DM6433 or other with ability to lock the jtag port ?

TI Lady

Other Parts Discussed in Thread: TMS320DM6433, OMAPL138

We currently use the TI TMS320DM6433 – Does TI have anything in the 6x family that has the ability to lock the jtag port and/or run code inside protected and secure memory. My goal is to try to make it a little harder for someone to hack our code.

thanks,

over 8 years ago

0 Titusrathinaraj Stalin over 8 years ago

TI__Guru** 116100 points

Hi,
No, other than secure TI part, no way to lock the JTAG port of processor.

You can check the general way for that, like need to avoid the product case opening (screw out etc.,) and erase the program inside to secure.

Please refer to the following link.
isis.poly.edu/.../design_and_test_final.pdf

0 TI Lady over 8 years ago in reply to Titusrathinaraj Stalin

Genius 4025 points

Thanks for the response. What do you mean by "other than secure TI part". How can we secure the data?

thanks,

0 Titusrathinaraj Stalin over 8 years ago in reply to TI Lady

TI__Guru** 116100 points

Hi,

I meant that JTAG lock feature is not available in non-secure processors but secure processor does.

0 TI Lady over 8 years ago in reply to Titusrathinaraj Stalin

Genius 4025 points

Thanks for that clarification. Can you please point me to a secure processor? or at least a family of secure processors?
Thanks again!

0 Titusrathinaraj Stalin over 8 years ago in reply to TI Lady

TI__Guru** 116100 points

Hi,
As far as I know, we have secure (basic) OMAPL138/C6748 processors.
C6748 -> DSP
OMAPL138 -> ARM+DSP

www.ti.com/.../secdevtool-omapl138c6748

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DM6433 or other with ability to lock the jtag port ?