nRF9161 Getting the high accuracy oscillator (HFXO) outside and sync with other nrf chips?

[schnitzlein]

Question: nRF9161 Getting the high accuracy oscillator (HFXO) outside and sync with other nrf chips?

Basically I want to get the Clock Signal outside on a Pin, is it an option?
How can I achivew this and bring out the Clock Signal?

Goal
I want to use this Clock on another nrf Chip instead of external Clock, just this Clock Signal.


Hopefully someone have good news for me.


kind regards

[schnitzlein]

There is: https://docs.nordicsemi.com/bundle/ps_nrf9161/page/pin.html#pin_assign
PIN 58

This is mentioned to be a CLK and referring to the MIPI System: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fnwp_034%2FWP%2Fnwp_034%2Fnwp_034_mipi_rffe_if.html

Which is the modem clock, so far I am understanding.

But it is not the oscilator clock signal, which I can use outside, or?
Which is described in: https://infocenter.nordicsemi.com/pdf/nRF9161_PS_v1.0.pdf#%5B%7B%22num%22%3A273%2C%22gen%22%3A0%7D%2C%7B%22name%22%3A%22XYZ%22%7D%2C85.039%2C311.723%2Cnull%5D

This clock has the output of 19,2 MHz: docs.nordicsemi.com/.../mipi_rffe_if.html

The Clock I am looking for is mentioned here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf9161%2Fpmu_oscillators.html

Can I basically map/assign one of these mentioned clocks to a gpio, that simply in devicetree ?

[Øyvind]

Hello, 

I will come back to you on Monday with an answer. 

Sorry for the inconvenience!

Kind regards,
Øyvind