Compiler/TMS320F28075: Floating point unit errata workaround

LE Lam

Part Number: TMS320F28075

Tool/software: TI C/C++ Compiler

Hello everyone,

I am working on a system in which I use TMS320F28075. I use the following options for the compiler " --float_support=fpu32 --tmu_support=tmu0", but I recently noticed that, in document SPRU514R, with "--tmu_support=tmu0" the compiler will disable the --silicon_errata_fpu1_workaround option by default. So, I would like to know if the silicon_errata_fpu1 is presented on the microcontrollers of the TMS320F2807x family and the Delfino family? If the answer is yes, why the activation of '--tmu_support=tmu0" option will disable the --silicon_errata_fpu1_workaround option. And can I have both options enabled at the same time in the compiler?

Thanks a lot for any answer!

Lam

over 6 years ago

0 Lori Heustess over 6 years ago

TI__Guru* 91940 points

Bao,

The errata list for the TMS320f28075 can be found at the top of it's product folder (www.ti.com/.../TMS320F28075 ). It is directly under the datasheet and the Technical Reference Manual. Yes, this specific errata is fixed on the F28075 and other devices with the TMU such as F28004x, and F2837xD/S.....

Regards
Lori

0 LE Lam over 6 years ago in reply to Lori Heustess

Prodigy 155 points

Lori,

I did read the silicon errata of the TMS320f28075, but I didn't find things like what is described in the document of v18.12.0 compiler for --silicon_errata_fpu1_workaround option. So when you said that this specific errata is fixed, it means that I don't need to enable --silicon_errata_fpu1_workaround option on the compiler, is that right?

Regards
Lam

0 Lori Heustess over 6 years ago in reply to LE Lam

TI__Guru* 91940 points

Lam,

That is correct. Only the errata that apply to the device are listed. in the document This errata does not apply to this device and thus the compiler switch is not needed.

Regards

Lori

0 LE Lam over 6 years ago in reply to Lori Heustess

Prodigy 155 points

Lori,

Thank you very much for your answer.

Regards

Lam

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Compiler/TMS320F28075: Floating point unit errata workaround