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Author Topic: 89c4x0 and RAM and Keil  (Read 2357 times)
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mitsos
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« on: April 14, 2013, 09:05:38 21:05 »

hi

the last few days experimenting with some samples of Maxim (89C420 and 89C450). Trying a SRAM (UM61512-15ns) and 74HCT573, to work with Keil for debugging. Based on the evaluation kit of Maxim, and the application note 3362, it connects successfully, message: connected to monitor-51 v2.0, but right after I get the error messages:
error 22-no code memory at address 0000H
error 22-no code memory at address 0580H
error 23-conflicting break address

anyone who has experimented with fast clones of 8051 and Keil, please let us help

regards
mitsos
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pablo2048
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« Reply #1 on: April 22, 2013, 04:31:22 16:31 »

Can You please post here .M51 file or memory dialog screenshot from uVision?
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mitsos
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« Reply #2 on: April 22, 2013, 06:38:40 18:38 »

hi

I use the hex files of application note 3362 (monitor51)
http://files.dalsemi.com/microcontroller/app_note_software/an3362_sw.zip

and I follow the instructions of pdf "Using the Keil µVision Debugger with the DS89C4x0"
http://pdfserv.maximintegrated.com/en/an/AN3362.pdf

I use a crystal at 11.0592MHz (baud rate 9600). The ev kit has 16.384MHz.

regards
mitsos
« Last Edit: April 22, 2013, 06:40:50 18:40 by mitsos » Logged
pablo2048
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« Reply #3 on: April 23, 2013, 07:00:35 07:00 »

Ok, I have experience with Silabs CPU, so it may be different, but did You read this http://www.keil.com/forum/3845/ ?
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