RTOS/TDA3LX: TDA3 OPP_PLUS

Frank L1

Part Number: TDA3LX
Other Parts Discussed in Thread: TDA2

Tool/software: TI-RTOS

Hi,

My customer wants to increase the TDA3 DSP and EVE speed. I notice that the TDA3 can run in OPP_PLUS mode. For TDA2, I think the SBL code for OPP_PLUS has been already implemented in \PROCESSOR_SDK_VISION_03_06_00_00\ti_components\drivers\pdk_01_10_02_07\packages\ti\boot\sbl_auto\sbl_app\src, but I cannot find any detail information about TDA3 OPP_PLUS. I have several questions about the SW/HW OPP_PLUS configuration. Could you please provide more details about the OPP_PLUS of the TDA3.

1. How to configure the Software for OPP_PLUS for TDA3 by using SBL? Is it same as the TDA2?

2. How to configure the Software for OPP_PLUS for TDA3 by using GEL?

3. Any special requirements for the hardware or PCB ?

Thanks,

Frank

over 7 years ago

0 Rishabh Garg over 7 years ago

TI__Guru 55685 points

Hi Frank,

TDA3xx OPP Plus is supported on a particular part i.e. TDA3xxS.

In order to configure SBL for EVE 900 MHz and DSP 1000 MHz you need to set SBL_LIB_CONFIG_DSP_1000GHZ_EVE_900MHZ to 1 in PROCESSOR_SDK_VISION_03_07_00_00\ti_components\drivers\pdk_01_10_03_07\packages\ti\boot\sbl_auto\sbl_lib\src\tda3xx\sbl_lib_config_tda3xx.h.

For gel you need to call TDA3xx_PRCM_Clock_Config_OPPPLUS_TDA3xx_15x15 API.

Regards,

Rishabh

0 Frank L1 over 7 years ago in reply to Rishabh Garg

Intellectual 610 points

Do you mean "TDA3SXX"? I can turn on the "OPP_PLUS" for the TDA3 on the D3 board now. Do I need additional cooling system for the chip? Also I notice that the video PLL will not work. Which function needs the video PLL? ISS capture? Video input port?

0 Rishabh Garg over 7 years ago in reply to Frank L1

TI__Guru 55685 points

Hi,

Can you specify the exact part that you are using in you system.

I am not aware of thermal characteristics of D3 board so for cooling you need to check with D3 Engineering.

Video PLL is needed by DSS.

Hence in case of OPP Plus display won't work.

Regards,

Rishabh

0 Frank L1 over 7 years ago in reply to Rishabh Garg

Intellectual 610 points

Hi Rishabh,

The part number of TDA3 on D3 board is xTDA3SXXBABFQ1. So I guess the TDA3SXX is the special part number that you were talking about, and B is the speed grade.

Thanks,

Frank

0 Rishabh Garg over 7 years ago in reply to Frank L1

TI__Guru 55685 points

Hi Frank,

xTDA3SXX is the ADAS superset part.

To have 900/1000 frequency you need to have part with speed grade S.

Please see Device Comparison table from data manual for different parts:

http://www.ti.com/document-viewer/TDA3MV/datasheet/device-comparison-int-device-comparison#int_Device_Comparison

Regards,

Rishabh

0 Frank L1 over 7 years ago in reply to Rishabh Garg

Intellectual 610 points

Thank you. But why I can still turn on the OPP PLUS on this chip? I print the DSP and EVE frequencies by Chains_prfLoadCalcEnable(), and it shows that the DSP frequency is 1000 MHz and EVE is 900 MHz. I also can use OPP HIGH and the DSP freuqnecy = 745 MHz and EVE frequency = 666.67 MHz.

0 Rishabh Garg over 7 years ago in reply to Frank L1

TI__Guru 55685 points

Hi Frank,

As I mentioned previously xTDA3SXX is the ADAS superset part which is used for SW development.

This part can be run at max supported frequency.

However this part is not meant to be used in production.

For production you will need to order one of the parts mentioned in Data Manual and depending upon the speed grade you will be able to set the EVE/DSP frequency.

Hope this helps.

Regards,

Rishabh

0 Frank L1 over 7 years ago in reply to Rishabh Garg

Intellectual 610 points

Hi Rishabh,

Thank you for your quick response. This could resolve my issue. Have a nice day.

Best,

Frank.

0 Rishabh Garg over 7 years ago in reply to Frank L1

TI__Guru 55685 points

Hi Frank,

I am closing this thread as issue has been resolved.

Regards,

Rishabh

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RTOS/TDA3LX: TDA3 OPP_PLUS