Lpc2000

Hi, Thanks,
..mmm... May be using the LPC2138 as "LPC2137" (first
32KB of flash memory non use-able) will have that
problem fixed..   :)
Regards   /MH

--- In lpc2000@yahoogroups.com, "keithgw_strider" 
<keithgw_strider@y...> wrote:
> Please don't bother IAR with this problem. I am 99.9% sure it is 
NOT 
> their problem. Use any tool that uses POP instructions. When the 
> address of the pop instruction matches the SP address, except for 
> the most significant byte, you should see this problem.
> 
> Again this has only been seen on the LPC213x family. If you have 
> concerns about this, see it for yourself. The project and 
> screenshots have been posted in the "files" section under "stack 
> issue". I will let you know when I get any information from 
Philips.
> 
> 
> --- In lpc2000@yahoogroups.com, "keithgw_strider" 
> <keithgw_strider@y...> wrote:
> > I sent a copy of my project to Mike Nelson at IAR. He was able 
to 
> > duplicate the problem using the latest tools on the LPC213x but 
he 
> > could NOT duplicated it on the LPC2106. I don't see how it is a 
> > tools issue, although if your tools never generates a POP 
> > instruction, you won't see this problem.
> > 
> > Mike modified my project so the addresses match again when 
> compiled 
> > with the latest tools. He then sent a copy of the project and 
> screen 
> > shots to Will Dawson of Philips, Mark Moran of IAR and myself. 
If 
> > anyone wants a copy of the project and screen shots, they will 
be 
> > posted in the the files section.
> > 
> > 
> > 
> > 
> > 
> > --- In lpc2000@yahoogroups.com, "unity0724" <unity0724@y...> 
wrote:
> > > Hi, 
> > > 
> > > Help!!  I'm using lots of LPC2124, but not LPC213x yet.
> > > Somebody pls.. pls.. confirm problem related to LPC213x only.
> > > (something like due to moving port I/O to local bus and add
> > > address comparator so that prefetch queue not flushed 
> > > => for high speed I/O port toggling.   Or whats ever)
> > > 
> > > Many Thanks and Best Regards   /MH
> > > 
> > > 
> > > --- In lpc2000@yahoogroups.com, "lp2000c" <lp2000c@e...> wrote:
> > > > WOW!!
> > > > 
> > > > Has anyone else reproduced this?
> > > > 
> > > > keithgw_strider:
> > > > 
> > > > Have you found out anything more?
> > > > 
> > > > 
> > > > 
> > > > --- In lpc2000@yahoogroups.com, "dsidlauskas1" 
> > <dsidlauskas@w...> 
> > > > wrote:
> > > > > Martin and All,
> > > > > 
> > > > > Sorry for the wrong message number. Message 7898 fully 
> > describes 
> > > the
> > > > > problem.
> > > > > 
> > > > > In brief:
> > > > > "
> > > > > It appears anytime the PC and SP are equal except for the 
> high 
> > > byte 
> > > > of
> > > > > the address, and you run a POP {R4} instruction, the chip 
> will 
> > > pop 
> > > > two
> > > > > times off the stack thus loading R4 with the wrong value 
and 
> > > messing
> > > > > up your stack.
> > > > > 
> > > > > for example:
> > > > > 
> > > > > 0x000001F4 POP {R4} With SP = 0x400001F4.
> > > > > 
> > > > > R4 will be loaded with the contents of 0x400001F8.
> > > > > "
> > > > > 
> > > > > Dave
> > > > > 
> > > > > --- In lpc2000@yahoogroups.com, "Martin Maurer" 
> > > <mailingliste@c...> 
> > > > wrote:
> > > > > > Can you add a short summary of the problem, what the 
> problem 
> > > is ?
> > > > > > 
> > > > > > Regards,
> > > > > > 
> > > > > >          Martin
> > > > > > 
> > > > > > ----- Original Message ----- 
> > > > > > From: "lpc2100_fan" <lpc2100_fan@y...>
> > > > > > To: <lpc2000@yahoogroups.com>
> > > > > > Sent: Monday, July 04, 2005 8:12 AM
> > > > > > Subject: [lpc2000] Re: Philip Aps. - Stack Issue
> > > > > > 
> > > > > > 
> > > > > > > Dave,
> > > > > > > 
> > > > > > > Your pointer was a little misleading (7923) but I 
found 
> > the 
> > > > issue
> > > > > > > described in 7898.
> > > > > > > 
> > > > > > > My question to the original poster (I guess Keith) is 
> > > whether 
> > > > the MAM
> > > > > > > was enabled? If not please do so.  
> > > > > > > 
> > > > > > > Did enabling the MAM change anything?
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > --- In lpc2000@yahoogroups.com, "dsidlauskas1" 
> > > > <dsidlauskas@w...>
> > > > > wrote:
> > > > > > >> Message 7923 describes a bizarre stack problem on the 
> > 213x. 
> > > If
> > > > > this is
> > > > > > >> correct, it would seem to seriously limit the 
> usefulness 
> > of 
> > > > this
> > > > > part.
> > > > > > >> 
> > > > > > >> What say you Philips Ap's?
> > > > > > >> 
> > > > > > >> Dave
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > Yahoo! Groups Links
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > >