I am using AT89C51RD2. My code is written in KEIL. How can I debug
Look in the Datasheet to see what debug support (if any) it
With no on-chip debug, you'll just have to resort to old-school
techniques like printf & toggling IO pins.
The Simulator might be helpful in some cases.
Maybe use a device with on-chip debug while debugging, and port to
a "non-debug" chip when done?
Andrew should have mentioned that there are now 100's of MODERN
'51 devices with built-in debug e.g. SiLabs. re Old School, there
is/was such a thing as an ICE, you may fins one on e-bay or
somewhere, Make sure you get the software also if you buy one.
Not clear if that would provide functionality via an RS232
Perhaps whomever made the design decision to use the part can
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