SiLEFM8UB20F32G-B-QFN32R
Overview
The EFM8UB20F32G-B-QFN32R is a Silicon Labs 8051-based 8-bit microcontroller from the Universal Bee family. It combines a 48 MHz CPU with 32 kB of flash and 2 kB of RAM in a compact QFN-32 package. It is aimed at embedded control tasks where a small footprint, low power, and built-in USB capability are useful.
Why Choose This Part
This part is a practical choice when you want a small 8-bit controller with enough flash for modest firmware and a fast 48 MHz core for its class. The QFN-32 package helps keep the footprint small, and the Universal Bee family is well suited to straightforward embedded control and USB-oriented designs. For engineers already familiar with Silicon Labs 8-bit parts, it can be an efficient upgrade path within the same ecosystem.
Applications
Getting Started
Look for Silicon Labs development hardware and reference designs for the EFM8 Universal Bee family before spinning your own board. The usual starting point is the Silicon Labs IDE and their 8-bit toolchain, along with the vendor's datasheets, example code, and device family reference manual. A debug interface and a known-good clock/power layout are important for first bring-up on a small QFN MCU.
Also Consider
STMicroelectronics
- A low-cost 8-bit MCU option for basic embedded control when a minimal feature set is sufficient.
