ESP32 Technical Reference Manual

2022-12-08
●About This Manual: ESP32 Technical Reference Manual targets application developers. The manual provides detailed and complete information on how to use the ESP32 memory and peripherals.
●Introduction
■The ESP32 is a dual-core system with two Harvard Architecture Xtensa LX6 CPUs. All embedded memory, external memory and peripherals are located on the data bus and/or the instruction bus of these CPUs.
■With some minor exceptions (see below), the address mapping of two CPUs is symmetric, meaning they use the same addresses to access the same memory. Multiple peripherals in the system can access embedded memory via DMA.
■The two CPUs are named “PRO_CPU” and “APP_CPU” (for “protocol” and “application”), however for most purposes the two CPUs are interchangeable.

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August 31, 2016

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