Debug error in TMS470MF06607

chain chen

Other Parts Discussed in Thread: TMS470MF06607

I have got a error in TMS470MF06607 demoboard,it's debugging tool is TIXDS100V2.It also can't programm by nowflash tool.It works well until I change PLL output to 240MHz by mistake.How can I repair it ? Thanks for all replies.

over 14 years ago

0 Jean-Marc Mifsud over 14 years ago

TI__Mastermind 22375 points

Chen,

Where did you program the PLL to 240Mhz? Is it in your application code?

In Nowflash, you can provide the frequency you want as following:

Assuming your external crystal is 16Mhz, setup the PLLCTL1 and PLLCTL2 with:

Click the check box Freq (Mhz) and type in 80Mhz.
Click the PLLCTL1 and PLLCTL2 check boxes and type in:

PLLCTL1:0x24036300
PLLCTL2:0x3FC0603D

This will configure the PLL to 80Mhz.

Try to erase the part before trying to reprogram a new code.

Let me know the result.

Best Regards,

Jean-Marc

0 Sunil Oak over 14 years ago

TI__Mastermind 49120 points

Chen,

Has this issue been resolved? If not, you can try the following sequence:

I am assuming that you have programmed the part with code that configures the PLL output to be 240MHz, which is why you are now having an issue connecting to the part.
Try to erase the part using nowFlash.
When you see the sequence: target..initialize.., hit the nRST button on the board to cause a system reset
This should allow the nowFlash tool to "halt" the CPU, which will prevent the PLL from being configured
Then the erase operation should work fine and you will have recovered the part.

Regards,

Sunil