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【asking for help】SPI slave sending wrong data to the master!!!!

Question asked by zijun.wan on Jun 9, 2015
Latest reply on Jun 10, 2015 by Clive One
Last time I posted here to see if somebody can help me to solve my problem.I used two stm32 chips to exchange one byte data using SPI.But the data receiving from the slave was two bit or one bit wrong,such as 11110000 would become 00111100.I checked my program,the polarity and edge configuration are correct.Can someone tell me what happen inside out? Is it a matter of Stm32 hardward or Is it my fault????I have been taken down by this problem for a week.