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Spi multiple slave using daisy chain

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riz098

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hello,
I am little bit confused in the concept of spi daisy chain connection.As per my knowledge to connect multiple slave we need to provide precise clock..If there is 5 slave device how i write data to the 5th slave?? After giving enough clock pulses making slave select line high will write the data to the slave device??why should i make slave select high in case of multiple slave??if there is only single slave no need to make that line high.....In both cases shift operation takes place..what is actually happening here..please give me an answer :oops:
 
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