There will be an error message when connecting.

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Tue, 25 Mar 2025 08:31:03 GMT

Hello,

Can you check the Device Tree to configure the use of external load capacitance?

&hfxo {
      load-capacitors = "external";
};

RE: There will be an error message when connecting.

Weili — Tue, 18 Mar 2025 07:20:41 GMT

Hi Kazi.

This is our schematic and pcb file.
If you have any suggestions, please let us know.

devzone.nordicsemi.com/.../BLE54L15_2D00_SA_2D00_A_2D00_Determined-version.zip

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Fri, 14 Mar 2025 08:04:21 GMT

Hello Weili,

You can upload the hardware file here. I have made your case private.

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Fri, 14 Mar 2025 08:04:19 GMT

Hello Weili,

You can upload the hardware file here. I have made your case private.

RE: There will be an error message when connecting.

Weili — Thu, 20 Feb 2025 01:00:48 GMT

Hi Kazi.

Thank you for your reply, sorry, because we have resubmitted the second PCB,
We were adjusting the PCB last week.
We use external load capacitors and match them to 18pf. At this time, we see that everything is fine at the center frequency of CW. We can see the broadcast using the HR sample code, but when we try to connect, it fails to connect and displays MPSL assert.
Let's try to write hard code. If we change it as follows, we can connect smoothly.

Do you have any suggestions on this issue?

If you want to review our schematics and board layouts, how should I submit them to you?

SDK V2.8

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Thu, 16 Jan 2025 13:49:38 GMT

Hello,

Do you have external load capacitors for both crystals? You can avoid using FICR values. I think we need to look at your board. Could you please share the design file?

RE: There will be an error message when connecting.

weiliwang — Thu, 09 Jan 2025 02:55:23 GMT

Hi Kzai.

Thank you for your assistance,
I would like to ask, how can I change the startup time?
If I declare CONFIG_MPSL_HFCLK_LATENCY in prj.conf, it causes compilation error.

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Wed, 08 Jan 2025 09:16:19 GMT

Hello,

I asked team and got feedback.

It seems high frequency clock (hfclk) is not ready in time. You should check that the hfxo is connected and that the startup time matches what is given to mpsl on init.

RE: There will be an error message when connecting.

Jacky_xb — Wed, 08 Jan 2025 05:59:07 GMT

Hello Kazi:

Any Update?

RE: There will be an error message when connecting.

weiliwang — Mon, 06 Jan 2025 09:24:23 GMT

Hi Kazi.

my sdk version is SDK v2.8

the soc chip version below:

This chip is the chip we got in August last year

RE: There will be an error message when connecting.

Kazi Afroza Sultana — Mon, 06 Jan 2025 08:56:17 GMT

Hello,

The error is related to MPSl assert. I need to know which version of the nRF54L15 SoC you are using on your module? I also would like to know the SDK version.

Thanks.

Kazi