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FAQ › Getting Started › ESP32 Architecture: ARM, RISC-V, Xtensa
// architecture · cores · faq ESP32 Architecture: ARM, RISC-V, Xtensa Filed under: ESP32 · Architecture · Updated August 2026 What kind of processor is inside an ESP32, whether it's ARM, RISC-V, or Xtensa, and how the chip actually works — straight answers. How Does ESP32 Work? At power-up,
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