Hi all, also see the freescale MC9S12NE64, MAC+PHY, 100mbit.  64K of 
flash, which is a hinderance but not showstopper in my application.  Not 
sure of RAM, 8K?  Not much.  I've done two projects with them.  Cheap, 
like $8 in qty 100.

just a FYI.

<http://www.celestialaudio.com/MC9S12NE64/index.html>

Dave Tweed wrote:
> William "Chops" Westfield wrote:
>> Oh my; there are new PIC32s with ethernet and up to 128k of RAM (+512k  
>> of flash.)
>> THAT moves PIC32 into an interesting position, I think...  (Hmm.   
>> Largest NXP ARM chip with ethernet has "98k" of RAM, which is closer  
>> than I thought...)
>>
>> Too bad they need an external Phy.  Those tend to be big, and power  
>> hungry, and not very cheap.  But I guess that's what everyone is doing.
> 
> WIZnet W7100 has integrated 10/100 PHY, 32KB dedicated buffer RAM plus 64KB
> XDATA RAM (it's an 8051 clone, with a separate core dedicated to TCP/IP).
> 
> PIC18F6xJ6x has integrated 10basteT PHY, but very limited RAM (8KB buffer
> plus 3.5KB general-purpose).
> 
> I think the problem is that you can use the chip area for either a 100 Mbit
> PHY, or for lots of RAM, but not both. The W7100 seems to be a decent
> compromise, but it's rather limited in terms of other kinds of on-chip I/O
> (one UART and a couple of timers).
> 
> -- Dzve Tweed
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