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TMS320F2809: Programming F2809 by Arrows

Part Number: TMS320F2809
Other Parts Discussed in Thread: UNIFLASH


I try to solve a problem of my customer.

The F2809 is part of a PCB which is produced by an external manufacuter. Some years ago the manufacturer got the out-file with the F2809 Firmware. Since then the F2809s have been programmed by the distributor and have been assembled afterwards onto the PCB. So there was no need for programming manually by Uniflash.

Now the manufacturer says he must buy the F2809 from Arrows as from now on it is the only distributor Texas Instruments works with. But Arrow does not know how to use the out-file and they demand a hex file.

I therefore created a hex file with the utility that is intergrated in Code Composer Studio. This hex file I tried with Uniflash. It took several minutes, I guess more than five minutes, but apparently Uniflash programmed successfully without error message.

But after powering the PCB I saw that the firmware does not work. I tried to reprogram the PCB with the out file. However the CSM passwort now contains apparently unknown bytes, so the PCB is not accessible anymore and seems dead.

Has anybody a hint how the hex file (containing also the CSM password) must be created so that Arrow can use it.

Thanks a lot in advance,