If the MCPWM is configured and started (pwm_init() called) the ethernet stops working. Events are not generated. If the MCPWM does not configured (pwm_init() does not called) the ethernet works properly. I have issues ethernet + SPI as well but I could not strip down the closed source...
1.1 Init Hardware Timer// Depending on the board, you can select NRF52 Hardware Timer from NRF_TIMER_1-NRF_TIMER_4 (1 to 4) // If you select the already-used NRF_TIMER_0, it'll be auto modified to use NRF_TIMER_1 // Init NRF52 timer NRF_TIMER1 NRF52Timer ITimer(NRF_TIMER_...