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ESP8266 Datasheet

ESP8266 PINOUT ESP8266 offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.


When ESP8266 hosts the application, and when it is the only application processor in the device, it is able to boot up directly from an external flash. It has integrated cache to improve the performance of the system in such applications, and to minimize the memory requirements.


Alternately, serving as a Wi-Fi adapter, wireless internet access can be added to any microcontroller-based design with simple connectivity through UART interface or the CPU AHB bridge interface.


download ESP8266 datasheet pdf

ESP8266 Features


  • 802.11 b/g/n protocol

  • Wi-Fi Direct (P2P), soft-AP

  • Integrated TCP/IP protocol stack

  • Integrated TR switch, balun, LNA, power amplifier and matching network

  • Integrated PLL, regulators, and power management units

  • +19.5dBm output power in 802.11b mode

  • Integrated temperature sensor

  • Supports antenna diversity

  • Power down leakage current of < 10uA

  • Integrated low power 32-bit CPU could be used as application processor

  • SDIO 2.0, SPI, UART

  • STBC, 1×1 MIMO, 2×1 MIMO

  • A-MPDU & A-MSDU aggregation & 0.4┬Ás guard interval

  • Wake up and transmit packets in < 2ms

  • Standby power consumption of < 1.0mW (DTIM3)

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