Silicon Labs ZigBee System On Chip 32 Bit ARM Cortex M3 Microcontroller 48-Pin QFN EM357-ZRT

Silicon Labs EM357-ZRT is a highly integrated ZigBee System On Chip (SoC) based on a 32 Bit ARM Cortex M3 microcontroller and designed for wireless communication in embedded systems. The device features an integrated 2.4 GHz IEEE 802.15.4-2003-compliant transceiver, optimizing communication performance with over 15 dB dynamic range margin and coexistence filters for operating alongside WiFi and Bluetooth signals.

The microcontroller core combines high performance with energy efficiency, enabling extended battery life and support for deep sleep modes consuming less than 2 µA while retaining RAM. Its 192 kB flash memory and 12 kB RAM provide ample storage for complex applications. The product supports multiple interfaces including TWI, UART, SPI, and USB in a space-efficient 48-pin QFN package measuring 7 mm by 7 mm with a height of 950 micrometers.

The device incorporates hardware MAC functions such as AES128 encryption acceleration, automatic CRC checking, and automatic ACK transmission to meet ZigBee standard timing requirements. These features enhance security and communication reliability in industrial and commercial wireless sensor networks.

The EM357-ZRT is ideal for various industrial, commercial, and home automation applications including HVAC control, sensor networks, manufacturing process monitoring, and IoT devices where low power, compact size, and secure wireless connectivity are paramount.

This SoC offers advanced power management features and integrates key analog and digital peripherals like on-chip voltage regulator, power-on-reset, sleep timer, ADC, and general purpose timers to simplify system design and reduce external component requirements.

Country of origin is Taiwan, Province Of China. The product is delivered new in original packaging. Integrated 2.4 GHz IEEE 802.15.4 transceiver ensures reliable ZigBee connectivity. 32-bit ARM Cortex-M3 core balances high performance with low power use.

192 kB flash and 12 kB RAM memory for application code and data. Multiple communication interfaces including TWI, UART, SPI, and USB supported. Wide supply voltage range from 2.1 V to 3.6 V enhances flexibility. Operating temperature range from -40°C to 85°C supports harsh environments.

Compact QFN 48-pin package with 7 mm square footprint. Hardware MAC functions accelerate encryption and packet processing. Advanced power management enables long battery life in embedded systems. Explore our range of Silicon Labs Microcontrollers and ZigBee SoC solutions on EnvMart for your industrial and commercial embedded wireless needs.