ok, changed some settings, same stuff like the Wiggler:Notification
from the target:
Target power detected on VREF
Auto JTAG detection process detected 1 TAP
JTAG connection established
Auto JTAG detection process detected 1 TAP
Unable to stop target processor
Finished reading startice.cmd
MON>Target status not available (may be in sleep mode)
Unable to stop target processor
So with this JTAG device, i am now at the same level as the wiggler,
but what could be wrong now? I'm getting some data out of the chip
now (scope), but still problems
--- In lpc2000@yahoogroups.com, "theeuwke" <theeuwke@y...> wrote:
>
> Ok, changed the clockspeed of the jtag to 1mhz, but... no luck :'(
> This is what i get:
>
> Devices:
> Index Name
> [0] ARM7TDMI via majic3
> Selecting device [0] of 1
> Notification from the target:
> Target power detected on VREF
> Notification from the target:
> Auto JTAG detection failed--TAP 0 has excessively long IR
> Unable to initialize target interface
> Done.
>
> Make this any sense?
>
> --- In lpc2000@yahoogroups.com, "Hugh O'Keeffe" <hugh.okeeffe@a...>
> wrote:
> > LPC devices are based on ARM7TDMI-S and your JTAG frequency
should
> be < 1/7
> > of clock speed for "-S" devices. I'd recommend you start at the
> lowest JTAG
> > setting and work up.
> > Hugh @ www.ashling.com/support/lpc2000/
> >
> > -----Original Message-----
> > From: theeuwke [mailto:theeuwke@y...]
> > Sent: 03 November 2004 16:01
> > To: lpc2000@yahoogroups.com
> > Subject: [lpc2000] Re: Ashling EVBA 2194 and Multi-ICE
> >
> >
> >
> > Ok, I parral soldert a resistor of 1k on it, so it's a little bit
> > less than 1k now, but still no luck, i am suspecting my settings
of
> > the majic:
> > - ARM7TDMI (LPC2106)
> > - Little Endian
> > - Starup Connection mode: Intrusive (reset and stop processor)
> > - Sense target on VREF
> > - JTAG Clock speed = 10 (CPU runs at 14,476mhz)
> > - Target Reset causes JTAG RESET = "unchecked"
> > - Reset Target using Reset output signal = unchecked
> > - Drive TRST* Signal = unchecked
> >
> > --- In lpc2000@yahoogroups.com, "Hugh O'Keeffe"
<hugh.okeeffe@a...>
> > wrote:
> > > I want to confirm that there is a potential problem with our
> EVBA7
> > board
> > > that may prevent operation with the ARM Multi-ICE.
> > >
> > > The problem is due to the rise-time of RST line which enables
the
> > > EmbeddedICE on the LPC2000 device. Due to the use of an
incorrect
> > resistor
> > > value on our EVBA7 board the EmbeddedICE interface may not be
> > enabled when
> > > working with Multi-ICE (Ashling tools have an internal pull-up,
> > hence, do
> > > not have this problem).
> > >
> > > The fix is to replace R39 on the EVBA7 board (10K) with a 1K
> > resistor.
> > >
> > >
> > >
> > >
> > > Hugh @ <http://www.ashling.com/support/lpc2000/>
> > > http://www.ashling.com/support/lpc2000/
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: David [mailto:daver@c...]
> > > Sent: 12 August 2004 21:27
> > > To: lpc2000@yahoogroups.com
> > > Subject: [lpc2000] Re: Ashling EVBA 2194 and Multi-ICE
> > >
> > >
> > > --- In lpc2000@yahoogroups.com, Pauric Doherty
> <pauric_doherty@y...>
> > > wrote:
> > > > All,
> > > >
> > > > Has anybody got the ARM Multi-ICE unit and ARM Multi-ICE
Server
> > version
> > > > 2.2.5 to connect to an Ashling EVBA7 evaluation board with an
> > > adaptor board
> > > > FA-EVBA7-64 and LPC2194 chip.
> > > >
> > > > I've posted this message before and have found out that it is
> > possible
> > > > (thanks Milos) but I would like to know if anyone has
actually
> got
> > > the above
> > > > situation to work. I've read all the documentation regarding
> > jumper
> > > settings
> > > > and Multi-ICE debugging but have still to figure out what I'm
> > doing
> > > wrong.
> > > >
> > > > Thanks in advance for any help
> > > > It really is appreciated
> > > >
> > > > Regards,
> > > > Pauric
> > >
> > > We have the same evaluation board with the 2294 processor.
> > >
> > > We attempted to use the Wiggler to debug the board but
> > > to no avail. After many waveforms and looking at the
> > > schematics, we determined that the RST line was rising
> > > more slowly than TRST. This meant that the TRST line was
> > > trying to reset the JTAG state machine when the processor
> > > was still in reset.
> > >
> > > Our solution was to put a 1K resister in parallel to RST.
> > > The resister on the board R39 (10K) could also be replaced
> > > but we didn't want to solder the board.
> > >
> > > The people at Macraigor were VERY helpful in helping us
> > > narrow down the problem. Thanks to Macraigor!
> > >
> > > Regards,
> > > Dave
> > >
> > >
> > >
> > >
> > >
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