Clive One


I'm using a Nucleoboard with a STM32f103RB chip. I would like for a project to communicate with SPI protocol by sending frame of 9 bits. I've seen in the datasheet that I can configure the SPI datasize that way : 

SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;


SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;


But I would like to know if it's possible to use others size of frame (9,10,11.. bits).


Thank you for your help.