6809 single board computer (was: "New" PDP-8)

From: John Honniball <coredump_at_gifford.co.uk>
Date: Mon Apr 1 13:26:47 2002

Gordon Zaft wrote:
> Pardon me if I missed the first part of this discussion. What is
> the CMU Free6809 board and where/how can I get one?

It's a 1993 design for a very simple 6809-based machine. It has a
serial
port (68B50), RAM (6264) and EPROM (2764). There's also an 8-bit latch
for
parallel output and I think you can set it up for a regular timer
interrupt. The posting that started off the discussion was from Tim
Lindner:

> I found a copy on an unofficial mirror of RTSI:
>
> ftp://mirror.cocounravelled.com/OS9/OS9_6X09/PROG/Free6809.lzh
>
> For thoes of you unable to decode an LZH file I will also post a zip
> file here:
>
> http://home.netcom.com/~tlindner/Download/Free6809.zip
>
> I also converted the included postscript file into a PDF.
>
> --
> tim lindner tlindner_at_ix.netcom.com

--
John Honniball
coredump_at_gifford.co.uk
Received on Mon Apr 01 2002 - 13:26:47 BST

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