On Wed, 2007-08-15 at 23:30 -0600, Forrest W Christian wrote:
> I'm in need of a JTAG interface cable for a project I'm working on.  I'm 
> trying to figure out the best way to proceed.
> 
> In short, it looks like although the JTAG interface on the 
> system-under-test-or-programming side is fairly standardized, the 
> interface on the PC is anything but.  It looks like to program a device 
> via JTAG, you need an appropriate pice of software on the PC which knows 
> how to drive the JTAG for that device to do the programming.  It also 
> looks like each of these software packages only support certain cables, 
> and which ones don't appear to be well documented at all.

You are correct. While "JTAG" means the physical interface to the chip
and most of the operations performed are standard, the cable and
software is not standard.

There is no "universal" JTAG cable+software combination out there. You
will have to get the right cable and software for the devices you'd like
to program, there is no other way (aside from writing the software
yourself). TTYL

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