The ESP8266 from Espressif is a highly integrated chip designed for the needs of an increasingly connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host applications or offload all Wi-Fi networking functions from another application processor.

esp8266-espressif

The ESP8266 has powerful on-board processing and storage capabilities that allow it to be used with sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry. The entire solution, including the module, is designed to occupy minimal PCB area.

Specifications

  • 802.11 b/g/n
  • WiFi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier and matching network
  • Integrated PLLs, regulators, DCXO and power management units
  • +19.5dBm output power in 802.11b mode
  • Power down leakage current of <10uA
  • Integrated low power 32-bit CPU could be used as application processor
  • SDIO 1.1/2.0, SPI, UART
  • STBC, 1×1 MIMO, 2×1 MIMO
  • A-MPDU & A-MSDU aggregation & 0.4ms guard interval
  • Wake up and transmit packets in < 2ms
  • Standby power consumption of < 1.0mW (DTIM3)

Features

  • SDIO 2.0, SPI, UART
  • 32-pin QFN package
  • Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
  • Integrated RISC processor, on-chip memory and external memory interfaces
  • Integrated MAC/baseband processors
  • Quality of Service management
  • I2S interface for high fidelity audio applications
  • On-chip low-dropout linear regulators for all internal supplies
  • Proprietary spurious-free clock generation architecture
  • Integrated WEP, TKIP, AES, and WAPI engines

Source: http://espressif.com/en/products/esp8266/

ESP8266
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