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CC2340R5-Q1: Wakeup time from standby by GPIO tigger

sjmizuta

Intellectual 315 points

Part Number: CC2340R5-Q1
Other Parts Discussed in Thread: CC2340R5

Tool/software:

Hi, TI team

I am having a problem with the software I am creating, what is the cause and how can I fix it?
I am building a system using CC2340R5 and another IC.
The CC2340R5 is triggered by a signal (Falling edge) from another IC to start up from standby mode.

However, the time between the signal generation from the separate IC and the start of the user application varies greatly.(3.80usec or 154usec)
Why is this?
We are using SDK 7.40.

Regards.

0 Isaac Larson 10 months ago

TI__Expert 6045 points

Hello,

Can you give me more information of the setup for the two plots provided? Are these two tests to wake up the CC2340R5 device using the same setup?

Can you provide me more details on your input GPIO and how you are waking up when the signal is received?

Thanks,
Isaac

0 sjmizuta 10 months ago in reply to Isaac Larson

Intellectual 315 points

Hi.

Yes.

The results are based on confirmation using exactly the same setup and software.

Regarding the question of how it wakes up, what should I check?

Thank you.

0 Isaac Larson 10 months ago in reply to sjmizuta

TI__Expert 6045 points

Hello,

I mean how are you initiating wakeup when you receive the input signal?

Please let me know.

Thanks,

Isaac

0 sjmizuta 10 months ago in reply to Isaac Larson

Intellectual 315 points

Hi, Isaac.

I don't know why, but the previous event no longer occurs, even with the same sample and the same software.

So, please let me close this question.

Many thanks.