AM2634-Q1: Timer enable for multicore project

Perumalsamy A

Part Number: AM2634-Q1

Tool/software:

We are working on a multicore project where each core has a dedicated task. We need to enable a timer for Core 0. However, when we enable the timer for Core 0, a resource conflict occurs because each core is using its corresponding clock (RTI1, RTI2, RTI3, RTI4). We tried changing the clock to RT0 for all cores, but that also caused a resource conflict.

Could you kindly guide us on how to enable the timer for a specific core? Your support would be greatly appreciated.

5 months ago

0 Shaunak Deshpande 5 months ago

TI__Genius 16272 points

Hi,

Right now, all the four RTI instances are tied up to each R5F core's "Clock" module (can be checked in the example.syscfg).

This leads to RTI being completely resource locked and not being able to use it for other purposes. While the Hardware RTI does support having multiple compare outputs, the support is not present in the software RTI driver yet. Unfortunately, this means, in this scenario of all 4 cores being used, with the current SDK offering, RTI cannot be used for other purposes.

Regards,
Shaunak

0 Perumalsamy A 5 months ago in reply to Shaunak Deshpande

Prodigy 60 points

Hello Shaunak Deshpande,

Thank you for your valuable support.

0 Shaunak Deshpande 5 months ago in reply to Perumalsamy A

TI__Genius 16272 points

Hi,

I also checked with the development team internally, since this support should be present to use RTI hardware efficiently on the AM263x MCU, we will try to enable he other Compare outputs so RTI can be used for other purposes in the application as well.

This should be available in the v11.0 SDK around 3Q2025

Regards.
Shaunak

Arm-based microcontrollers

Arm-based microcontrollers forum

AM2634-Q1: Timer enable for multicore project