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Debugging: access memory during program execution?

2004-10-25 by Oliver Betz

Hello All,

although I'm currently not using LPC21xx, I consider it as an upgrade 
path from the Motoro^W Freescale MC9S12. So please excuse if I ask 
something widely known - as a novice I might have overlooked the 
right document.

Can I access memory while the program is executing (like via BDM in 
the 68HC(S)12), whithout noticeable influence on program execution?

Or does a memory read always interrupt program execution for many 
cycles?

If "non intrusive" is possible: is this a standard feature of 
debuggers?

Can I also write memory this way?

Any general hints about good debuggers?

Links to web sites about this topic also welcome.

Thanks in advance,

Oliver
-- 
Oliver Betz, Muenchen

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