General features

? Integrated low power MCU, 1T1R 2.4GHz RF circuit, IEEE 802.11b/g/n MAC, baseband and power management system.

? Support IEEE 802.11 b/g/n and 20MHz bandwidth (IoT mode doesn't support 40MHz as default.)

? Hardware accelerated TCP/IP protocol

? Support WPA, WPA2, and hardware Crypto Engine for Advanced Fast Security, including AES128/192/256. SHA1, SHA256, MD5, etc.

? Integrated 160MHz 32bit MCU

? Integrated 256KB SRAM, and 80KB+ free space for user applications

? Integrated 2MB (16Mbits) Flash memory, and support data encryption of firmware in Flash

? Upgrade firmware via UART, I2C and SPI interface

? Support OTA firmware upgrade

? Support low cost 24MHz or 40MHz cyrstal

? Embedded LDO, only need 3.3V power supply

? 5x5 QFN 40pin package

Peripheral interface

? 10bits single channel SAR ADC

? 15 x Configurable GPIOs

? 10 x Configurable PWMs, support 10HKz or higher high frequency dimming

? 2 x I2C, support master/slave mode

? 2 x UART

? 2 x SPI, support master/slave mode

? 1 x SDIO 2.0

? 1 x USB 2.0

? 1 x JTAG