ADC readings Self test

[Ayaz]

Hi,

I have some questions regarding the ADC self-test while using BCTU triggering via EMIOS, which is a hardware trigger. Here are my queries:

1. ADC Self-Test : how do we do the ADC self test when we are doing BCTU triggering?

2. Self-Test Triggering: My understanding is that the BCTU itself triggers the self-test. If this is correct, how do we read the results?

3. Self-Test Result Verification: How can we determine if the self-test has passed or failed?

4. Timing of Self-Test When does the self-test occur during BCTU triggering? Is it at the end of each BCTU list for each trigger, at the end of each signal sample, or at some other point?
   I hope to receive answers to all my questions

[PetrS]

Hi,

running the ADC self test using the BCTU to trigger it is not supported on K3xx devices.

The RM's chapter 60.3.17.2 Self-test gives info about steps required in CPU mode.

If using RTD, in the ADC driver we provided API calls Adc_SelfTest(),  Adc_Sar_Ip_SelfTest(). As per ADC User manual should be called at any time after driver was initialized and there are no ongoing conversions.

BR, Petr

[Samuel_DCosta]

Hi Petr,

Could you help us understand how we can ensure that there is no ongoing conversion when triggers are generated via hardware?

[PetrS]

Hi,

module MSR register gives status for ongoing conversions. If module is in BCTU control mode you will need to disable it.

BR, Petr