Re: Debugger board for P4 ECMs

[steve ravet <sravet@arm.com>]

I'm interested.  You're saying you can single step, dump mem, etc. from
a PC/MAC?  What software are you using?

--steve

Ludis Langens wrote:
> 
> I've added a simple schematic to my web pages.  It is at:
>   http://www.cruzers.com/~ludis/p4test.gif
> 
> The schematic is of a little peripheral board for P4 ECMs.  It plugs
> onto the edge card test connector of a P4 ECM.  Everything fits on a
> circuit board small enough to fit inside the case of a 1227165.
> 
> The added peripherals let me run a debugger in a P4 ECM.  This is very
> useful for figuring out how the hardware works.  The schematic shows a
> Mac style RS422 serial port.  This could be changed to RS232 with a DB9
> connector for use with PCs.  Is anyone interested in building a copy?
> 
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
> 
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-- 
Steve Ravet
steve.ravet@arm.com
Advanced Risc Machines, Inc.
www.arm.com
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