WIFI芯片

XR808 WiFi芯片

XR808 is a highly integrated low-power Wi-Fi Microcontroller System-on-Chip (SoC) solution designed for Internetof Things (IoT), Machine-to-Machine (M2M), Smart Home, Cloud Connectivity and Smart Ener

  • 型号: XR808
  • 封装:
  • 尺寸:
  • 认证:
  • SPI Flash:
  • 支持接口:
  • 串口速率:
  • 频谱范围:
  • IO口:
  • 天线形式:

XR808 is a highly integrated low-power Wi-Fi Microcontroller System-on-Chip (SoC) solution designed for Internet of Things (IoT), Machine-to-Machine (M2M), Smart Home, Cloud Connectivity and Smart Energy applications. 


The XR808 application subsystem is powered by an ARM Cortex-M4F CPU that operates up to 160MHz. It supports an integrated 256KB SRAM and 160KB ROM, a QSPI interface to SIP up to 16MB Flash. Integrated I-cache enables Execute In Place (XIP) from flash. It also includes many peripherals, including UART, TWI, SPI, PWM, and GPADC. 


The Wi-Fi subsystem contains the 802.11b/g/n baseband, MAC and radio with integrated PA, LNA, Switch and harmonic filter, which is design to meet both the low power, high integration and high performance network application. a novel digital RF transmitter is design using XRADIOTECH’s MPDTM technology to deliver higher output power and maintain higher efficiency, and also to keep the chip not sensitive to antenna mismatch but always have good EVM at different VSWR. 


The SoC is optimized for low-power operation by using several low-power state and fast wake-up times from hardware to software. Multiple power domains and clocks can be shut down individually. The application subsystem and Wi-Fi subsystem can be put into low-power states independently, supporting a variety of application use cases. Also an optional external DC-DC regulator can provide from 1.5V to 2.5V for whole VDD_ANA power domain with on chip DC-DC control signal, without sacrifice standby power consumption even using high quiescent current DCDC. 


The SoC is designed for networked low-power embedded applications. It has an integrated network processor with a large set of TCP/IP with IPv4/IPv6 based services. These services can be accessed via a serial UART/SPI link connected to an external host CPU.


机芯智能

机芯智能XR808_Datasheet_V1.0.pdf


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