Silicon Labs 8 bit 8051 EFM8 Microcontroller 50 MHz 16kB FLASH 32-Pin QFN EFM8BB31F16I-D-5QFN32

Silicon Labs EFM8BB31F16I-D-5QFN32 is an 8-bit microcontroller built on a pipelined 8051 core architecture, delivering high performance at a maximum clock frequency of 50 MHz. It integrates a comprehensive set of analog and digital peripherals including a 12-bit ADC, four 12-bit DACs with PWM and synchronization features, two low-current analog comparators with built-in reference DACs, and an internal temperature sensor, enabling versatile embedded system applications.

This microcontroller is housed in a compact 32-pin QFN package measuring 4 mm x 4 mm x 550 μm and supports surface mount technology. The device operates reliably over a wide voltage supply range from 2.2 V to 3.6 V and offers a temperature operating range from -40°C to 125°C, meeting automotive-grade AEC-Q100 standards for quality and durability.

With 16kB of FLASH memory and 2.25kB of RAM, it efficiently handles code and data storage requirements. The inclusion of up to 29 multifunction I/O pins and six timers expands its capability for complex control and communication tasks. This microcontroller suits general-purpose applications in industrial, automotive, and embedded systems where precision analog integration and robust digital control are required.

The device's RISC instruction set architecture enhances execution efficiency for time-critical processes. Its automotive certification further underscores its reliability for harsh environment deployments. The fully integrated peripheral set reduces external component needs, optimizing system size and power consumption.

8-bit 8051 core with 50 MHz operating frequency. 16kB FLASH program memory and 2.25kB RAM. Four 12-bit DACs with PWM and synchronization. One 12-bit ADC and two analog comparators. 29 programmable I/O pins and six timers.

Wide operating voltage: 2.2 V to 3.6 V. Operating temperature from -40°C to 125°C with AEC-Q100 compliance. Compact QFN 32-pin package: 4 mm x 4 mm x 550 μm.

This microcontroller is specifically designed for advanced embedded applications, including industrial automation, automotive control systems, and consumer electronics. Its efficient core combined with versatile peripherals makes it an ideal choice for developers looking to optimize performance and power consumption.

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