SAC2045

SAC2045 is a high-performance, low-power microcontroller developed by Silicon Labs, part of their popular **Simplicity Studio** ecosystem. Introduced as part of the **Gecko** family, it is designed for applications requiring efficient processing, wireless connectivity, and energy conservation. The chip integrates a 32-bit ARM Cortex-M4F core running at up to 100 MHz, featuring floating-point support for enhanced computational capabilities.

Key features of the SAC2045 include its support for multiple wireless protocols, such as Bluetooth Low Energy (BLE), Zigbee, and Thread, making it versatile for IoT and smart device applications. It also incorporates a 2.4 GHz RF transceiver, enabling seamless wireless communication. The microcontroller is optimized for power efficiency, with sleep modes that reduce current consumption to as low as 0.5 µA, extending battery life in portable and battery-powered devices.

The SAC2045 is built on a 40 nm process and includes up to 256 KB of flash memory and 32 KB of SRAM, providing ample storage and workspace for firmware and data. Its peripheral set includes ADCs, DACs, timers, UARTs, SPI, and I²C interfaces, supporting a wide range of sensor and actuator integrations. The chip also features a hardware cryptography accelerator for secure communication and authentication, enhancing its suitability for security-sensitive applications.

Developers can leverage Silicon Labs’ **Simplicity SDK** and **Gecko SDK** for software development, which include drivers, middleware, and tools for rapid prototyping. The SAC2045 is commonly used in wearables, home automation, industrial IoT, and medical devices due to its balance of performance, connectivity, and power efficiency. Its compatibility with other Silicon Labs Gecko chips allows for scalable and modular system designs.