56f803

[hapqt]

I'm using SDK2.4 for DSP56F803.I want to erase,write and read the data from external data memory(SST39VF1601) through the data and address bus.But the returned data always 0xFFFF.Is there any error?

  ORC #$0008,OMR
  NOP
  MOVE #$AA,X:$5555
  MOVE #$55,X:$2AAA
  MOVE #$A0,X:$5555
  MOVE #$0E,X:$0024
  NOP

  NOP
  MOVE X:$0024,A
  NOP
  ANDC #$FFF7,OMR
  NOP
  MOVE A,Data
  NOP  

THANKS.Another problem:can I see the data in the external data memory by the codeworrior windows?

[hapqt]

Thank you very much.

[trytohelp]

just for your info:

CodeWarrior Development Studio for Freescale 56800/E Digital Signal Controllers Version 8.2.3
You can download this version on our web site via the link:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=CW-56800E-DSC
For details please have a look in:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=CW-56800E-DSC&tab=In-Depth_Tab
In the download tab you can download the Special Edition or the Evaluation.
The Special edition contains the special edition license limited to 32 kb of Code.
We recommend you to download the Evaluation edition.
A Professional Evaluation license is provided for first 30 days.
After 30 days the product will function at the Special Edition level.
If you need another version of the license please contact your local distributor.
You can purchase it directly from the web site too.
We changed the pricing and packaging structure for Codewarrior Tool.
Now there are 4 suites:
 special (free version)
 basic
 standard
 professional
Please refer to the link for details:
http://www.freescale.com/webapp/sps/site/overview.jsp?nodeId=0127262E703BC5

Go to the www.freescale.com and click on My Freescale.
After you were logged, select CodeWarrior Licensing under MY Secure Application.
In the new dialog you can manage your license file.

Keep in mind you can have several versions installed on the same PC.
There is only one restriction: install them on separate folder.
If you're using an old version, please backup your project before to try it with this new version.
If you will meet some compatibility issue you could back to the older version without problem.

For the patches, please use the link :
 http://www.freescale.com/webapp/sps/site/overview.jsp?nodeId=01272600617882

Regards

Pascal

[trytohelp]

Hi,

You're using an old version released probably in 2002.

The SDK is not delivered anymore.

Since the DSC V6.0 Processor Expert has been introduced.

Processor Expert replaces the SDK.

I don't think if you could get info for this question.

The tool used seems to be too old.

Regards

Pascal