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kl25z spi 9 bits to transmit

Question asked by raphael perun on Oct 27, 2016
Latest reply on Oct 28, 2016 by Kerry Zhou

Hi everyone,


I'm using the FRDM-KL25Z and want to communicate with HMC6300 transmitter.

Here is the time diagram I should produce to have a communication with the component:

Time diagram for a read

As you can see, I need to send 18 bits using MOSI pin to communicate with the component. 18 is not a multiple of 8 so I don't know what to do with the component to send twice 9 bits or thrice 6 bits.


Is there a way to produce such time diagram with the KL25Z?


Thank you,