TMS570LS3134: Floating point unit core

Sachin Edwin

Prodigy 30 points

Part Number: TMS570LS3134

Hello,

I would like to know if Floating point unit core is present for the part number.

Since we are some facing issues related to floating point computation. Sometimes we have a wrong calculation.

Errata data Rev D- was checked and there are two informations regarding floating point unit.

over 2 years ago

0 QJ Wang over 2 years ago

TI__Guru**** 186256 points

Hi Sachin,

Yes, this device supports Floating point.

The ARM R4F core does not contain floating-point hardware. Instead floating-point is done using a hardware coprocessor (FPU) attached to the ARM processor core. The VFPv3D16 architecture is used on R4F.The FPU implements a number of instructions that provide the required floating-point operations.

The FPU on Hercules MCU is an implementation of the ARM Vector Floating Point v3 architecture, with 16 double-precision registers (VFPv3-D16).

In the project property, please select VFPv3D16.

+1 Sachin Edwin over 2 years ago in reply to QJ Wang

Prodigy 30 points

Hi Wang,

Since I am compiling my code in Visual studio 2010 and using IAR (v6.40) as a cross compilier, could you tell me where I can make this change of selecting VFPv3D16 ? Is there a flag that needs to be set?

0 QJ Wang over 2 years ago in reply to Sachin Edwin

TI__Guru**** 186256 points

Hi Hi Sachin,

I don't know about IAR IDE and compiler. Please check with IAR support.

Arm-based microcontrollers

Arm-based microcontrollers forum

TMS570LS3134: Floating point unit core