On Fri, Mar 22, 2013 at 8:09 AM, Rajeshwari Shinde
wrote:
> Accessing SPI registers is slow, but access to the FIFO level register
> in particular seems to be extraordinarily expensive (I measure up to
> 600ns). Perhaps it is required to synchronise with the SPI byte output
> logic which might run
Accessing SPI registers is slow, but access to the FIFO level register
in particular seems to be extraordinarily expensive (I measure up to
600ns). Perhaps it is required to synchronise with the SPI byte output
logic which might run at 1/8th of the 40MHz SPI speed (just a guess).
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