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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!wupost!cs.utexas.edu!rutgers!sgigate!odin!fido!zola!zuni!anchor!olson
- From: olson@anchor.esd.sgi.com (Dave Olson)
- Newsgroups: comp.sys.sgi
- Subject: Re: External sync on serial ports
- Keywords: external sync
- Message-ID: <plbtk4c@zuni.esd.sgi.com>
- Date: 10 Sep 92 00:37:59 GMT
- References: <18ir41INNedj@darkstar.UCSC.EDU> <pjp3rf4@rhyolite.wpd.sgi.com> <18lv3jINN96v@darkstar.UCSC.EDU>
- Sender: news@zuni.esd.sgi.com (Net News)
- Organization: Silicon Graphics, Inc. Mountain View, CA
- Lines: 22
-
- In <18lv3jINN96v@darkstar.UCSC.EDU> aaronf@cse.ucsc.edu (Aaron T. Ferrucci) writes:
-
- | ]] I am interested in generating the odd-ball baud rate of
- | ]] 31.25 kHz for interfacing a 4d60 to MIDI devices. There's some
- | ]] suggestion that it might be possible to use an external clock, for
- | ]] example in the man page for stty. Is this actually possible? Thanks
- | ]] to any and all who supply clues.
-
- | Well, if it's impossible to generate 31.25 kbaud, what about a baud
- | rate converter? I have in mind a simple circuit I could design which
- | would convert incoming MIDI data to 38.4 kbaud, and convert MIDI data
- | coming out of the computer to 31.25 kbaud. The circuit would
- | consist of 3 chips and a few analog components. It could be used with
- | any computer which can run a serial port at 38.4 kbaud with hardware
- | flowcontrol.
-
- I believe you can already buy MIDI to serial converter products
- for PC's, so you shouldn't need to design your own.
- --
- Let no one tell me that silence gives consent, | Dave Olson
- because whoever is silent dissents. | Silicon Graphics, Inc.
- Maria Isabel Barreno | olson@sgi.com
-