The AltoBeam ATBM6431 is a 2.4GHz Wi-Fi IoT chip designed for wireless communication in various Internet of Things (IoT) applications. It features a 1T1R (one transmit, one receive) configuration and supports the IEEE 802.11b/g/n Wi-Fi standards.
The chip integrates a low-power microcontroller unit (MCU), 2.4GHz RF circuit, IEEE 802.11b/g/n MAC, baseband, and power management system. It operates in the 2.4GHz frequency band and supports a maximum bandwidth of 20MHz.
The ATBM6431 provides hardware-accelerated TCP/IP protocol for efficient data transmission. It supports various security protocols including WPA, WPA2, and a hardware Crypto Engine for advanced fast security, enabling encryption and authentication of data.
With an integrated 160MHz 32-bit MCU, 256KB SRAM, and 2MB (16Mbits) flash memory, the chip offers ample space for user applications and firmware storage. It supports firmware upgrades via UART, I2C, and SPI interfaces, as well as over-the-air (OTA) firmware upgrades.
The ATBM6431 is designed to operate with a low-cost 24MHz or 40MHz crystal and features an embedded low-dropout regulator (LDO) for power supply, requiring only a 3.3V power source. It is packaged in a compact 5x5 QFN 40-pin package, facilitating easy integration into IoT devices.
Overall, the AltoBeam ATBM6431 is a feature-rich Wi-Fi IoT chip that provides efficient wireless connectivity, data encryption, and firmware flexibility for IoT applications in the 2.4GHz frequency band.