[Coco] Fwd: IP packets on my coco

[Dave Philipsen]

What do you need the CPLD for?

Dave

On 6/9/2016 8:02 PM, RETRO Innovations wrote:
> On 6/9/2016 12:38 PM, Dave Philipsen wrote:
>> So why are we necessarily limiting our scope to the rtl8019 and 
>> cs8900a?  Just to throw out another option: has anyone looked at the 
>> CP2200 from Silicon Labs? 
>> http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2200.pdf
> I saw it, but:
>
>  * It requires 3v3.  Nothing bad about that, just need to add a
>    regulator and some caps.  Still, it's an add.  The easiest way to
>    handle it is via CPLD, but then the advantage of the Motorola bus
>    format is lost (the CPLD can easily generate the WR/RD signals.
>  * Seems to be feature parity with the other options.
>  * Lack of hobbyist code
>  * The other options are more available on the bulk secondary market
>
> It does offer a 8kB flash that can be used to store the MAC address, 
> so that's a plus.  It's a weak strength, compared to other things, but 
> I'm game to go forward with it.
>
>
> Jim
>
>
>