Xref: utzoo sci.electronics:17896 comp.sys.mac.hardware:8746 comp.sys.mac.programmer:21901
Path: utzoo!attcan!telly!problem!compus!lethe!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!decwrl!pa.dec.com!decuac!haven!umbc3!brian
From: brian@umbc3.UMBC.EDU (Brian Cuthie)
Newsgroups: sci.electronics,comp.sys.mac.hardware,comp.sys.mac.programmer
Subject: Re: Programming the 5380 (Mac) serial port for microcontroller ports
Message-ID: <5064@umbc3.UMBC.EDU>
Date: 19 Feb 91 02:29:47 GMT
References: <1991Feb16.180423.13035@nntp-server.caltech.edu>
Organization: Univ. of Maryland Baltimore County, Academic Computing Services
Lines: 21

In article <1991Feb16.180423.13035@nntp-server.caltech.edu> palmer@nntp-server.caltech.edu (David Palmer) writes:
>Is it possible to program the serial port controller on the
>Macintosh (a Zilog 5380) to talk to the high-speed

The 8530 is the NCR SCSI chip

>'Serial Peripheral Interface' (SPI, a synchronous master/slave protocol)
>on a Motorola 6811?  Or to any other equivalent microcontroller
>serial port?  (Asynch. operations with start/stop synch etc. are
>too slow (125 kBaud max on the 6811))
>
...
>		David Palmer
>		palmer@gap.cco.caltech.edu


I know from recent calls to apple for similar information, and the fact that
I have an FX, that this is in all cases *strongly* discouraged, and in
some cases, impossible.  Other than that, it's up to you.

-brian


Brought to you by Super Global Mega Corp .com