ESP8266 SDK API Guide

2022-09-19
●ESP8266 WiFi SoC offers a complete and self-contained Wi-Fi networking solution; it can be used to host applications or to offload Wi-Fi networking functions from another application processor. When the ESP8266 hosts application, it boots up directly from an external flash. It has an integrated cache to improve the performance of system’s running applications. Alternately, serving as a Wi-Fi adapter, wireless internet access can be added into any microcontroller-based design with simple connectivity through UART interface or the CPU AHB bridge interface.
●ESP8266EX is amongst the most integrated Wi-Fi chips in the industry; it integrates the antenna switches, RF balun, power amplifier, low noise receive amplifier, filters, power management modules, it requires minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area.
●ESP8266EX also integrates an enhanced version of Tensilica's L106 Diamond series 32-bit processor, with on-chip SRAM, on top of its Wi-Fi functionalities. ESP8266EX is often integrated with external sensors and other application specific devices through its GPIOs. Codes for such applications are provided as examples in the SDK. The examples also demonstrate the use APIs listed in this document.
●Sophisticated system-level features include fast sleep/wake switching for energy-efficient VoIP, adaptive radio biasing for low-power operations, advanced signal processing, spur cancellation and radio co-existence features for common cellular, Bluetooth, DDR, LVDS, LCD interference mitigation.
●The SDK based on ESP8266 IoT platform offers users an easy, fast and efficient way to develop IoT devices. This programming guide provides overview of the SDK as well as detailed description of the APIs. It is written for embedded software developers to help them program on ESP8266 IoT platform.

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2016.04

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