Lpc2000

Thank you all for your answers !
 
By the way, do you know which pin of the jtag connector is used for RTCK
?
Tom, is there something in the BDI2000 manual ?
 
Ed, I think it would be good to add RTCK even it is  not in the original
wiggler design.
 
Have a nice day,
Guido

________________________________

From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf
Of Dan Beadle
Sent: Mittwoch, 18. Januar 2006 17:29
To: lpc2000@yahoogroups.com
Subject: RE: [lpc2000] JTAG - RTCK ?


It is the Return Clock.  It is used for deglitching the return signal.
Ideally, the chip under test would have zero delay getting the clock on
board.  But it does have some delay. The RTCK is the image to of the
JTAG clock being used by the chip. For very fast clocking, this allows
the debugger to sync up with the chip under test.



  _____  

From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf
Of Leon Heller
Sent: Wednesday, January 18, 2006 3:03 AM
To: lpc2000@yahoogroups.com
Subject: Re: [lpc2000] JTAG - RTCK ?



----- Original Message ----- 
From: "Soentgerath, Guido" <Guido.Soentgerath@...>
To: <lpc2000@yahoogroups.com>
Sent: Wednesday, January 18, 2006 9:05 AM
Subject: [lpc2000] JTAG - RTCK ?


> Hello all,
> can someone give me an explanation for RTCK  or  a hint where I can
find
> some more infos about this signal ?
> Thanks in advance!

I found a document on the ARM web site a long time ago which describes
the 
JTAG interface in detail. Can't remember where, though.

Leon 




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