IBM RT Mouse Was: IBM RT-PC available
cclist at sydex.com
Tue Dec 15 13:56:01 CST 2009
On 15 Dec 2009 at 17:34, Alexandre Souza - Listas wrote:
> > The IBM RT mouse I have (Part No. OOF2383) is definitly a protocol
> > mouse, as it has a HD63A01XOF processor for two encoders and two
> > buttons (http://electrickery.xs4all.nl/tmp/rt_mouse.JPG). I can
> > check out the wiring and protocol (if not propietary) later.
> Interesting how BIG is the processor used! :oO I'm amazed!
For the time period, perhaps not so big. It's basically a 6800 with
embedded peripherals (timer, UART, etc.) Not much different from
today's low-end uC (PIC, 8051, AVR, etc.) I suspect that a fair
number of those pins are NC in this application.
If you want big, consider the same uC in its DIP incarnation--a 64
pin (0.050 spacing) DIP. I've got one somewhere.
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