Re: ethernet chips
- From: nico@xxxxxxxxxxx (Nico Coesel)
- Date: Sat, 30 Jun 2007 08:29:13 GMT
John Larkin <jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
We're looking for an ethernet interface chip that will do the PHY
through TCP/IP stuff, and talk to our embedded application uP. The
Lantronix Xport is kind of slow, since it uses a serial interface at
240 kbaud max.
The Rabbit stuff is huge (plus needs a separate PHY chip) and
expensive.
This is interesting... apparently the chip that's used inside the
Xport. We could reprogram it to allow our uP to directly address the
transmit and receive buffers:
http://www.gridconnect.com/gc-ex-184b.html
So, do you guys know of any other small, integrated ethernet+CPU chips
that can run the tcp/ip stacks and do a fairly high-speed interface to
another uP?
What is fairly high speed? There is a broad range of ARM chips
available with integrated ethernet + PHY (NXP has several choices).
And why not handle the TCP/IP stack inside the main processor? The uIP
TCP/IP stack (http://www.sics.se/~adam/uip/) is very compact, complete
and fast.
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