Navtel 9460 Protocol Analyzer info?

[Allison]

>Subject: Re: Navtel 9460 Protocol Analyzer info?
>   From: Scott Stevens <chenmel at earthlink.net>
>   Date: Wed, 13 Apr 2005 22:50:15 -0500
>
>> 
>> How about one Z8530?  :-)  [it's a DUART, for the Zilog-impaired]
>> 
>
>The 8530 is a useful part for dedicated purposes, but isn't it severely
>bandwidth cramped?  I am thinking that it's the serial chip in the

Nope, it's a 2mb/s part thats what the DMA is for.  Even the Z80 dart
a earlier part was good for more than 800kb/s.

>Sparcstations, correct me if I'm wrong.  A few years ago I was pondering
>making a 'dialup connecting system with NAT server' out of a
>SparcStation Classic (the little lunchbox type Sparc).  I discovered
>quickly that the serial ports on the Sparc are VERY speed constrained
>because of the 8530 chip.  It would have been impossible to connect my
>USB Courier V-everything modem to it at, say 57,600 baud, because the
>8530 just plain won't go that fast.

That was implmentation not the part.

Allison