Introduction：

The MT7681 is a highly integrated Wi-Fi SoC(system on Chip) single chip, which supports IEEE802.11b/g/n single stream, providing GPIO and PWM for intelligent control, and UART, SPI, and I2C interfaces for device communication.   The MT7681 integrate power amplifier, low noise amplifier, and RF switch to reduce the module size and RF design capability required. And also integrate power manage unit for single 3.3V power source for cost effective design.   The MT7681 embedded 32-bit RISC MCU for 802.11b/g/n drivers, supplicant, TCP/IP protocol stack, and networking applications, can be operated in station mode and softAP mode. The MT7681 is an ideal solution for embedded device to enable networking service with minimized design effort. All the features are available in compact 40pin, 5x5mm  QFN package. 

Features：

1. Single stream  IEEE 802.11 b/g/n 
2. 32-bit RISC microprocessor as the host MCU 
3. Embedded  IEEE 802.11b/g/n drivers, supplicant, and TCP/IP stack
4. Highly integrated RF PA, LNA, and RF switch 
5. Integrate high efficiency switching regulator for  single 3.3V power source
6. Security support for WFA WPA/WPA2 personal, WPS2.0, WAPI
7. Operation in station mode or softAP mode
8. Rich interfaces, UART, SPI, I2C, PWM and GPIOs 
9. All functions integrates in compact 5mm x 5mm QFN40L package
10. UART interface 

Documentation :