Re: FIFO interface to PCI

[Ben Yurick <byurick@keithley.com>]

"Faust, Barry" wrote:
> 
> Hello all,
> 
> I would like to thank everyone who responded to my question. It sounds like
> I should use a bus master chip, because the PC's processor will be very busy
> processing the images. One additional question I had was whether to map the
> FIFOs into memory space or I/O space. The FIFO data path is only a byte
> wide. My inclination is to memory-map the FIFO accesses, then designate that
> area as non-prefetchable.
> 
> ---Barry

I don't think it really matters that your FIFO data path is only a byte wide. Use
memory space. You'll likely avoid potential resource issues in the future.