Subject: Re: silo overflows, was fifo overruns
To: [This is my bacque pas, this is my faux pas] <greywolf@starwolf.starwolf.com>
From: Bill Studenmund <skippy@macro.stanford.edu>
List: port-sparc
Date: 11/12/1997 09:17:44
On Tue, 11 Nov 1997, [This is my bacque pas, this is my faux pas] wrote:

> Ah, yes, but what kind of serial I/O did it have?  Certainly not the
> zs8530 which, while supporting two serial ports, only has a two-and-a-
> half byte Hardware FIFO for each port (two bytes of FIFO and a third
> to hold the one that's coming in).

Actually it's 3.5. It has a real 3-byte fifo, and it can keep a byte in
the shift register, from what I remember of the docs. So technically you
don't get an overrun until the fifth character starts. :-)

It's best to not push that limit. :-)

Take care,

Bill