https://devzone.nordicsemi.com/f/nordic-q-a/8908/spis-distinguish-datadear all： I use the spi slave mode. i have a question,pls help me.thanks.the questions as follow: I want to distinguish instruction type, and then reply to the corresponding data. Because the spis is easydma mode.I received all data that theen-USTelligent Community 13Thu, 08 Oct 2015 07:50:32 GMThttps://devzone.nordicsemi.com/thread/32780?ContentTypeID=1Thu, 08 Oct 2015 07:50:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96aeeda3-f15d-44d6-8919-9018fbf311c0Susheel Nuguru<p>It is possible that i misunderstood your question. this is something you need to handle in master , not slave. The master needs to send only one command and wait for the slave response.</p><div style="clear:both;"></div>