XR871 is a highly integrated low-power WLAN Microcontroller System-on-Chip (SOC) solution designed for Internet of Things (IoT), Wearable equipment, Machine-to-Machine (M2M), Home automation, Cloud Connectivity and Smart Energy applications. The XR871 application subsystem is powered by an ARM Cortex-M4F CPU that operates up to 192MHz. It supports an integrated 448KB SRAM and 64KB ROM, and a QSPI interface to external Flash. An integrated Flash Cache enables eXecute In Place (XIP) support for firmware from flash. It also includes many peripherals, including UART, TWI, SPI, I2S, DMIC, PWM, IrDA (T/R), CSI, SDIO and auxiliary ADC. The WLAN subsystem contains the 802.11b/g/n radio, baseband and MAC that designed to meet both the low power and high throughput network application. The SoC is designed for low-power operation and there is a separate power management unit for each subsystem. Multiple power domains and clocks can be individually shut down and the application and WLAN subsystems can be placed into low-power states, independently, to support a variety of application cases.
XR871 SDK download： https://github.com/XradioTech/XR871
AliOS Things for XR871：https://github.com/alibaba/AliOS-Things