SiLEFM8BB31F64I-D-QFN32
Overview
The EFM8BB31F64I-D-QFN32 is a high-performance 8-bit microcontroller from Silicon Labs Busy Bee family, featuring a pipelined CIP-51 core running at up to 50 MHz. It integrates 64 kB of flash memory and 4.25 kB of RAM into a compact 4x4 mm QFN32 package, designed for general-purpose applications requiring high throughput and flexible peripheral routing.
Why Choose This Part
This MCU offers exceptional processing efficiency with 70% of its instructions executing in 1-2 clock cycles. The integrated peripheral crossbar allows engineers to map digital functions to any I/O pin, greatly simplifying PCB layout and reducing routing complexity.
Applications
Getting Started
Developers can utilize the Simplicity Studio IDE, which provides pre-configured software libraries and a hardware configuration tool for the EFM8 family. For hardware evaluation, the EFM8BB31 STK (Starter Kit) provides an integrated debugger and access to all MCU pins.



