In part one of this blog series, we covered the Sony Spresense ecosystem at a high level. You will recall I mentioned that at the heart of the platform are the CXD5602 SoC and CXD5247 power management/audio codec IC.
This is a companion discussion topic for the original entry at https://www.edgeimpulse.com/blog/deep-dive-sony-spresense-with-edge-impulse-part-2