https://devzone.nordicsemi.com/f/nordic-q-a/46893/nrf52-sdk-spis-example-spis-instance-configHi, As mentioned in the subject, I am confused with the SPIS example from nRF52 SDK 15.3.0. I wonder where NRFX_SPIS and _INST_IDX are defined in the header file? SPIS example main.c: static const nrf_drv_spis_t spis = NRF_DRV_SPIS_INSTANCE (SPIS_INSTANCEen-USTelligent Community 13Fri, 03 May 2019 14:16:06 GMThttps://devzone.nordicsemi.com/thread/185226?ContentTypeID=1Fri, 03 May 2019 14:16:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:19de9300-001d-4d6d-b438-1b2dec1a770dAimHigh<p>Thank you! I just lost it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/185152?ContentTypeID=1Fri, 03 May 2019 11:22:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:845b5bd1-6095-4e19-b12b-d75b7b8d88c0haakonsh<p><strong>NRFX_SPIS</strong><span>, id,&nbsp;</span><strong>_INST_IDX</strong>, swap &#39;id&#39; with 0, 1, or 2, and concatenate the three words. F.ex NRFZ_SPIS0_INST_IDX.</p><div style="clear:both;"></div>