Re: TI-H: special component


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Re: TI-H: special component




There are ISA 100mbps ethernet cards...  The bus speed has nothinng to do
with the net.  The controller chip handles all of the stuff...

>Seeing as the PIC only operates at 10 Mhz and the network operates at 100
>Mhz and because of the nature of the PIC's I/O ports, it would take 10
>times it's CPU power to handle the 100 BaseT network... :> (and that's
>using it's entire CPU only to read the port. In intel machines it's
>different because you've got a fairly wide bus (all 100 baset cards i know
>are PCI) so you've got at least 32 bits, and most PCI bus machines allow 64
>(however, the spec says it only requies 32...but whatever :)
>
>
>-- Jon Olson
>
>
>----------
>> From: Robert Brack <robert@brack.com>
>> To: TI-86 Hardware List <ti-hardware@lists.ticalc.org>
>> Subject: TI-H: special component
>> Date: Wednesday, June 17, 1998 11:22 PM
>>
>>
>> Hey, does anyone know a CHEAP way (chips or such) to have lots of inputs,
>> and lots of output, and route any input to any output?  Not like wires, I
>> want a computer to control it.  It will invole hundreds upon hundreds of
>> wires.  BTW, I also need it to do 100B-T network.  Is this possible?
>Just
>> like a chip that can do it would be great.  Can a PIC do that?  With
>> in-circuit programming?  Thanx a bunch, this is for a project for the
>place
>> I work for.
>>
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> __        _     __
>> |__)     |  |    |__)
>> |    \      |_|    |__)
>>
>> robert@brack.com
>> reb@netride.com
>> www.brack.org


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