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- Newsgroups: comp.dcom.modems
- Path: sparky!uunet!snorkelwacker.mit.edu!thunder.mcrcim.mcgill.edu!poly-vlsi!vmxa.polymtl.ca
- From: CT61 <CT61@polytec1.polymtl.ca>
- Subject: Re: 16550A UART VS BNU
- Message-ID: <20AUG92.20901820.0032@vmxa.polymtl.ca>
- Lines: 19
- Sender: usenet@polytec1.polymtl.ca
- Organization: Ecole Polytechnique de Montreal
- References: <Bt39ID.1z3@undergrad.math.waterloo.edu> <1992Aug20.153810.15758@qiclab.scn.rain.com>
- Date: Thu, 20 Aug 1992 23:21:12 GMT
-
- >
- >>By the way, what's the big diff. between a 450 and 550A?
- >
- >The only real difference is that the 16550A has a 16-byte buffer on
- >both the send and receive. The 16450 only keeps the *last* byte. So if you
- >don't fetch it before the next one comes in, it's gone...
- >
- ----------------------------------------------------------------------
- What's different if I use a BNU prog instead of this 16550A ???
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-