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How to test internal RAM/SRAM of ARM 026-EJS board?

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harsh_electro

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We are planning to test internel RAM / SRAM of ARM 026-EJS board.

How do i achieve this ?

Where should i write my code ?

How can i port code to internel memory / RAM of the processor?

Any example or document to achieve this ?

Regards
Harsh
 

RAM test

This document provides very good information about RAM testing in embedded system. http://www.ganssle.com/testingram.pdf

As far as location of the code is concerned ideally you should run the code from FLASH memory as you are going to test the RAM itself. This can be achieved with the help of linker scripts. unfortunately exact method is different across different compilers.
 

RAM test

plz explain how can ram be tested with whaat device
 

RAM test

How do i achieve this ?

By writting Code

Where should i write my code ?

CODE->Assembler->EPROM


How can i port code to internel memory / RAM of the processor?

Register

Any example or document to achieve this ?

Copy the data of RAM location to Internal Register.
Do Read / Write Operation with AA and 55 and check AA and 55 were written to location

Restore data from Register to RAM location
 

RAM test

"http://www.ganssle.com/testingram.pdf " this address is not working? can one post the pdf or send it to me at "srigb@graffiti.net".
 

Re: RAM test

ariyan said:
"h**p://www.ganssle.com/testingram.pdf " this address is not working? can one post the pdf or send it to me at "srigb(at)graffiti.net".
Click to expand...

Link is working, replace ** in h**p to tt
 

RAM test

That I have done that but whenever I have tried to download it gives some error related to DLL of explorer. Now it is ok.
 

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