Thanks, Robert—that clears things up a lot. I was hoping to bypass the M4-F core entirely, but it makes sense now why it's required. The step-by-step procedure is super helpful too, especially the clock setup part. Appreciate the detailed explanation!

The EOS S3 family, with its Cortex M4-F, dual PDM or I2S MIC interface, and dedicated multipliers, seems to offer advantages such as improved efficiency and suitability for low-power voice applications. The ability to configure the multipliers as one 32x32 bit multiplier or two 16x16 bit multipliers...