On Mon, 4 Apr 2016 14:54:37 -0700, you wrote:

>If you are using an SPI master, then what you say is correct, but if you are a 
>SPI slave, then some other device is controlling the clock, which means you 
>have to have data available before the clock starts. If there is no delay 
>between packets, then timing is critical.

Quite correct, so the designers of the slave interface reply with what
when the device is not ready?  My suspicion is that it's 0xFF.  I
think they have to deal with this gracefully.

Harvey


>
>Regards,
>John
>> 

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