Re: New project...PCI based servo control board

[Jon Elson <elson-at-pico-systems.com>]

jekasunich-at-worldnet.att.net wrote:

>Craig wrote:
>
>  
>
>>>>One closing thought on board #2, I'd like to consider a SIMPLE bus
>>>>expander be included on it
>>>>        
>>>>
>
>  
>
>>>Excellent idea!  Why waste FPGA gates on simple input and output
>>>ports. Let the FPGA implement an expandable bus.
>>>
Ah HA!  I KNEW it!  You'd eventually reinvent what I already have been 
doing.
Except, the PC ALREADY has an expandable, bidirectional, 8-bit data bus!
The EPP Parallel Port!  its fast, very low CPU load (1 cpu instruction/byte
transferred) the protocol is totally managed in hardware, etc.

Jon