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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