ATBM6421

ATBM6421 is 2.4GHz, 1T1R, IEEE 802.11b/g/n Wi-Fi IoT chip.


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

? Integrated 160MHz 32bit MCU

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

? Upgrade firmware via UART and I2C

? Support OTA firmware upgrade

? Support 40MHz cyrstal

? Embedded LDO, only need 3.3V power supply

? 5x5 QFN 32 pin package

Peripheral interface

? Configurable GPIOs

? 1 x I2C

? 1 x UART

? 1 x SPI to connect SPI flash memory

? Smart socket, smart lighting

? Smart air condition control panel

? Smart home

? Smart appliances

? Industrial Wi-Fi devices


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