Lpc2000

We have the Ashling board with the 2294 footprint adapter and
experienced problems with the Wiggler.
We were able to get the Wiggler to work by changing R39 from
10K to 1K.

The problem was that the RST line was too slow coming
out of reset.



theeuwke wrote:
> 
> Hi everyone,
> 
> Because my wiggler didn't work (see topic: Wiggler by theeuwke),
> i've got from an other department some nice equipment; a JEENI and an
> MAJIC from EPI. But stil, I can't get this stuff to work.
> First some info:
> 
> I have two boards; first one is an EVBA7 from Ashling;
> http://www.ashling.com/datasheets/DS266-EvKitLPC2000.html
> It has an LPC2106 microcontroller (ARM7TDMIS)
> 
> To debug with this board, I set the Secondary debug jumber on
> enabled, the primairy debug jumper on disabled, the onboard debug on
> disabled, and ISR on disabled. I flashed a program to enable the
> secondary JTAG port that was delivered with the board, but I also
> tried the one in the files section. I just connected the device with
> the JEENI and the MAJIC with a standard 20 pin connector, that commes
> from EPI. When I use the JEENI, and try to connect with GDB, it
> complanes that "Target World is Broken" ?. If I use Debugger from
> ARM, it says that the processor is Running, i've got the same problem
> with the wiggler. When I use the MAJIC, it says "RTCK is stopped or
> extremely slow.
> 
> The second board is a custom made board bassed on the LPC2292. It has
> a mini 10 pin header, with TDO connected, TDI, TCK connected to the
> header and 3v3 with a 33k resistor, TMS connected to the header, TRST
> to header and 3v3 by 100k resistor and SRST to the system reset.
> When I tried the JEENI, because it doen't use the RTCK, I connected
> to the ground with a 4k7 resistor, with the majic i just connect it.
> So everything is connected good i believe, and I measured all the
> inputs to the lpc, and the resets are going up and down propperly,
> tck gets there, and there goes data in, but there is nothing comming
> out. I tried to upload a program that implicit sets PINSEL2 to DEBUG,
> but it didn't help. I have still the same problems as the first board.
> What the hell am I doing wrong?
> 
> 
> 
> 
> 
> 
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