Processor behavior when pausing debugger in LPM4

Angelo Caruso68686

Other Parts Discussed in Thread: MSP-FET, MSP430F2619

I am developing a low-power application with the MSP430F2619 using CCS v6.1.1 and the MSP-FET debugger connected via JTAG.

I observer the following behavior when debugging: with the processor is in LPM4 I suspend execution using the "pause" button, then resume using the "play" button. The processor then restarts the application, jumping to _c_int00_noargs_noexit(). If I modify my code so that I don't enter the LPM, then things behave normally (i.e. the processor resumes from where it left off, as expected). Is this expected debugger behavior when using LPM4?

over 9 years ago

0 Evan W over 9 years ago

TI__Mastermind 39610 points

Angelo,

I have referred this post to our MSP-FET expert to comment.

0 Evan W over 9 years ago in reply to Evan W

TI__Mastermind 39610 points

In the meantime, can you try your setup with this example and see if you see the same issue?

dev.ti.com/.../

0 Chester Gillon over 9 years ago in reply to Evan W

Guru 92251 points

Evan Wakefield said:
In the meantime, can you try your setup with this example and see if you see the same issue?

I have previously reported a similar problem where a MSP430F2619 reset when resumed after suspended in a low power mode - see

I was able to repeat the problem with example programs from the TI Resource Explorer.

0 Angelo Caruso68686 over 9 years ago in reply to Chester Gillon

Intellectual 385 points

Thanks. I thought I did a reasonable search for similar posts, but obviously not good enough. But I am glad to know I am not alone with this issue. I have not had a chance to try the example project yet (too busy working on my actual application).

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Processor behavior when pausing debugger in LPM4