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TMS320F2810: Help determine the Unique Device Number.

Part Number: TMS320F2810


Hi.

I need to use a Unique Device Number of the microcontroller in my software. For the family of C2000 there is a description about a Unique Device Number, which can be downloaded from www.ti.com/.../spracd0.pdf. In this document it is written that for microcontrollers series TMS320F2810 Unique Device Number of the device is located at the address 0x000808 and 0x000809. But when I connect to TMS320F2810 microcontroller with JTAG SAU510 iso PLUS emulator, I see only 0xFFFF and 0xFFFF at 0x000808 and 0x000809 addresses. I tried about 20 microcontrollers. In all, instead of a Unique Device Number is 0xFFFF.

Where can I find a Unique Device Number for TMS320F2810? Why it is not located at 0x000808 and 0x000809 as described in the Datasheet?