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Discussion Groups | FPGA-CPU | Re: Digest Number 191 (PS/2 mouse protocol)

This list is for discussion of the design and implementation of field-programmable gate array based processors and integrated systems. It is also for discussion and community support of the XSOC Project (see http://www.fpgacpu.org/xsoc).

Re: Digest Number 191 (PS/2 mouse protocol) - Aaron Ferrucci - Aug 18 20:42:00 2001



Rob,
The best source of information I know of about the PS/2 mouse interface
is at

http://www.synaptics.com/decaf/utilities/ACF126.pdf

Synaptics makes a PS/2-compatible touchpad, and has seen fit to
publish a document outlining the PS/2 protocol.

As for the PS/2 keyboard, I've found The Undocumented PC useful in the past,
e.g.
http://www.amazon.com/exec/obidos/ASIN/0201479508/qid=998184969/sr=1-1/ref=sc_b_1/104-6174498-0175151

Hope this helps.
Aaron Ferrucci

On 18 Aug 2001 wrote:

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> Topics in this digest:
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> 1. whereis PS2 mouse / keyboard interfacing info ?
> From: > ________________________________________________________________________
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> Message: 1
> Date: Sat, 18 Aug 2001 00:29:53 -0000
> From:

> Subject: whereis PS2 mouse / keyboard interfacing info ?
>
> Do any of you gurus know where I could find PS2 mouse and keyboard
> interfacing information (hardware & software) ?
>
> I think I have a working keyboard interface, is the mouse the same ?
>
> (I hardwired keyboard output directly to ram for a VGA display and am
> seeing what appear to be scan codes whenever a key is pressed :)
>
> Thanks
> Rob http://www.birdcomputer.ca >
>
> ________________________________________________________________________
> ________________________________________________________________________ >
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Re: Digest Number 191 (PS/2 mouse protocol) - Leon Heller - Aug 19 3:56:00 2001


>
>Rob,
>The best source of information I know of about the PS/2 mouse interface

There's also a lot of info. in Hamblen and Furman's book: Rapid Protptyping
of Digital Systems. Most of their stuff for the Altera Flex is also
available on their web site:

http://users.ece.gatech.edu/~hamblen/ALTERA/altera.htm

Leon

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Re: Digest Number 191 (PS/2 mouse protocol) - Ben Franchuk - Aug 19 9:27:00 2001

Leon Heller wrote:
> There's also a lot of info. in Hamblen and Furman's book: Rapid Protptyping
> of Digital Systems. Most of their stuff for the Altera Flex is also
> available on their web site: {url}

As a 'A' user this looks handy. Too bad most free software is for the 'X'
brand of chips. Ben.
PS. I doubt if I need the book,I just finished a Cpu design in just over
a week with schematics . Now two man years to debug and write software :-).
--
Standard Disclaimer : 97% speculation 2% bad grammar 1% facts.
"Pre-historic Cpu's" http://www.jetnet.ab.ca/users/bfranchuk
Now with schematics.





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