alt Hacker NewsWhy didn't they make their own ISA long ago? Then they could have zero royalties. AFAIK ESP8266 was already its own architecture.
Why didn't they make their own ISA long ago? Then they could have zero royalties. AFAIK ESP8266 was already its own architecture.
ESP8266 uses an Xtensa CPU like the ESP32 (just a non-customizable preset)